1. Respiration takes place in the?
Answer:
lungs. that is why it is called respiratory system
Explanation:
Answer:
Mitochondrion.
Explanation:
The enzymatic reactions of cellular respiration begin in the cytoplasm, but most of the reactions occur in the mitochondria. Cellular respiration occurs in the double-membrane organelle called the mitochondrion. The folds in the inner membrane are called cristae.
What differences can you spot between the Columbian ground squirrel and the Cape ground squirrels?
Answer:
the columbian ground squirrel is bigger and longer and has a orange spot on its nose and the cape ground squirrel is smaller and skinnier
Answer:
Okkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
Please help! Thank you... 3
Answer:
Adenine (A) = 28%
Cytosine (C) = 22%
Explanation:
The DNA molecule, which is the genetic material that stores or holds information needed by the cell for growth, reproduction etc. Structurally, the DNA is composed of nucleotide subunits, which are of four types namely; Adenine, Guanine, Cytosine, and Thymine etc.
According to Chargaff in his complementary base pairing rule, he states that Adenine will always pair with Thymine (A-T) while Guanine will always pair with Cytosine (G-C). Based on this, Chargaff further stated that the amount of adenine must be equal with that of thymine while that of guanine must be equal to cytosine.
In total, their total amount must be equal to 1 or 100% i.e. (A + T) + (G + C) = 100%. In this question, 22% of Guanine are found in the DNA of a fox. This means that automatically, the percentage of cytosine is 22%. We then calculate the amount of Adenine and Thymine as follows:
(A + T) + (G + C) = 100%
A + T + 22 + 22 = 100
A + T + 44 = 100
A + T = 100 - 44
A + T = 56
Since A = T,
56/2 = 28
Hence, A = 28%, T = 28%
If a strand of DNA has 22% Cytosine, what would be the percent of Guanine? typ
Answer:
22%
Explanation:
Cytosine and Guanine complements each other.
Which is an accurate genotype for free earlobe (dominant)?
A.
EE or ee
B.
ee
C.
Ee
D.
Ee or EE
E.
EE
Answer:
option D is correct.
Ee or EE
Explanation:
because free ear lob is a dominant trait. so when E is present the ear lobe will free.
What is DNA and all of its functions
Answer:
DNA is the building blocks of every organism. It works as genetic or hereditary material.
Explanation:
Answer:
Hello! DNA (Deoxyribonucleic Acid) is a molecule composed of two polynucleotide chains, which coil around each other to form a double helix that carries genetic instructions for the development, functioning, reproduction and growth of all known organisms and many viruses. DNA and the instructions contained in it passes from adult organisms to their offspring during the process of reproduction. Hope this helps ! :)
describe what is happening at each phase of meiosis
The process of meiosis takes place in two phases. Meiosis I; Meiosis II; Phases of Meiosis 1 and Meiosis 2. During meiosis I, a cell is divided into two, and in meiosis II, further division takes place, resulting in a total of four haploid cells. Before the start of the process, the parent cell goes through a stage of preparation called the interphase.
answer was found here -https://ibiologia.com/phases-of-meiosis/#:~:text=The%20process%20of%20meiosis%20takes%20place%20in%20two,through%20a%20stage%20of%20preparation%20called%20the%20interphase.
Hope this helps you :3
Which of the following statements is FALSE regarding the effects of exercise on metabolism and body composition? Group of answer choices It slightly raises the metabolic rate for several hours after exercise. The increase in muscle mass raises the metabolic rate. It increases caloric expenditure and thus helps regulate body weight. It can result in substantial weight gain due to increase in muscle mass.
Answer: The false statement regarding the effect of exercise on metabolism and body composition is that (It can result in substantial weight gain due to increase in muscle mass).
Explanation:
Metabolism of the body simply means all the chemical reactions in all the cells of the body and the metabolic rate is normally expressed in terms of the rate of heat liberation during chemical reactions or physical activities.
The body composition of healthy adults who maintain stable body weight, energy intake is balanced with energy output. Energy output includes energy used for:
--> performing essential metabolic functions of the body.
--> performing various physical activities (exercise)
--> digesting, absorbing and processing food.
--> maintaining body temperature.
When an individual performs exercise, the rate at which heat is liberated( metabolic rate) is increased. This is because ATP which is gotten from the food is used as energy during exercise and is converted to heat as the end product.
Also, increase in muscle mass raises the metabolic rate because the more muscle in the body, the more calories are used up during rest and therefore the higher your metabolic rate.
Therefore the statement is false about the effects of exercise on metabolism and body composition because exercise involves energy output cannot lead to SUBSTANTIAL weight gain even in increased muscle mass.
describe Convection current in ur own words pls
Answer:
Like the distribution of heat, like a boiling pot of water the heat circulates through the pot- convection
Explanation:
Answer:
A process that involves the movement of energy from one place to another. It is also called convection heat transfer.describe all of the possible phenotypes of the father's parents. Show the punnet square to support your awnser
Answer:
We don't know.
Explanation:
We need more to answer this.
in eukaryotes cellular respiration takes place in the
a. nucleus
b.mitochondria
c.cellular membrane
d.cytoplasm
(HELP ASAP I'LL GIVE YOU BRAINLIEST)
Answer: D, because in the text it said "pay for her influential impact".
I hope it helped if what i said made sense.. :D
In this project, you will use reference materials and Internet sites to do research on a specific type of
genetic modification: genetically modified foods. Suggested references are listed at the end of this
document to help you with this project.
Using your research, you should be able to answer these questions:
1. What are genetically modified foods?
2. What crops are typically genetically modified?
3. Why are crops genetically modified?
4. How are crops genetically modified?
5. How do genetically modified foods affect society and the environment?
You will then share what you have learned by preparing a multimedia presentation. Your multimedia
presentation should include a title slide, a number of content slides that include specific information about
genetically modified foods, and a slide that lists the sources you used in your research.
Answer:
Genetically modified foods, also known as genetically engineered foods, or bioengineered foods are foods produced from organisms that have had changes introduced into their DNA using the methods of genetic engineering.
The most common GMO crops include soybean, maize, cotton, canola, and alfalfa. The following GMO crops were also planted in different countries in 2018: papaya, eggplant, potato, apple, safflower, pineapple, and sugarcane.
For centuries, farmers have bred crops for certain desirable traits. Genetically Modified (GM) crops offer improved yields, enhanced nutritional value, longer shelf life, and resistance to drought, frost, or insect pests.
Genetic modification of plants involves adding a specific stretch of DNA into the plant's genome, giving it new or different characteristics. ... The gene of interest is transferred into the bacterium and the bacterial cells then transfer the new DNA to the genome of the plant cells
GMOs have helped farmers reduce their environmental footprint by allowing them to use fewer inputs and enabling a shift to reduced tillage. These practices have led to less time spent on a tractor, less fuel used and fewer emissions.
Answer:
Genetically modified foods, also known as genetically engineered foods, or bioengineered foods are foods produced from organisms that have had changes introduced into their DNA using the methods of genetic engineering.
Explanation:
Which theory of the spread of human beings is supported most by modern
evidence?
A. Ice Cap theory
B. Multi-regional theory
c. Out of Africa theory
Don’t do it for the points please
Answer:
multi-regional theory
Explanation:
jayfeaher friend me
Which of the following is a function of lipids?
A.They act as genetic material.
B.They increase the rate of reactions .
C.They form chains of amino acids .
D.They store energy for the cell.
Answer:
Explanation:
A.actúan como material genético.
B.Aumentan la tasa de reacciones.
C.Forman cadenas de aminoácidos.
Almacenan energía para la célula.
What are the differences between active transport and passive transport
Biology! 10 points pls help!
ASap
Which of the following integrates nervous and endocrine system?
A. adrenal gland.
B. posterior pituitary gland.
C. hypothalamus.
D. anterior pituitary gland.
At what point is a star born?
Answer:
when it's born a star is born when it's born
Answer:
A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. All stars are the result of a balance of forces: the force of gravity compresses atoms in interstellar gas until the fusion reactions begin
Explanation:
Please help!!!!
Can someone please give a small description on these words based off of plant cells
Cell wall
Golgi apparatus
Chloroplast
Cell membrane
Intermediate filaments
Ribosome
Answer:
Cell wall: A protective layer covering the outside of the cell. They keep the shape of the plant cell, prevent water loss, and provide support.
golgi apparatus: Transports proteins and lipids around the cell. Often it is called the shipping department of the cell.
chloroplast: Chloroplasts store chlorophyll and this is where photosynthesis takes place in the cell.
Cell membrane: A layer that covers the cell, acts as a gate and determines what comes and goes through the cell. It allows good things in, while keeping others out.
Intermediate filaments: Provides support when when the plant cell comes into contact with other cells.
Ribosome: The part of the cell that is responsible for creating proteins.
What holds the DNA in your cells? PLEASE HELP!!!!!!!!!
Answer:
The nucleus
Explanation:
Answer:
nucleus
Explanation:
The nucleus contains most of the DNA in a cell and this DNA is called the chromosomal DNA it is separated from the rest of the cell (cytoplasm) by a double layer of membrane.
What is the SOURCE of new traits in a species? Question 7 options: A Mutations
B Natural selection C Adaption D Evolution
Answer:
Your answer is A) Mutations.
Answer:
A) Mutations
Explanation:
Verified correct with test results.
What is the function of the type of muscle that is
pictured below?
support and movement of the skeleton
movement of food through the digestive system
contraction and relaxation of the heart
generation and conduction of electrical signals
Answer:
These are striated skeletal muscles.
Explanation:
support and movement. There is an attachment to the skeleton to help move limbs, usually connected from bone to limbs..cross striations with dark A bands & light I bands. The Z line stands out in the center of I bands...hope this helps..
These muscles are striated which help in supporting and assisting the skeleton's movement. So, the correct option is A.
What are striated muscles?Highly organised tissues called striated muscles are responsible for converting chemical energy into muscular work. Striated muscles have two main purposes: to pump blood through the body (cardiac muscle) and to produce force and contract in support of breathing, movement, and posture (skeletal muscle).
They have striations, which are alternate bands of light or dark. The muscles of the face, the neck, limbs, etc. contain striated muscles. Additionally, the pharynx, tongue, diaphragm, the upper part of the esophagus all contain them. In the given example, these muscles are striated which help in supporting and assisting the skeleton's movement.
Therefore, the correct option is A.
Learn more about Striated muscles here:
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Which of the following can cause mutations?
SELECT ALL THAT APPLY
a
certain viruses
b ultraviolet or ionizing radiation
С
certain bacteria
d certain chemicals
Which of the following is NOT a reactant of photosynthesis?
a. Carbon dioxide b. Water c. Oxygen d. Light
Photosynthesis produces both glucose (sugar) and oxygen as products in the chemical reaction. Plants use photosynthesis to take in sunlight, water, and carbon dioxide as reactants and produce glucose for energy and oxygen. The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll , while the products are glucose (sugar), oxygen and water.
I hope this helps =)
Considering the definition of photosynthesis, oxygen is not a reactant needed for photosynthesis.
But first it is neccesary to know that photosynthesis is a metabolic process carried out by certain cells of autotrophic organisms, that is, those that have the capacity to make their own food, such as plants.
Taking as examples plants, first water and minerals are absorbed from the environment, generally through their roots, then the absorbed nutrients circulate through the plant to the leaves, which is where photosynthesis will almost always take place.
For the photosynthesis of plants to take place, the presence of chlorophyll is necessary, a pigment that is sensitive to sunlight and is the one that gives plants their characteristic green color.
Chlorophyll has the ability to absorb energy from sunlight and transfer it to the production (synthesis) of carbohydrates from two compounds available in the medium: water (H₂O) and carbon dioxide (CO₂) (captured from the environment).
This photochemical process also produces oxygen (O₂) that is released into the atmosphere.
Finally, synthesized organic molecules can be used as a source of chemical energy to support vital processes such as cellular respiration and metabolism.
Then, sunlight, carbon dioxide and water are needed for the photosyntesis, while oxygen is released to the environment.
This is sunlight, carbon dioxide and water are reactants needed for photosyntesis, and oxygen is not a reactant needed.
Learn more:
brainly.com/question/13523854?referrer=searchResults brainly.com/question/13523849?referrer=searchResults brainly.com/question/873199?referrer=searchResultsA student observes an amoeba with a light microscope that has a 10x ocular lens and a 120x objective lens. How much larger does the organism appear through the microscope?
where are all lemurs find
Answer:
Madagascar
Explanation:
Most Lemurs can be found in Madagascar due to them only living or being found in African Islands.
All of the following climate regions are labeled on the map above except
A humid subtropical
B. tropical wet
C. highland
D. arid
Please select the best answer from the choices provided
A
B
Answer:
The answer is c
Explanation:
Please help! This is for a science project.
How do I turn this sentence into my own words?
The ability to roar has an anatomical basis, often involving modifications to the larynx and hybrid bone and enlarged internal air spaces for low frequency acoustic resonace.
Answer:
A roar is anatomical and it involves changes to the larynx and hybrid bone. Also, enlarged internal air spaces are needed to get low frequency acoustic resonance.
Explanation:
Or, um, you can just cite
What is the defining feature of lipids?
O They are can be either polar or nonpolar, depending on the nitrogen-containing functional group attached.
O They are largely nonpolar because they consist of mostly non-polar C-C and C-H bonds.
O They are largely polar because they consist of mostly polar glycosidic bonds.
Answer:
O They are largely nonpolar because they consist of mostly non-polar C-C and C-H bonds.
Explanation:
Lipids do not contain nitrogen groups and do not have polar glycosidic bonds. In addition, the function of cellular membranes depend greatly on the fact that lipids (phospholipid bilayers) are polar!
The defining feature of lipids is- option. They are largely nonpolar because they consist of mostly non-polar C-C and C-H bonds.
Lipid is a micro biomolecule that is made up of fatty acids or their derivatives. These are molecules that are soluble in nonpolar solvents and insoluble in water.
Lipids are largely nonpolar in nature.The nonpolar nature is due to consisting mostly nonpolar carbon-carbon or carbon-hydrogen bonds.Non-polar molecules are hydrophobic therefore, lipids also insoluble in water. Lipids help in many cellular processes and parts of cell structure such as cell membrane.Thus, the correct answer would be the option. They are largely nonpolar because they consist of mostly non-polar C-C and C-H bonds.
Learn more about cell membrane:
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