Dissection is one of the procedures through which scientists can find out about the internal parts of life science specimens.
Dissection in its literal terms is the cutting down of an object. The process involves cutting the parts and organs of an organism to study its anatomical structures. The process should be performed carefully so that the anatomy is not ruined and results are not misinterpreted.
Specimens are the samples related to living organisms used to visualize and study about them. These specimens can be deceased living organisms that are carefully preserved using chemicals. Other structures of the living organisms like their teeth, skin, exoskeleton, horns, etc. can also be considered a specimen.
To know more about dissection, here
brainly.com/question/20881080
#SPJ1
What category do you think humans fall into.
Answer:
Mammals
Explanation:
Humans are classified as mammals because humans have the same distinctive features found in all members of this large group. Humans are also classified within: the subgroup of mammals called primates; and the subgroup of primates called apes and in particular the 'Great Apes'
What are genera of protists that parasitize humans except?
Chlamydomonas are genera of protists that parasitize humans except
Chlamydomonas is a genus of green algae with only one cell (Chlorophyta). In soil, fresh water, oceans, and even in the snow on mountaintops, these algae can be found all over the planet. This genus of algae has two anterior flagella that let them to swim with a motion akin to the breaststroke, a cell wall, a chloroplast, and a "eye" that can detect light. Chlamydomonas has been described in more than 500 different species, however most researchers only work with a few of them.
Chlamydomonas reinhardtii is the species utilized in laboratories the most frequently. This species' haploid cells can thrive on an easy inorganic salts media while employing photosynthesis to generate energy.
learn more about Chlamydomonas here :
https://brainly.com/question/920441
#SPJ4
How does an object's mass affect its kinetic energy?
Answer:
as mass increases, kinetic energy increases, if all other factors are held constant.
Explanation:
The velocity at which an object is sent moving and the mass of the object both play a hand in the level of kinetic energy that object produces. Mass and kinetic energy have a positive relationship
Which of these describes the phases of the cell cycle in the correct order? A. cell growth → DNA replication → preparation for mitosis → cell division B. cell division → DNA replication → preparation for mitosis → cell growth C. DNA replication → preparation for mitosis → cell growth → cell division D. preparation for mitosis → cell division → DNA replication →cell growth
Answer:
the answer is A
Explanation:
The cell needs to grow first before it can replicate. Then from there, it begins prepping for mitosis and divides after.
Which organism would you expect to have the longest digestive track?
Rhinoceros- herbivore
Baboon- omnivore
Lion- carnivore
Human- omnivore
The group of organisms that are expected to have the longest digestive tract is the herbivore rhinoceros (Option A).
What does the longest digestive tract mean?The expression longest digestive tract makes reference to the length of the digestive system which is directly associated with the digestibility of food that one organism consumes. This parameter (digestion) is favored by the retention time which increases regarding the gut length
Therefore, with this data, we can see that herbivores such as rhinoceros will exhibit a long digestive tract to favor the retention time and which is associated with gut length.
Learn more about the digestive tract here:
https://brainly.com/question/21470803
#SPJ1
Just need help soon thanks
Lysosomes
Golgi apparatus
Cell membrane
Rough ER
Smooth ER
hope this helps!! :)
GOOD LUCK WITH WHATEVER YOU ARE WORKING ON
The elements produced in stars by nuclear fusion are called_________
Othe light elements
O the heavy elements
Othe carbonic elements
Ohydrocarbons
The production of chemical elements within stars through nuclear fusion reactions is known as stellar nucleosynthesis. Since the initial generation of hydrogen, helium, and lithium during the Big Bang, stellar nucleosynthesis has taken place.
The elements produced in stars by nuclear fusion are called the light elements
What elements are created by nuclear fusion in stars?Fusion occurs in three stages in stars like the Sun. In the first, deuterium is created when two hydrogen atoms combine. The deuterium is then fused with another hydrogen atom to produce a rare isotope of helium with a nucleus made up of two protons and one neutron.The nuclei of two atoms come together in a nuclear fusion process to form a brand-new atom. Most frequently, two hydrogen atoms will combine to form a helium atom in the center of a star.The production of chemical elements within stars through nuclear fusion reactions is known as stellar nucleosynthesis. Since the initial generation of hydrogen, helium, and lithium during the Big Bang, stellar nucleosynthesis has taken place.To learn more about : Stellar nucleosynthesis
Ref : https://brainly.com/question/24172157
#SPJ13
what evidence does not explain how mid-ocean ridges are formed
Mid-ocean ridges are found on the bottom of most oceans.
Mid-ocean ridges occur along diverging plate boundaries where new ocean floors form as the Earth's tectonic plates spread. When the plates separate, lava rises to the seafloor, and huge volcanic eruptions of basalt occur. Propagation at mid-ocean ridges is thought to involve two processes: ridge push and slab pull.
Ridge push refers to the gravitational sliding of an oceanic plate that is lifted above the hotter asthenosphere, creating a body force that causes the plate to slide downward. The material that erupts at the propagation center along the mid-ocean ridge is primarily basalt the most common rock on Earth. A raised region with a central valley on the seafloor at the boundary between two diverging tectonic plates where new crust is forming from rising magma.
Learn more about Mid-ocean here:-https://brainly.com/question/7666628
#SPJ1
The purpose of the Calvin Cycle is to…
A. convert carbon dioxide into oxygen using water
B. convert carbon dioxide in the atmosphere into pizza that Ms. Vetter likes to eat.
C. convert carbon dioxide in the atmosphere into carbohydrates or sugars
D. convert sugar into cocoa puffs cereal that Mrs. Wade loves to eat
convert carbon dioxide in the atmosphere into carbohydrates or sugars is the purpose of the Calvin Cycle.
The Calvin cycle is a set of events that occurs in plants to fix carbon from carbon dioxide into three carbon atoms. Dr. M. Calvin made the initial discovery of the Calvin cycle in 1957. The products of these three carbon atoms include amino acids, nucleotides, and starch. The sugar that is created during the Calvin cycle may be utilised by both plants and animals as a source of long-term energy storage. The Calvin cycle also contributes to keeping the atmosphere's carbon dioxide concentration stable.Because the Calvin cycle is not directly fueled by photons from the sun, it is also known as a light-independent process. However, they are using energy that is created as a result of photosynthesis in the form of ATP and NADPH.To know more about Calvin Cycle visit : https://brainly.com/question/3199721
#SPJ1
Give at least ten examples of farming of animals which can improve the economy of Pakistan. Describe the products and benefits of each example as well.
Some of the examples of farming of animals which can improve the economy of Pakistan includes bison, dairy cattle, goats, sheep, poultry, camels, asses, pony, donkeys,
All these examples help the Pakistan economy by giving draft power,
significant natural creature proteins and its side-effects bones, mohair, stows away, skin, excrement, fleece, and so on. Milk, eggs, margarine, meat and oils are primary wellsprings of sustenance that are gigantically essential to the great wellbeing and sufficient nourishment of both the country and metropolitan populaces.Numerous items got from animals, like fleece items, calfskin items and creature stow away, are sent out and contribute altogether to the securing of unfamiliar trade.Agriculture in Pakistan:
Being a country that has a generally rustic and horticulture-based industry, animal cultivation assumes a significant part in the economy of Pakistan and is a significant wellspring of job for some ranchers. It is assessed that there are somewhere in the range of 30 and 35 million individuals in Pakistan's ongoing workforce who are participated in animals. While the horticultural practice is pervasive all through the whole country, it is more considered normal in the ripe regions of Punjab and Sindh, which are customarily the primary areas of agribusiness and cultivating movement. In 2020, the animal's business was contributing 60.6 % to in general farming and 11.7 % to the Gross domestic product.
Learn more about Pakistan farming here:
https://brainly.com/question/7101811
#SPJ9
Which can cause cracks in rock formations over time?
Answer:
Mechanical Weathering
Explanation:
Mechanical weathering, also known as physical weathering and disaggregation, causes rocks to crumble.
Humans who have an abnormally high level of cholesterol are said to suffer from familial hypercholesterolemia marries a woman who is homozygous for the recessive allele. What is the probability that they will have children that suffer from the disorder?
The probability that the offspring of the cross between a familial hypercholesterolemia diseased father and a homozygous recessive mother suffering from the disease will be zero.
Familial hypercholesterolemia is an autosomal dominant disease in which the levels of low density lipid (LDL) are abnormally high in the patient. The disease is very serious and may even result in death at a a very young age. The person carrying only one allele for the disease is called a carrier for the disease and is relatively at low risk.
A cross between familial hypercholesterolemia (HH) diseased father and a homozygous recessive (hh) mother:
HH × hh → Hh and Hh
The above cross shows that the offspring will only be a carrier of the disease and not actually suffer from the disorder.
To know more about familial hypercholesterolemia, here
brainly.com/question/28605646
#SPJ1
Standard NCES.7.L.1.3-Miranda learned how the human body carries out life functions. Which is the MOST basic level of organization in the human body?
Group of answer choices
an organ
a system
a tissue
a cell
Answer:
A cell
Explanation:
The first and most basic level of organization is the cellular level. A cell is the basic unit of life.
Often appear as change in skin, such as a growth, irritation, or sore that does not heal or as a change in a wart or mole.
Skin cancer often appear as change in skin, such as a growth, irritation, or sore that does not heal or as a change in a wart or mole.
What is Cancer?This is referred as a medical condition in which cells of the body divide in an uncontrollable manner and then spreads to other parts which makes it dangerous.
It also occurs in different types of forms such as a growth, irritation, or sore that does not heal or as a change in a wart or mole which is why special attention and observation is needed for quick detection and treatment in other to increase survival chances.
Cancerous cells compete with healthy cells for nutrients and other resources in the body and are usually treated through chemotherapy or radiotherapy which helps in killing the cancer cells.
Read more about Cancer here https://brainly.com/question/11710623
#SPJ1
PLS HELP RN PLS
When two molecules of water are oxidized by PSII, how many total hydrogens are generated in the thylakoid lumen?
If 4 molecules of water are oxidized by the light-dependent reactions, how many molecules of ATP are formed directly as a result?
When two molecules of water are oxidized by PSII, the total hydrogens generated in the thylakoid lumen is 4 hydrogen ions.
When 4 molecules of water are oxidized by the light-dependent reactions, six molecules of ATP are formed directly as a result
What is the light reaction in photosynthesis?The light-dependent reaction in photosynthesis is the reaction that occurs in the presence of sunlight as a catalyst.
The light reactions of photosynthesis occur in photosystems I, PSI, and photosystems II, PSII present in the thylakoid membrane of the chloroplast.
In the light reactions of photosynthesis, water molecules are oxidized to oxygen and ATP molecules are produced which drives the dark reactions of photosynthesis.
Learn more about the light-dependent reaction at: https://brainly.com/question/2854133
#SPJ1
Which of the following is true about promoter sequences?
a. They are identical for all genes in the genome.
b. They are the places that DNA polymerase lands and tell it where to start transcribing.
c. They can be read in either direction.
d. They are found upstream of the transcription start site.
The option that is true about promoter sequence is d. they are found upstream of the transcription start site.
The promoter sequence is the region of the DNA that is recognized by RNA polymerase for beginning the transcription of a gene.
The promoter sequence is always present upstream to the transcription start site.
This sequence is present usually upstream but near to the gene to be transcribed.
However, for some genes the promoter sequence is located far away from the transcription site but it is always in the upstream region.
To learn more about promoter sequence, click here:
https://brainly.com/question/28496707
#SPJ4
in the origin of the eukaryotes, endosymbiosis
Endosymbiosis most likely began with a heterotrophic endosymbiont entering the cell as undigested prey or as an internal parasite during the origin of eukaryotes.
The leading hypothesis, known as the endosymbiotic theory, holds that eukaryotes evolved from a fusion of Archaean and bacterial cells, in which an ancient Archaean engulfed (but did not eat) an ancient, aerobic bacterial cell.
Learn more about endosymbiosis here:
https://brainly.com/question/15829977
#SPJ4
the all-or-none law applies to which part(s) of a neuron?
The all-or-none law applies to an axon part(s) of a neuron.
When a strong enough stimulus results in an action potential, a neuron sends information down an axon and toward the synapse.
The all or none law is applied to each individual fiber of a motor unit. This idea states that when a motor unit is subjected to a stimulus that is potent enough to elicit a response, all of the muscle fibers will contract simultaneously and as forcefully as is possible.
In physiology, the all-or-none law (also known as the all-or-none principle or all-or-nothing law) states that if a single nerve fiber is activated, it will always respond maximally and generate an electrical impulse with a single amplitude.
learn more about an axon here:
https://brainly.com/question/28234182
#SPJ4
12. Fill in the table below
Saturated fats are solid at room temperature. unsaturated fats are liquid at room temperature. Commonly saturated fats are found in animal foods and also in plant foods. Unsaturated fats are mostly found in plant foods. The bonds connecting in saturated fats are single bonds and in unsaturated fats are one or more double bonds.
What is saturated fats?When the fatty acid chains in a fat have only single bonds, the fat is said to be saturated. Glycerides, a type of fat, are composed of two different kinds of smaller molecules: fatty acids, which each have a long linear or branched chain of carbon (C) atoms, and glycerol, which has a short backbone.
it is solid at room temperature because of it's molecular shape.
mostly found in animals fats.
What is unsaturated fats?Chemical composition is a defining characteristic of unsaturated fats. They can be categorised as monounsaturated or polyunsaturated and are liquid or soft at room temperature (as in oils and spreads). Unsaturated fatty acids may have a variety of health advantages, but overall, they are better for you than saturated fats.
it is liquid at room temperature.
mostly found in plant fats .
Learn more about fats here :
https://brainly.com/question/7632072
#SPJ13
Which sentence best describes the production of oxygen gas (0₂) by one of
the light reactions?
O
O
A. ATP molecules made by the thylakoids react with water molecules
to produce O atoms and H* ions.
B. Energized electrons from chlorophyll are transferred to water
molecules, releasing oxygen gas (0₂).
C. Hydrogen ions (H*) build up inside the thylakoids until they cause
water molecules to split into atoms of O and H.
OD. Photons of light absorbed by chlorophyll provide the energy to
split water molecules, forming O2 and H+.
During light-dependent reactions, photons from sunlight exhite electrons that move along the electron transporter chain. D) Photons of light absorbed by chlorophyll provide the energy to split water molecules, forming O₂ and H+.
What are the light-dependent reactions?
Photosynthesis involves two stages: light-dependent and light-independent reactions.
Light-dependent reactions occur in the thylakoids.
During these, oxygen is released, while ATP and NADPH are produced. Both of them are used during light-independent reactions.
Photosynthetic pigments are in charge of light absorption.
When sunlight reaches the pigments, electrons get excited by photons and move along the electron transport chain, placed in the thylakoid membrane.
As chlorophyll donates electrons when they get excited, new electrons provided by water molecules replace the excited ones.
Water splits into oxygen and two protons in the thylakoid space.
The final products are oxygen, ATP, and NADPH.
The correct option is D) Photons of light absorbed by chlorophyll provide the energy to split water molecules, forming O₂ and H+.
You can learn more about light-dependent reactions at
https://brainly.com/question/17161133?referrer=searchResults
#SPJ1
the phenomenon that probably gives rise to the organelles in eukaryoptes is
The phenomenon that probably gives rise to the organelles in eukaryoptes is endosymbiosis
The term "endosymbiont" refers to a microbial cell that has established a stable home inside another microbial cells. According to the endosymbiotic theory, several organelles of eukaryotic cells are thought to be descended from endosymbionts. Studies of mitochondria and chloroplasts, which are assumed to have evolved from bacteria living in big cells, are particularly supportive of the idea that eukaryotic cells originated from an association of prokaryotes that engaged in endosymbiosis. The origin of eukaryotes and mitochondria. The origin of eukaryotic cells is explained by this idea. Chloroplasts and mitochondria are the same size as prokaryotic cells and divide through a process known as binary fission. In order to create the mitochondria and chloroplasts, an ancestral eukaryotic cell first had to internalize prokaryotes. This process is known as primary endosymbiosis.
Learn more about endosymbiosis here :
https://brainly.com/question/15829977
#SPJ4
is food biotic or abiotic factor? answer pls
Answer:
biotic factor for humans and abiotic for plants
Is vegetable oil a carbohydrate, protein, or lipid or none of the above? if not explain why?
Answer:
lipid
Explanation:
vegetable oils are 100% fats, and contain no protein or carbohydrates.
Vegetables oils are lipids in nature.
What are the functions of lipids?Fats, waxes, sterols, fat-soluble vitamins, monoglycerides, diglycerides, phospholipids, and other naturally occurring molecules are included in the large class of molecules known as lipids.
Lipids are fatty substances that have many different jobs to do in your body. They are a component of your cell membranes and aid in regulating what enters and exits your cells. They aid in producing hormones, absorbing vitamins, and transporting and storing energy.
Lipids serve the body's needs for energy storage, hormone regulation, nerve impulse transmission, protection of sensitive organs, and the transportation of fat-soluble nutrients.
Learn more about lipids:
https://brainly.com/question/3498396
#SPJ2
Which describes the major thesis contained in darwin’s book, on the origin of species by means of natural selection?.
Plants and animals gradually evolved through a process called natural selection.
Natural selection in Darwin's theory
In reality, natural selection is a bit more complicated than that. It's the process by which organisms adapt to their environment to survive and reproduce. And it's the basis for Darwin's theory of evolution. Natural selection is the process in which organisms better adapted to their environment tend to survive and reproduce more than those less adapted to their environment. For example, tree frogs are sometimes eaten by snakes and birds.
What is the Origin of the Species by Charles Darwin?
The Origin of the Species by Charles Darwin is one of the most important books in the history of biology. In it, Darwin proposed the theory of evolution by natural selection. This theory states that species evolve through the process of natural selection. This occurs when some individuals in a population are better equipped to survive and reproduce than others. These individuals are more likely to pass on their genes to the next generation, and over time, the population as a whole will change.
Darwin's theory of evolution by natural selection is one of the most important scientific theories of all time. It has helped biologists to understand how life on Earth has changed over time, and it is still an essential part of our understanding of biology today.
Learn more about natural selection at :
https://brainly.com/question/14949172
Even a population that is 98% melanic retains the factor for light color in some of its members. What would hap-
pen fi the environmental conditions were again reversed? Peppered moth
How is melanism passed down?
In conclusion, melanism can develop from mutations of the extension gene that change MC1R or mutations of the agouti gene that change ASIP. However, genetic research on farmed bird species has shown numerous genes that can lead to various melanisms.
What would happen if we reversed climate change?
Earth's temperature would continue to rise for a few decades even if all human emissions of heat-trapping gases were to stop today. This is because ocean currents would transport extra heat stored in the deep ocean back to the surface. Earth's temperature would settle once this extra heat was dissipated into space.
To learn more about melanism click on the link below:
https://brainly.com/question/15283847
#SPJ13
Which statements describe functions of DNA? Select three options.
DNA gives instructions on how to make keratin, the protein that makes up human hair and skin.
DNA contains information about eye and fur color that is passed on from parents to kittens.
DNA provides energy for cheetahs to run fast.
DNA helps create substances that fight the bacteria that enter the body.
DNA stores energy for a bear as it hibernates during the winter.
The correct answer about the description of what the DNA does are as follows:
DNA gives instructions on how to make keratin, the protein that makes up human hair and skin.DNA contains information about eye and fur color that is passed on from parents to kittens.DNA helps create substances that fight the bacteria that enter the body.The correct answer choice are options a, b and d.
How DNA gives instructions for protein synthesisIt follows that DNA known by deoxyribonucleic acid is one of the nucleic acid found in the nucleus of living organisms. The DNA has 1001 functions; among which include the giving instructions on the production of proteins in the body.
The DNA gives codes on how to make proteins in the process of transcription. During this process, it works on the principle of using deoxyribonucleic acid as a template to produce the messanger ribonucleic acid also in the nucleus. This whole process result in the synthesis of proteins.
So therefore, we can accurately confirm that one the major functions of DNA is that it helps in the manufacture if proteins.
Read more on DNA:
https://brainly.com/question/2131506
#SPJ1
A B and C
Explanation:
PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
D
Explanation:
(q005) if the genome of the bacterium e. coli requires about 20 minutes to replicate itself, how can the genome of the fruit fly drosophila be replicated in only 3 minutes?
If the genome of the bacterium e. coli requires about 20 minutes to replicate itself, the genome of the fruit fly drosophila be replicated in only 3 minutes because drosophila DNA contains more origins of replication than E. coli DNA.
The word "bacteria," which is plural, is spelled "bacterium." To put it another way, you only use the word "bacteria" when there are multiple them and "bacterium" when there is only one.
A bacterium is a very small living entity that lacks a recognisable nucleus and has cell walls in biology. The term itself is derived from the Greek word bakterion, which means "small stick or rod" and describes the form of a bacteria under a microscope.
The basic shapes of bacteria are grouped into five categories: spherical (cocci), rod-shaped (bacilli), spiral-shaped (spirilla), comma-shaped (vibrios), and corkscrew-shaped (bacilli) (spirochaetes).
Learn more about bacterium:
https://brainly.com/question/27994775
#SPJ4
glycolysis generates more stored energy than it expends. what is the net number of activated carrier molecules produced in this process (number and type of molecules produced minus the number of those molecules used as input)?
The net number of activated carrier molecules produced in this process is 2 ATP and 2 NADH.
Two ATP molecules supply the necessary energy for the splitting of glucose. Energy is released during glycolysis, and this energy is used to create four molecules of ATP. Thus, during glycolysis, there is a net gain of two ATP molecules and 2 NADH molecules are formed at the end of glycolysis.
Where does glycolysis take place?
One 6-carbon glucose molecule undergoes glycolysis in the cytoplasm, where it is oxidized to produce two 3-carbon pyruvate molecules. Pyruvate's fate is determined by whether or not the cells have oxygen.
Therefore, The net number of activated carrier molecules produced in this process is 2 ATP and 2 NADH
To know more about Glycolysis, click on https://brainly.com/question/737320
#SPJ4
3. Which of the following is the largest single membrane-bound intracellular
compartment
a. Ribosome
b. Golgi apparatus
c. Nucleus
d. Endoplasmic reticulum
The largest single membrane-bound intracellular Endoplasmic Reticulum
The cellular membrane, also known as the plasma membrane, is found in all cells and separates the indoors of the mobile from the outdoor surroundings. The cellular membrane includes a lipid bilayer this is semipermeable. The mobile membrane regulates the transport of materials getting into and exiting the mobile.
What Are cell Membranes fabricated from?
With few exceptions, cellular membranes — together with plasma membranes and internal membranes — are product of glycerophospholipids, molecules composed of glycerol, a phosphate organization, and two fatty acid chains.
Learn more about Cell membrane here:- https://brainly.com/question/1768729
#SPJ9
