Grease, smoke particulate matter, and other types of debris would accumulate in the air ducts without these hood filters and could pose a fire risk. Filters for kitchen hoods are crucial in both residential and commercial kitchens.
In order to stop smoke, grease, and debris from entering the ventilation system, hood filters are installed over stoves and are intended to collect and remove these substances. Grease, smoke particle matter, and other sorts of waste would accumulate in the air ducts without these hood filters and could provide a fire risk. Filters for kitchen hoods are crucial for both residential and commercial kitchens.
Residential and commercial kitchens must have hood filters in order to comply with the National Fire Protection Association and International Fire Code. These groups understand how crucial hood filters are for enhancing kitchen air quality, safeguarding the ventilation system, and assisting in the prevention of kitchen fires.
Learn more about Filters using this link:
https://brainly.com/question/14376643
#SPJ4
which of the following is true about membrane proteins embedded within the lipid bilayer? group of answer choices lateral diffusion of the membrane protein occurs independent of bilayer composition and temperature. they undergo transverse diffusion readily at body temperature unless their movement is restricted by other cellular components. an increased temperature of the bilayer decreases the rate of transverse diffusion of the membrane protein. as the temperature decreases, lateral diffusion of the membrane protein is restricted in bilayers with lipids which have longer chain fatty acids and fewer double bonds.
True statements about membrane proteins is D. Lateral diffusion of membrane proteins is restricted in a bilayer with lipids that have longer chain fatty acids and fewer double bonds.
The cell membrane in living organisms is composed of lipid molecules in two layers. The cell membrane is a passive insulator and filter that has the ability to select materials that trap while maintaining differences in ion levels outside and inside the cell.
Membrane proteins are proteins embedded in the phospholipid bilayer. Membrane proteins play a role in cell identification, which are body cells and which are cells that are harmful to the body. Membrane proteins diffuse laterally in a lipid bilayer that has longer fatty acid chains and fewer double bonds.
Learn more about cell membrane at:
https://brainly.com/question/13524386
#SPJ4
many animals influence and contribute to ecosystem services. as pollinators, how do bees ultimately contribute to direct ecosystem services?
Bees serve as pollinators, moving pollen from flower to flower to nourish both cultivated and wild plants. The production of seeds by fertilised plants ensures the survival of the surrounding habitat.
A species that naturally inhabits and thrives in a certain ecosystem is said to be a native species. They include any species that evolved in the local ecosystem.
They typically exist in an ecosystem as a result of natural processes like natural selection or evolution. They are known to exist naturally within a specific habitat, as opposed to introduced species.
To know more about the surrounding habitat visit here :
https://brainly.com/question/22238851
#SPJ4
Demethylation and acetylation lead to an open chromatin structure and are associated with ________regions of genomes.
Answer:
euchromatic
Explanation:
The blood osmotic pressure of marine teleosts is about _____ mOsm _____ than the environmental osmotic pressure.
300; lower
600; higher
900; lower
300; higher
600; lower
The blood osmotic pressure of marine teleosts is about 600 mOsm higher than the environmental osmotic pressure.
Osmotic pressure is the minimal pressure required to prevent the inward flow of a solution's pure solvent across a semipermeable membrane. It is also described as the measure of a solution's capacity to take a pure solvent through osmosis.
All freshwater organisms maintain hyperosmotic blood osmotic pressures in fresh water. Blood osmotic pressure in freshwater teleosts is 300 mOsm higher than freshwater osmotic pressure.
Teleost is most hyposmotic to seawater. Because marine teleosts are hyposmotic to saltwater, they experience osmotic loss of water and NaCl diffusional gain through the gill.
Learn more about osmotic pressure here: https://brainly.com/question/10046758
#SPJ4
most significant greenhouse gas currently released by human activities, and major general activity resulting in greatest releases. other key ghgs, and one source for each
Climate change has been fueled by increasing emissions of greenhouse gases, such as carbon dioxide, methane, nitrous oxide, and others, ever since the Industrial Revolution.
The real "hit parade" of greenhouse gases that trap heat in Earth's atmosphere and contribute to global warming includes water vapor and the four other "most essential" greenhouse gases, according to professional scientists.
Their different Global Warming Potentials are crucial differences in them (GWPs). Some are significantly more "efficient" in keeping heat energy in the atmosphere and preventing it from escaping—and this is unquestionably not a compliment in this context. While some easily survive in the atmosphere for decades or longer, others are short-lived. While some GHGs are produced in enormous quantities, they may not be as "efficient" or "voracious" as those produced in much smaller amounts. On the other hand, some GHGs are produced in minute quantities but are incredibly effective at blanketing the atmosphere of the planet and preventing heat from escaping beyond it.
The complete question is:
The most significant greenhouse gas currently released by human activities, and major general activity results in the greatest releases. write down other key greenhouse gases, and one source for each.
To learn more about greenhouse gases please click on the given link:
https://brainly.com/question/9700601
#SPJ4
2. which submodalities are normally included in somatosensation (know the name and be able to describe), which one did your instructor add under that category? which ones are interoceptive and which ones exteroceptive?
The submodalities included in somatosensation are exteroceptive and Interoceptive - feeling/sensing the body.
Somatosensation is the group of neurological approaches that guide touch, proprioception, and interoception. These approaches contain pressure, shaking, light touch, delight, itch, hotness, pain, proprioception, and the feeling of an animate being. The somatosensation function is the capability to define the bodily feeling. The sensation takes any of form, containing touch, pressure, shaking, hotness, itch, amusement, and pain.
The exteroceptive system senses provocation used to the skin of the frame; containing machinelike provocation for the perception of touch, the warm provocation for the perception of hotness, and nociceptive provocation for the feeling of pain.
To know more about somatosensation refer to: https://brainly.com/question/26683177
#SPJ4
The __________ is the age at which a fetus can survive in the event that it is born early. a. prenatal age b. age of viability c. age of sustainability d. gestational age please select the best answer from the choices provided a b c d
The foetus can survive early birth if the event occurred at the till the age of viability.
The age of viability is the period at which the baby can survive during premature birth, It is the age from 22 weeks to 26 weeks. By this time the foetus reaches the sixth month of development. At this stage the lungs of the baby are formed and have the ability to breathe air, thus the name viability.
Viability also depends on other factors like weight and gestational age. The baby born during this period will require major medical intervention for saving life.
To know more about Age of Viability:
https://brainly.com/question/2544348
#SPJ4
The ability to synthesize RNA in the laboratory is critical to many techniques. In vitro transcription requires a purified linear DNA template containing a promoter, ribonucleotide triphosphates, a buffer system that includes DTT and magnesium ions, and an appropriate phage RNA polymerase. Many common plasmid cloning vectors include phage polymerase promoters. They often contain two distinct promoters, one on each side of the multiple cloning site, allowing transcription of either strand of an inserted sequence. Plasmid vectors used as transcription templates are linearized by restriction enzyme digestion, during which the reaction does not include SAP. Following linearization, explain why the DNA does not reform the circular plasmid.
If SAP is not used and the DNA after linearization does not reform the plasmid, there are many reasons, such as:
Using another phosphatase enzyme that removes the phosphate tail, preventative ligation.Insufficient concentration of ligase enzymes in the mixture.Some of the factors required for ligase activity, such as magnesium ions, are insufficient.Ligation will occur at a certain temperature, if the temperature is not optimal then it will not occur.In vitro transcription requires a pure linear DNA template containing a promoter, ribonucleotide triphosphate, a buffer system that includes DTT and magnesium ions, and the appropriate phage RNA polymerase. The exact conditions used in a transcription reaction depend on the amount of RNA required for a particular application.
DNA can be found in two forms, namely linear and circular forms. Linear DNA is DNA in the form of a straight chain with both ends free. Linear DNA can be found in eukaryotic nuclei. Circular DNA is circular DNA, mostly found in prokaryotes. Circular DNA is found in the cytoplasm of prokaryotic cells (bacterial plasmids), in mitochondria, or chloroplasts
Learn more about linear DNA at https://brainly.com/question/28939717
#SPJ4
Explain how biology can be studied from a microscopic approach to global approach brainly.
In my opinion, we can study biology from a microscopic approach to a global approach during pandemics, just like what is happening around us.
How did this occur ?
In biology, the microscopic world and the macroscopic world are related, and they should be given equal attention. Here are some of the things that we are currently doing to address the problem with the pandemic, with the help of our microscopic and global approach:
Inside the laboratories around the world, scientists are using a powerful electronic microscope to study the structure of the virus that causes COVID-19.Whenever they learn something new, the information would be forwarded to governments around the globe. This will prompt them to decide what actions to take.Every information given by the scientists are relayed to the public.The cycle continues, until a breakthrough is finally discovered on how to eliminate the virus.To know more about Pandemics from the given link
https://brainly.com/question/24558033
#SPJ4
approximately when do analyses of modern human genetic variation indicate that homo sapiens may have evolved? group of answer choices 1 million ybp 750,000 ybp 200,000 ybp 50,000 ybp
Analyses of genetic variation in contemporary people suggest that Homo sapiens may have evolved around Ybp 200,000 years ago.
A homo sapiens is what?Since they can stand upright on two feet and have exceptional cognitive capacities thanks to their enormous and sophisticated brains, humans are the most common and widely distributed species of primate. This has made it feasible to develop cutting-edge tools, societies, and languages. Between 1730 and 1750, Carl Linnaeus developed the present zoological taxonomy. He classified the human species into various subspecies that correspond to the main races and named it Homo sapiens in 1758. The genus Homo only had one species that belonged to it. Human intelligence is a mental quality that includes the ability to make good decisions.
To know more about homo sapiens, visit:
https://brainly.com/question/10169640
#SPJ4
the fur color of siamese cats is partly controlled by temperature. where their skin is relatively cool, like their ears, their fur grows dark, and where their skin is warmer, like their torso, their fur grows white. in this example, temperature is affecting what aspect of the siamese cat?
Temperature plays a role in determining the color of Siamese cats' fur. In this illustration, the Siamese cat's phenotype is being impacted by temperature.
Describe the phenotype.A user's phenotype is the culmination of all of their traits or distinguishing qualities. The phenotype of an organism is only impacted by its genotype, which is directly acquired from its parents. Phenotype can be impacted by environmental factors as well. Three phenotype classes—AA, Aa, and aa—can be derived from a single locus and additive effects.
How can you recognize a phenotype?The genotypes and expressed genes of a person, as well as visual qualities like eye color, body type, height, and traits of the hair, form the phenotype. Environmental factors have an impact in addition to genetics.
To know more about phenotype visit:
https://brainly.com/question/20730322
#SPJ4
If a forensic scientist is trying to determine if fingerprints are on any surfaces, what macromolecule would they be testing for?.
They would be testing for Lipid macromolecules.
Lipid macromolecules are a class of macromolecules that are nonpolar and hydrophobic in nature.
I hope this helps!!!
Which main types of discrimination did Truth face at the time of her ain't IA Woman speech?.
The speech by Truth was one she delivered during the Ohio Women's Convention. This speech resonates on both a racial and gender level with regards to political sensibility, social injustice, and the law.
It is a speech she delivered in 1851 before the Women's Convention in Akron, Ohio. The attendees of the female gender were urged to seek the right to vote. Convincing the audience that providing women the right to vote is a wise idea is the speech's main objective.
learn more about gender here:
https://brainly.com/question/1340495
#SPJ4
Why i an accurate meaurement and recording of Mohammad vital ign critical in thi cae
Mohammad's vital signs must be measured and recorded accurately due to the precision of these measurements.
What is the average heart rate?Adults' normal resting heart rates fall between 60 and 100 beats per minute. Generally speaking, a lower resting heart rate denotes improved cardiovascular fitness and more effective heart function. For instance, a fit athlete might have a resting heart rate that is closer to 40 beats per minute.
What five functions are essential?The assessment's context may also change how vital signs are defined. Particularly emergency medical technicians (EMTs) are instructed to monitor the "5 vital signs" outside of a hospital setting, which include respiration, pulse, skin, pupils, and blood pressure.
To know more about ign visit:-
https://brainly.com/question/29477715
#SPJ4
If a specimen is found to have large quantities of bilirubin, then it should be stored away from ________, which causes the breakdown of bilirubin, until further testing.
If a specimen is found to have large quantities of bilirubin, then it should be stored away from light, which causes the breakdown of bilirubin, until further testing.
Bilirubin is a waste product produced when red blood cells are broken down. Bilirubin is the final product of heme metabolism. The liver is the site of bilirubin metabolism. Hemoglobin is broken down into heme, converted to biliverdin, and finally to unconjugated bilirubin (not water soluble). bilirubin broken down by light
Light therapy involves shining a Bili Light fluorescent light directly onto your bare skin. Certain wavelengths of light can break down bilirubin into a form that the body can excrete in urine and feces.The light appears blue. Newborns are held in the light with no clothes or only diapers
For more information on the breakdown of bilirubin, please see:
Brainly.com/question/14334156
#SPJ4
select the three statements that are true. view available hint(s)for part c some monkey flowers (mimulus guttatus) living near the sites of copper mines can grow in soil containing high concentrations of copper, which is toxic to most plants. copper tolerance is a heritable trait. the map below shows the area near an old copper mine, which contaminated the nearby soil with copper. a stream flows past the mine toward the lake at the bottom right of the map. a map of the area near an old copper mine. copper-contaminated soil is located along the shore of a river and a lake. eight sites where nearly 100 percent of the monkey-flower plants are copper tolerant at 0.5 micrograms per cubic centimeter are located along the river. there are 4 sites located in uncontaminated areas where less than 20 percent of monkey-flower plants are copper tolerant. use the map to determine which of the statements below are true.select the three statements that are true. if you were to test monkey flowers growing on the shore of the lake, you would expect nearly 100% of them to be copper tolerant. the population that existed before mining must have included both copper-tolerant and copper-intolerant plants. natural selection favors copper tolerance in all soils near the old mine, not only in the contaminated soils. copper-tolerant plants are found only in contaminated soils. nearly 100% of monkey flowers growing in copper-contaminated soil are copper tolerant. copper contamination in the soil created copper-tolerant plants.
The three statements that are true regarding the copper tolerance of monkey flowers are statement 1, statement 2, and statement 6.
The height and width of a monkey flower plant range from two to three feet in both directions. Stems are unbranched and arch beautifully and are covered with pairs of leaves that are sticky.
The following statements about the copper tolerance of monkey flowers are true:
Statement 1
The population that existed before mining must have included both copper-tolerant and copper-intolerant plants.
Statement 2
Nearly 100% of monkey flowers growing in copper-contaminated soil are copper tolerant.
Statement 6
If you were to test monkey flowers growing on the shore of the lake, you would expect nearly 100% of them to be copper tolerant.
You can also learn about copper tolerance from the following question:
https://brainly.com/question/15869839
#SPJ4
Can animals handle heat better than humans?.
A simple no is a response. Cats, dogs, and rabbits don't deal with heat as humans do.
Dogs typically have body temperatures of 103 degrees, so if they exceed that, they may get what is known as a heat stroke.
A dog or cat's typical body temperature ranges from 100 - 103 degrees. They experience is slightly more heat than humans do. Although the temperature is currently 98.6 degrees, it only needs a few degrees that are below the usual temperature for you to experience the consequences of hypothermia.
Dogs cannot sweat via their skin as people can, therefore they must control their body temperature & stay cool by panting and expelling heat through the paw pads and nose.
Learn more about animal body temperature at
https://brainly.com/question/7135595?referrer=searchResults
#SPJ4
true or false: the same primers were used to generate each of the six sequencing reads in this dataset.
True, the same primers were used to generate each of the six sequencing reads in this dataset.
What are sequencing reads?
The number of base pairs (bp) sequenced from a DNA fragment is referred to as the next-generation sequencing (NGS) read length. Following sequencing, the reads are assembled and aligned to a reference genome, which allows for the reconstruction of the complete DNA sequence. More chemical cycles result in longer reads, which are directly correlated with the sequencing reagents employed on an NGS equipment.
Your sample type, application, and coverage needs will determine the ideal sequencing read length. Long reads are advantageous for de novo assembly and more confidently resolving repetitive regions of the genome because they enable higher sequence overlap.
To know more about sequencing reads, click here
https://brainly.com/question/26225212
#SPJ4
TRUE/FALSE the reason that the human species exhibits a very low level of genetic variation is due to the fact that homo sapiens is a relatively recent species.
True, the reason that the human species exhibits a very low level of genetic variation is due to the fact that homo sapiens is a relatively recent species.
Do humans exhibit little genetic diversity?One in 1,000 DNA base pairs (0.1%) is the average amount of genetic variation between any two people, which is perhaps the most frequently mentioned statistic on human genetic variety. The genetic diversity of humans is significantly smaller than that of many other species, including the chimpanzee, our closest living relative.
Is this the cause of variety in all people?Germ cells, such as sperm and eggs, as well as somatic (all other) cells, are prone to variation. Only variation that develops in germ cells can be passed from one person to the next and ultimately have an impact on population dynamics and evolution. Major sources of variation include recombination and mutation.
Learn more about sperm here:
https://brainly.com/question/9735466
#SPJ4
the adaptive radiation of the australopithecines after their split from the lineage that led to early homo seems to have focused on group of answer choices bipedalism. mastication. brain size increase. body size increase.
The answer is Bipedalism because the ability to utilize hands for early Homo species was an evident benefit of bipedalism. Only primates were able to develop this unique advantage with the emergence of bipedalism.
There are several ideas regarding when our ancestors began to walk upright, but one prevalent theory is that early hominids likely began to adapt to a cooling climate around 7 million years ago.
Africa's vast rainforest regions were being replaced by savannah and wooded parts, necessitating the development of the tree-climbing apes' land-walking skills.
Roots, bushes, and occasionally animal corpses were the rewards our ancestors received for venturing out into the savannah, making it more probable for individuals who walked on two legs to survive.
Not as huge a jump from the trees to the ground as some would have thought. While climbing trees and reaching for fruit, some of the early hominids' physical structures may have already been pre-adapted to bipedalism. Bipedalism was a characteristic that all future hominid species will possess due to the numerous benefits it gave.
Hominids were able to make and use tools more effectively, reach for fruit in trees, and use their hands for social interaction and display when they became bipedal. They could see farther over the savannah grass, but this could have also been a drawback because predators could have more easily seen them. The deadly drawback of sluggish speed was overcome by this advantage.
To learn more about bipedalism please click on the given link: https://brainly.com/question/28561745
#SPJ4
match each disturbance of thermoregulation with its accurate description.
Fever
Heat Cramps
Heat Stroke
Hypothermia
Heat Exhaustion
Painful muscle spasms that result from excessive electrolyte loss in the sweat
Hypotension, dizziness, vomiting, and sometimes fainting from severe water and electrolyte loss
Severe increase in body temperature due to a lack of sweating
Heat production inside the body cannot keep pace with heat loss from exposure to environmental cold
Normal increase in body temperature that may sometimes be dangerous or fatal
Each disturbance of thermoregulation can be match with its accurate description as:
Normal increase in body temperature that may sometimes be dangerous or fatal (fever)Severe increase in body temperature due to a lack of sweating(Heat stroke)Heat production inside the body cannot keep pace with heat loss from exposure to environmental cold (Hypothermia)Painful muscle spasms that result from excessive electrolyte loss in the sweat Hypotension, dizziness, vomiting, and sometimes fainting from severe water and electrolyte loss (Heat Cramps)What is Heat cramps and Hypothermia?
Heat cramps can be described as the painful, involuntary muscle spasms which can be experienced in a time of heavy exercise in hot environments. however this can be intense and more prolonged ,
It should be noted that Hypothermia serves as the medical emergency which can take place when your body loses heat faster than it can produce heat, resulting ina low body temperature.
Learn more about Heat at:
https://brainly.com/question/19149743
#SPJ1
which of the following organisms can perform both photosynthesis and cellular respiration? answer unselected pine tree unselected fish unselected mushroom unselected catepillar
Pine is the organism which can perform both photosynthesis and cellular respiration.
Life on Earth is able to accumulate energy for use in other reactions thanks to the interactions between photosynthesis and cellular respiration.
The bulk of life on Earth depends on the sugar glucose, aside from the creatures that depend on sulfur close to hydrothermal vents. Photosynthesis is the process through which glucose is produced.
During cellular respiration, glucose is broken down and the resulting energy is stored in the ATP molecule. In addition to using photosynthesis to manufacture their own energy, plants also produce ATP through cellular respiration.
Animals must rely on plant sugars to provide their mitochondria with the raw materials needed to make ATP.
To know more about cellular respiration :
https://brainly.com/question/16192136.
#SPJ4.
Having an abnormally small number of platelets in the circulating blood is known as.
You can develop thrombocytopenia if your blood platelet count is low. Blood cells without colour called platelets (thrombocytes) aid in blood clotting.
Why are our blood platelet counts reduced in this situation?
You can develop thrombocytopenia if your blood platelet count is low. Blood cells without colour called platelets (thrombocytes) aid in blood clotting. In blood artery damage, platelets gather and form plugs to stop bleeding.
An immune system issue or a bone marrow illness like leukaemia can both lead to thrombocytopenia. Alternatively, it can be a negative drug interaction. Both children and adults are impacted by it.
To know more about thrombocytopenia, click here
https://brainly.com/question/29244214
#SPJ4
in certain plants, tall is dominant to short. if a heterozygous plant is crossed with a homozygous tall plant, what is the probability that the offspring will be short? group of answer choices
There is " 0" ( zero) probability that the offspring will be short.
What is heterozygous ?
It contains two different copies of alleles coding for particular traitIt contains different alleles for a trait. Both dominant and recessiveSelf-fertilization results in different combination of traits over next generationsTwo types of gametes are producedThe heterozygous alleles can show complete dominance, codominance or incomplete dominanceWhat is homozygous?
It has two same copies of same allele coding for a particular trait.contains only one type of allele, either dominant or recessiveSelf-fertilization results in repetition of the same traits over generationsOnly one type of gamete is producedIt can be homozygous dominant or homozygous recessiveAlleles for tall character is T and t
Heterozygous tall plant: Tt
Homozygous tall plant : TT
homozygous short plant : tt
cross is shown below
learn more about heterozygous and homozygous at
https://brainly.com/question/3676361
#SPJ4
function of the integumentary system includes all but the following: the function of the integumentary system includes all but the following: innervation of skeletal muscle sensation protection excretion of products
The function of the integumentary system includes all but not innervation of skeletal muscle.
The human body is a complicated machine that has numerous moving corridors. The colorful functions of the body are divided into eleven body systems called the integumentary, respiratory, digestive, lymphatic, cardiovascular, reproductive, urinary, nervous, endocrine, skeletal, and muscular. These systems represent a group of tissues and organs that perform specific functions in the body but some tissues and organs support further than one system.
The integumentary system functions as the first position of hedge protection for the body. The other functions of this system include regulation of body temperature, excretion through sweating, Vitamin D conflation (immersion), the discovery of stimulants (sensation), and elimination of poisons (stashing/ secretion).
Thus, option A is the correct answer.
To learn more about the skeletal, refer:-
https://brainly.com/question/14168823
#SPJ4
An example of a gas cooling and
condensation taking place is when
A. melted candle wax hardens.
B. your shower water turns into steam.
C. ice cubes turn into water.
D. water vapor in the air turns into water droplets on the
outside of a cold glass.
Answer: I'm not sure but the closest to my answer is B-)
Here's an example of why i picked B):
The mirror in the bathroom during a shower becomes foggy because warmer water vapor in the air hits the cooler surface of the mirror.
Answer: The answer is D. water vapor in the air turns into water droplets
Explanation:
What does the Duke do so that Jim does not need to be tied up in the wigwam all day?.
The Duke does this so that Jim does not need to be tied up in the wigwam all day and paints his face and other parts of his body blue so he will look like a sick Arab rather than a runaway slave.
The duke prints a handbill figuring out Jim is a runaway slave and then suggests the handbill to make others trust they have captured the runaway. This ruse lets the raft travel in the course of the day.
After they return to the raft, Huck and Jim find that the duke has published a handbill that describes Jim as a runaway slave from New Orleans. The handbill, the duke argues, will allow them to run the raft during the day without intrusion. the subsequent morning, Jim says he can abide by one or two kings but no more than that.
Huck and Jim are involved in the clandestine behavior of the con men, and whilst Huck in the end sees a risk to escape, he discovers that the duke and the king have made a fake handbill and turned in Jim for a $40 praise.
Learn more about wigwam here:
https://brainly.com/question/25939248
#SPJ4
explain the importance of prokaryotes to early earth and the rise of eukaryotic life (think of the atmosphere changes and the endosymbiotic theory).
Prokaryotes were believed to be the first life form of earth .
Difference between prokaryotes and eukaryotes ?
The basic and major difference between both is that eukaryotic cells have a membrane bound nucleus while prokaryotes do not .
Early earth's atmosphere was anoxic that means no o2 was available . so prokaryotes used to obtain their energy from chemicals , with the evolution of photosynthesis many years back , some prokaryotes such as cyanobacteria discovered how to extract energy from the sun by photosynthesis. Which resulted in the accumulation of o2 in the water bodies which oxidize iron in the water bodies to form iron oxide deposits . Afterwards , all the iron in the water bodies was oxidized , free o2 started to accumulate in the atmosphere.
The origin of eukaryotic cells are well defined by the endosymbiotic theory . This theory says that the large cells engulfed small cells .But they were not digested by large ones . Instead , they lived within the large cells and evolved into organelles .
Hence , that's why prokaryotes were important to early life .
To learn more about the prokaryotes and eukaryotes from the given link https://brainly.com/question/20673438
#SPJ4
the allele frequencies for a population displaying hardy-weinberg equilibrium were found to be 0.4 dominant and 0.6 recessive. what percentage of the population is homozygous dominant?
36% of people have homozygous dominant genetic makeup.
What distinguishes homozygous from heterozygous dominance?An experiment called a test cross can be used to determine whether an organism displaying a dominant trait is homozygous or heterozygous for a particular allele. The test organism is crossed with a homozygous carrier of the recessive trait, and the offspring of the test cross are evaluated.
An allele frequency is calculated by dividing the total number of copies of all the alleles at that specific genetic locus in the population by the number of times the allele of interest is observed in a population. The decimal, percentage, or fractional forms of allele frequencies are all acceptable.
To know more about homozygous dominant visit:
https://brainly.com/question/28209800
#SPJ4
Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. The best way to detect the lack of photosystem II in these organisms would beAto determine if they have thylakoids in the chloroplasts.Bto test for liberation of O2 in the light.Cto test for CO2 fixation in the dark.Dto do experiments to generate an action spectrum
The best way to detect the lack of photosystem II in the organisms in the question above would be to determine if they have thylakoids in the chloroplasts. Therefore, the correct answer is option A.
The photosystem is the unit responsible for the photosynthesis process in organisms. It's consisted of proteins and pigments that transfer electrons to reaction centers utilizing light to energize the electrons.. Photosystems are found in the thylakoid membranes of organisms that do photosynthesis, such as plants, algae, and cyanobacteria. The thylakoid membranes are located inside the chloroplasts (for plants and algae) or cytoplasmic membranes (for cyanobacteria).
Learn more about photosystem at https://brainly.com/question/7964870
#SPJ4
