The function of hemoglobin is to carry ________ from the lungs throughout the body.
Answer: Oxegyn or blood
Explanation: It is either one of these choices.
the disease characterized by fatty infiltration of the liver and replacement of functioning liver cells with fibrous connective tissue is known as
Cirrhosis is a condition marked by fatty infiltration of the liver and replacement of healthy liver cells.
What does biological cirrhosis of the liver mean?Chronic liver disease known as cirrhosis causes healthy liver cells to break down and be replaced by scar tissue. The liver's ability to digest nutrients, regulate hormones, and detoxify medicines and toxins, including alcohol, is hindered by this scar tissue.
What is a liver degenerative disease?The liver disease cirrhosis progresses over time. If the trigger is removed, such as quitting drinking alcohol, or if the virus is treated, the damage to your liver may occasionally improve or reverse.
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Which process is a characteristic of all living things and is responsible for differences within a population?
Reproduction is the biological process characteristic of all living things and it is responsible for differences within a population (Option c).
What is reproduction?Reproduction is a biological process that an organism has in order to perpetuate its genes over generations, which may include different phenomena in order to increase the variation that acts as the primary source for natural selection.
Therefore, with this data, we can see that reproduction is the process that includes differences in order to enhance the adaptive abilities in the species by the mechanism of natural selection in nature.
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two different bacterial species with doubling times of 2 h and 4 h are growing in a batch nutrient-rich medium with their maximum growth rate. the initial concentrations are the same. a. what would be the ratio of x1/x2 after 10 h of batch growth? b. how long should the batch growth of the mixed cultures last in order to obtain x1/x2
The ratio of x1/x2 after 10 h of batch growth would be 2:1. The batch growth of the mixed cultures should last for 20 h in order to obtain x1/x2.
We calculate this using,
a) Rate
N= N0ekt
For each bacteria we have to find out K so first bacteria with doubling time 2 hour
Assume there were 100 bacterias then after 2 hours there will be 200 bacterias
so N = 200 , N0=100 and t=2 hours
200 = 100*ek*2
200/100 = e^2K
e^2K = 2
Taking ln on both sides
2K = ln 2
K = ln2/2
=0.34657
The equation for bacteria X1
N0= Ne0.346t
For bacteria X2 K= ln2/4 ( because only difference here is the doubling time) =0.17328
So the equation for X2
N0= Ne0.173t
a) X1/X2 after 10 hours so t = 10
Ne0.346t / Ne
0.173t=e0.346t / e0.173t
= e0.346*10 / e0.173*10
= 31.817 / 5.64
=5.6413
b) X1 / X2= 10
e0.346t / e0.173t =10
Taking ln on both sides
ln ( e0.346t / e0.173t )= ln 10
ln e0.346t- ln e0.173t = ln 10
0.346t- 0.173t = 2.302
t ( 0.346- 0.173 ) = 2.302
t = 2.302/ ( 0.346 - 0.173)
=13.306
So the time is 13.306 hours
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i need help with biology
Answer: A, carboxyl group
Explanation:
which of the following is unique to cardiac muscle cells? only cardiac muscle contains a sarcoplasmic reticulum. only cardiac muscle has gap junctions. only cardiac muscle is capable of autorhythmicity only cardiac muscle has a high concentration of mitochondria.
Only cardiac muscle cells shows autorhythmicity The unique feature of cardiac muscle cells is autorhythmicity .
Cardiac muscle cells (cardiomyocytes) are striated, branched, have a large number of mitochondria, and are controlled involuntarily.
Specialized cardiac muscle cells known as autorhythmic cells are where action potentials (electrical impulses) in the heart are thought to begin. These cells have the capacity to self-excite and produce an action potential without external nerve cell activation. The autorhythmic cells offer a conduction system to coordinate the contraction of muscle cells throughout the heart and act as a pacemaker to start the cardiac cycle (the heart's pumping cycle).
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In guinea pig, rough coat i dominant (R) to mooth coat (r) and black coat (B) i dominant to white coat (b). A rough black guinea pig bred with a rough white one produce 29 rough black offpring, 31 rough white offpring, 11 mooth black and 9 mooth white. Give the genotype of the parent, punette quare
RrBb (rough, black) and Rrbb (rough, white) are the genotypes of the parents guinea pigs.
The parent genotype cannot have RR alleles for their coat because the smooth coat phenotype is present in the offspring. Similar to this, the rough, black parent is unable to have BB alleles in its genotype because doing so will prevent its offspring from having a white coat color. This can be understood with the help of the punnet square given in the answer. Therefore, the probability for each phenotype would be as follows:
rough black- 3/8 rough white- 3/8 smooth black- 1/8 smooth white- 1/8A dihybrid cross is made up of two people who share two traits that are controlled by two different genes. The idea of a dihybrid cross was developed as a result of Gregor Mendel's observation of pea plants that were either round or wrinkled, yellow or green.
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ap enivornmental science frq (c) identify the region of the world that is experiencing the largest growth rate. (d) explain three factors that have contributed to this growth.
Accumulation of capital stock. will increase hard work inputs, along with people or hours worked. Technological development.
Three out of five of the most populous international locations in the world are located in Asia. in the end, the highest populace growth price is likewise located there, the u. s . with the best population growth charge in Lebanon.
The area of the world with the best quotes of natural growth is Sub-Saharan Africa. B. three elements that make a contribution to high populace growth rates are the lack of training, lowering demise prices, and a lack of getting the right of entry to healthcare.
Elements of production are resources that are the building blocks of the financial system; they're what people use to supply goods and offerings. Economists divide the elements of production into four categories: land, labor, capital, and entrepreneurship.
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If I feel sick but haven’t thrown up and have ate and still feel sick am I actually sick?
Answer:
If you feel sick, I recommend just lying down on your bed for a few hours, it has always helped me. My mom always had me lie down on my bed like all day it seemed, and just relax and watch television, and even though I didn't want to go to bed, it really helped. I thank my mom for helping me. So, I highly recommend doing that if you feel sick. And, you should see if you have a thermometer to use to see how hot you are. If you are exceeding 99.8 degrees, that means you are most likely ill, and should lie down. But, if below that, you should be fine. But, if you still feel ill, just do what I suggested. It really helps.
Explanation:
May I have Brainliest please? My next rank will be the highest one: A GENIUS! Please help me on this journey to become top of the ranks! I would really appreciate it, and it would make my day! Thank you so much, and have a wonderful rest of your day!
what would happen if the trna synthetase for proline added lysine instead of proline to the proline trnas in a particular cell? explain your answer in no more than 3 sentences, including the consequences for the proteins made by the cell and the cell itself.
If the tRNA synthetase for proline adds lysine instead of proline to the proline tRNAs in a particular cell, it will lead to mistranslation.
Mistranslation occurs when tRNA carries the wrong amino acid, leading to the addition of wrong amino acid in the nascent protein produced.
The mistranslated protein produced may get misfolded, leading to dire consequences inside the cell that can result in disease/disorder. It is found that the addition of lysine instead of proline will result in amyloid formation (Prions) and, thus lead to neurodegenerative diseases.
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the process by which a nerve cell recaptures some of the neurotransmitters it has released is known as .
Important aspect of business is the process by which some small molecule transmitters are retrieved by the presynaptic terminal.
What are neurotransmitters and what do they do?Your body can't function without chemical messengers called neurotransmitters. These are charged with transmitting chemical "messages" through one neurons (nerve cell) to a succeeding target tissue. The following cell line may be a glandular, muscle, or another nerve cell.
What is controlled by neurotransmitters?Neurotransmitters, which are produced by nerve cells, also known as neurons, are crucial components of this system. Impulses are fired by nerve cells. By releasing neurotransmitters, also referred to as the body's chemical messengers, they achieve this. These substances send messages to other cells.
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the human bacterial pathogen neisseria gonorrhoeae contains pilin, proteins that invoke an immune response. the amount of the pathogen eventually declines when the host antibodies recognize the pilin. however, the pathogen has replicated and have new pilin, so the old immune response is no longer effecive. this pathogen is successful in the host because:
Pathogen Neisseria gonorrhoeae is capable of evading host immune defenses through a variety of mechanisms, including ongoing alterations in the antigenic structure of its surface, resistance to complement-mediated bacteriolysis, and perhaps the synthesis of IgA1 protease.
The effects of gonorrhea on the body?The body may use inflammatory cells like neutrophils to fight off NG invasion in the case of a gonococcal infection, or it may start its adaptive immune response by presenting an antigen to get rid of the pathogen. The infection is challenging to eradicate due to NG's numerous immune escape strategies.
Can you become resistant to gonorrhea?It is generally known that gonorrhea can be contracted repeatedly without any visible development of a protective immunity due to prior infections. A purulent discharge is a sign of symptomatic infection, but it is unclear how the host will react.
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What occurs inside of a cell while it is performing the process of respiration? (1 Point)
The negative charge inside of the cell is used to increase the concentration chemicals inside of the cell
Sugar is broken down to generate adenosine triphosphate (ATP) molecules that are used for energy
Light reactive chemicals combine carbon dioxide (Co2) and water to form glucose molecules that are stored as
food[object Object]. Incorrect answer
The cell membrane forms around air bubbles to create a vacuole that is used to separate the oxygen from the
rest of the air
Sugar is broken down to generate adenosine triphosphate (ATP) molecules that are used for energy occurs inside of a cell while it is performing the process of respiration
In the cellular respiration glucose and oxygen react to form ATP and water and carbon dioxide are released as byproduct and the three stages of aerobic cellular respiration are glycolysis and the Krebs cycle and oxidative phosphorylation and glycolysis take place in the cytosol and the citric acid cycle occur in the mitochondrial matrix and all living organism need energy to carry out daily life process and respiration is considered to be the key process during which several reaction take place and sugar is broken down inside the cell
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which species are representatives of the green algae? multiple choice chlamydomonas, volvox, and coralline coralline algae, volvox, and spirogyra diatoms, volvox, and spirogyra chlamydomonas, volvox, and spirogyra diatoms, chlamydomonas, and volvox
The representatives of the green algae are Chlamydomonas, Volvox, and Spirogyra
What is algae?
Algae are members of a paraphyletic group that set them apart from other types of life by being eukaryotic, watery, and photosynthetic. They cover a broad spectrum of creatures, from single cells through colonies to multicellular organisms.
What is green algae?
A kind of algae known as green algae are distinguished by their greenish color. The presence of a lot of chlorophylls a and b in the plastids of green algae is what gives them their greenish hue and allows them to photosynthesize. The ratios of these pigments are identical to those seen in vascular plants.
Therefore, Chlamydomonas, Volvox, and Spirogyra are the members belong to green algae.
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which of the following is true of neandertals? select one: a. they could control fire. b. they deliberately buried their dead. c. they are considered by many archaeologists to be a subgroup of homo sapiens. d. all of the answers are correct.
Neanderthals performed funeral ceremonies and buried their deceased using flowers.
In 1908, a possible Neanderthal tomb was first found in southwest France at La Chapelle-aux-Saints. These 50,000-year-old bones' excellent preservation prompted scientists to hypothesize that Neanderthals interred their dead long before modern humans reached western Europe. At the time, soil samples connected to one of the bones included clusters of flower pollen, which led researchers to hypothesize that Neanderthals performed burial ceremonies and buried their dead using flowers. To bury their dead, Homo neanderthalensis (Neanderthals) built pits. They buried their deceased using flowers in their funeral ceremonies .The purposeful placement of remains in caverns and their intentional burial date to around 115,000 years ago at Qazfeh in Israel.
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Marine Science Explain the law of conservation of energy.
The law of conservation of energy states that energy can neither be created nor be destroyed in a chemical reaction or biological system. Although, it gets transformed from one form to another.
What is an example of the law of conservation of energy?An example of the law of conservation of energy is as follows:
When you roll a toy car from a flat staircase, it will fall into the ground where the kinetic energy gets transferred into potential energy.This may be clearly understood by the fact when taking all forms of energy are present in the environment, the total energy of this isolated environment always remains constant. This reveals the law of conservation of energy.
Therefore, the law of conservation of energy is well described above.
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Question 1 (1.5 points)
Why did environmental policies became essential as the US population began to
grow more quickly?
Environmental policies became essential as the US population began to
grow more quickly because as more individuals acted out of self respect rather than communal goods, resources began to be depleted and is denoted as option D.
What is a Policy?
This is referred to as a general guideline that is used as a basis for making decisions. There are different types of policies and in a country are usually passed by the government after meeting the requirements stated in the constitution.
Population and availability of resources have a direct relationship. As population began to increase, the need for resources began to increase also which is why there was the need for the provision of environmental policies so to make sure that there is no scarcity and makes it the correct choice.
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according to the punnet square offpsirng from these parents have a (fill in the blank) chance of inheriting one b allele and one b allele
According to the punnet square offspring from these parents have a 50% chance of inheriting one B allele and one b allele,
The genotypes of a certain cross or breeding experiment are predicted using the Punnett square, a square diagram. It bears Reginald C. Punnett's name, who developed the method in 1905. Biologists use the figure to calculate the likelihood that a child will have a specific genotype.
The term "allele" is used to refer to a gene's alternate form or variants. For each autosomal gene, one allele is inherited from each parent, and we often group the alleles into groups. Usually, we refer to them as normal, wild-type, aberrant, or mutant alleles.
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environmental impacts from freshwater aquaculture include group of answer choices economic loss of income from sport fishing. nutrient overload and escape of exotic species. water loss due to increased irrigation. introduction of heavy metals into native fish.
Environment impacts freshwater aquaculture include nutrient overload and escape of exotic species.
When the aquaculture sector first started to take off, there were a few things that made it difficult for the sector to produce fish sustainably. The goal of fish farming has never been to harm the environment; rather, it is to improve food security.
Environmental issues did, however, develop. There was no lack of unfavorable press, and these reports have stuck with the general public. Nutrient and effluent build-ups, the negative effects of fish farms on nearby wild fisheries due to disease and escape, and environmental damage as a result of the site's location were common criticisms.
Aquaculture's harmful environmental effects are complex. When there are many fish in one place, nutrients might accumulate. The trash that fish produce has the potential to accumulate in the neighborhood. Algal blooms and dead zones may result from the water's oxygen being depleted in this way. Antibiotic use by farmers to prevent disease has raised concerns about the drugs' impact on the ecosystem surrounding the cages, including wild fish. Many people were also concerned that the escaped non-native fish would increase food competition among wild fish, possibly driving out the native fish.
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100 points and brainlest if answer is right
Answer:
Evolved first
Explanation:
Prokaryotic cells Evolved to other forms of organelles (mitochondrial and chloroplast)in the eukaryotic cells
And with regards to the other options available can not only be with respect to Prokaryotic cells because other cell possess plasma membrane, ribosomes and DNA as well
Answer:
c) Evolved first
Explanation:
Eukaryotic cells started to form after the evolution of prokaryotes.
So, the characteristic of prokaryotic cells is that they evolved first. Hence, the option (c) is the correct answer.
Climate change affects the ocean by (1 point)
Climate change affects the ocean has absorbed the heat released by fuel and growing emissions.
How ocean affected by climate change?Currently, the ocean has absorbed around 90% of the heat caused by growing emissions. As the surplus heat and energy warm the water.
The temperature shift causes unprecedented cascade consequences like ice melting, sea-level rise, marine, and ocean acidification.
As greenhouse gases capture more solar energy, the seas absorb more heat, resulting in higher sea surface temperatures and increasing sea levels.
Therefore absorbing heat from the ocean from emission climate change affects it.
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which solvent is a commonly used to extract all the lipids from homogenized tissue samples and subsequent separation of the lipids from the proteins and sugars present in those samples?
Solvents that are used to extract the lipids from homogenized tissue samples and subsequent separation of the lipids from the proteins and sugars present are methanol and chloroform.
How are lipids extracted?Lipids are extracted using solvent-based techniques. In some cases, solvents are subjected directly into cell pellets, but in other cases, solvents are employed during disruptions of cell.
Lipids are insoluble in polar solvents like water but highly soluble in non-polar or weakly polar organic solvents like ether, chloroform, benzene, and acetone.
The Bligh and Dyer method is a widely practiced methods for lipid extraction. It is very similar to the Folch method, but differs in solvent/solvent and solvent/tissue ratios.
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To investigate how the vegetation in a coastal ecosystem changes with distance from
the high tide mark, the BEST sampling technique would be
(A) a line transect placed across the ecosystem
(B) regular observation of the ecosystem
(C) a quadrat placed randomly within the ecosystem
(D) a piece of string placed across the ecosystem
which gives results obtained
A line transect placed across the ecosystem is the best sampling technique.
What kind of vegetation is there along the coast?
Maritime forests, scrub thickets, grassy upland grasslands, freshwater swamps, freshwater marshes, mangrove swamps, saltwater marshes, and grassy or forested dunes are a few examples of common coastal vegetation environments.
What is line transect method?
As a guide for a sampling technique used to determine the distribution of organisms, a tape or string is laid along the ground in a straight line between two poles. Sampling is strictly limited to organisms that are in direct contact with the line.Another form of systematic sampling, similar to the belt transect, is the line transect. The line transect involves drawing a line through a habitat. It might be as easy as laying a string or rope across a habitat. In this strategy, the organisms that really touch the line are taken into account. As a result, only organisms that come into contact with the line can be sampled.Despite being similar to the belt transect, this approach only yields a little amount of data. It merely displays the changes occurring along the line. Species' existence and absence are noted. It displays a specific linear or gradient pattern along the line. With the aid of scale-drawn icons for various species, the data is presented as a diagram. The relative densities of different species cannot be determined via a line transect. The belt transect method is slower than this one, though.Hence line transect method is best used to investigate the vegetation of coastal system.
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What is the relationship between temperature and orca survival?
The relationship between temperature and orca survival is that they inhabit waters with a constant temperature of 0 degrees, therefore if the temperature rises, the orca's prey will perish.
What connection exists between Orcas and temperature?Orcas maintain a body temperature that is comparable to that of humans. Orcas, however, lose a lot more heat to the environment than humans do since they live in water.
Orcas have developed a variety of strategies to attempt and keep their heat under check in reaction to this.
Note that Killer whales have also been spotted in warm water environments, including Florida, Gulf of Mexico, as well as more temperate regions, like New Zealand as well as South Africa.
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an ecologist recorded 12 white-tailed deer per square kilometer in one location and 200 deer per square kilometer in another location. what was the ecologist comparing?
The ecologist was contrasting density.
What variables influence population change?Demographers often concentrate on four key variables when attempting to predict changes in population size: fertility rates, death rates (life expectancy), beginning age distribution of the population (whether it is relatively elderly or young to begin with), and migration.
Which of the following can contribute to population regulation that is density dependent?Competition and predation, which affect birth and mortality rates, can have an impact on density-dependent regulation. Abiotic elements and environmental factors, i.e., extreme weather and conditions like fire, can have an impact on density-independent regulation.
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what is meant by translocation? view available hint(s)for part f what is meant by translocation? the two ribosomal subunits are joined in a complex. the ribosome slides one codon down the mrna. the polypeptide chain grows by one amino acid. the completed polypeptide is released from the ribosome.
The ribosome slides one codon down the mRNA. Option B.
Transcription is the technique of the producing of RNA from DNA. Translation is the gadget of the formation of protein from RNA. Translocation is the motion of substances in vegetation from the leaves to other elements of the plant. Translation takes area at the ribosome, which includes rRNA and proteins. In translation, the instructions in mRNA are take a look at, and tRNA brings the perfect collection of amino acids to the ribosome.
Metabolic techniques, particularly the products of photosynthesis are transported from the leaves in which they may be formed to unique factors of the plant. This shipping of soluble photosynthetic products is known as translocation and takes vicinity in a part of the vascular tissue called the phloem. A mutation wherein non-homologous chromosomes change stretches of DNA. Autosomal issues. Autosomal troubles affect each women and men.
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How can fossils tell scientist about the past?
Answer: Fossils can tell scientists about the past by showing how the skeleton is structured so they can get an idea about what they ate, their limitations, and sometimes even how they acted or mated.
Explanation:
The carbohydrate produced by photosynthesis can be stored as starch in the leaf. A plant with variegated leaves used up its store of starch because it was placed in the dark. Explain why the plant used up its store of starch when it was placed in the darkThe carbohydrate produced by photosynthesis can be stored as starch in the leaf. A plant with variegated leaves used up its store of starch because it was placed in the dark. Explain why the plant used up its store of starch when it was placed in the dark
Examine the diagram.
What genetic condition do the individuals in blue have?
Eggs mature in the________
of the
female reproductive system. What
one word completes the sentence?
Enter your answer
Eggs mature in the ovaries of the female reproductive system.
Eggs in female refers to the female germ cells also called the ovum. It is a haploid structure that gets fertilized by a male germ cell in order to give rise to offspring. Egg is said to the largest single cell in the female body. It has no flagella and hence cannot move.
Ovaries are the gland or the reproductive organs that are involved in the production of female germ cell called the egg. In human females, there exists a pair of ovaries that consists of thousand of ova stored in it. Apart from ovum, these ovaries also synthesize some hormones.
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