Answer:
Chloroplasts
Explanation:
Plants have chloroplast which can convert light energy from sun into chemical energy for the plant.
Which best describes the outcome of DNA replication? The new DNA molecule is identical to the original DNA. The new DNA molecule is synthesized from amino acids. The new DNA molecule has a different number of codons. The new DNA molecule is single-stranded
Answer:
The new DNA molecule is identical to the original DNA.
Explanation:
When people have their gallbladders removed, their bodies no longer have a place to store bile, and the bile flows from the liver continuously. What effect might this have on their ability to digest fats?
A. There will be very little change since bile will still be present to emulsify fats.
B. Fats will be emulsified more efficiently with the constant flow of digestive enzymes.
C. It will be unlikely that they will be able to emulsify and digest fats.
D. Only small amounts of fats will get digested since high concentrations of bile enzymes are needed for efficient digestion.
Answer:
A. There will be very little change since bile will still be present to emulsify fats.
Explanation:
The gallbladder is a pear-shaped storage sac present in the alimentary canal of humans and functions to store excess bile in between meals. The bile is a greenish-yellow substance composed of different substances like salts, bile pigments, cholesterol etc. The bile is produced in the liver and aids in the digestion of fats.
The gallbladder serves as an intermediary between the organ of bile production (liver) and its destination (intestine). According to the question, once the gallbladder is removed, there is no longer a place to store bile. However, bile will still be produced by the liver and released directly into the intestine instead.
Hence, the bile will still be present to perform its function of emulsifying fats with little changes in the way it is released into the intestine. Note that, the gallbladder only regulates the speed at which the bile is released into the intestine.
What is the role of the molecule pictured below?
Molecule with 3 phosphate groups bonded to an adenosine molecule
Answer:
ATP. Adenosine 5'-triphosphate, or ATP, is the principal molecule for storing and transferring energy in cells. ... These three phosphate groups are linked to one another by two high-energy bonds called phosphoanhydride bonds.
Answer:
Explanation:
ATP synthase
The energy released by the electrical potential across the membrane causes an enzyme, known as ATP synthase, to become attached to ADP. ATP synthase is a huge molecular complex and its function is to catalyze the addition of a third phosphorous group to form ATP.
What is the source of energy that drives photosynthesis?
farm animals can be classified based on what
Answer:
SEE BELOW
Explanation:
Farm animals are classified based on the following: Size, Habitat, Mammals, Non-mammal, and their types of stomach.
If you had the following food chain: Sun→grass→mouse→snake→bird of prey Which of the following would NOT happen if the snake trophic level was removed? A. The mouse population would decrease B. The bird of prey population would decrease C. The sun would stay the same D. The grass population would decrease
Answer:
Option A
Explanation:
If the snake trophic level is removed, the following things will happen
=> The mouse population will increase because they would no more be a prey
=> The bird of prey population will decrease because their predator is no more present
=> The sun would stay the same
=> The grass population would decrease as their predator population has increased.
The mouse population decreasing won't happen when the snake trophic
level is removed.
In the trophic level below, the snake feeds on the mouse, the bird of prey
then feeds on the snakes.
Sun→grass→mouse→snake→bird of prey
However, when the snake trophic level is removed , the mouse have fewer
predators which feeds on it. This enables the population of mouse to
increase in the ecosystem as those on top of the trophic level usually have a
smaller population to the others.
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Which of the these do plants NOT obtain using Active transport?
A. Phosphorus
B. Carbon dioxide
C. Potassium
D. Nitrogen
Active transport is the system that requires energy to transport the macro and micronutrients. Carbon dioxide is not transported through active transport. Thus, option B is correct.
What is active transport?Active transport is the mechanism to transport the molecules and the ions from regions of low concentration to higher concentration with the help of the energy as the movement are opposite the gradient.
The macronutrients like phosphorus, nitrogen, and potassium are transported with the help of the transporter molecules across the membrane and utilize ATP. While carbon dioxide diffuses directly and requires no energy.
Therefore, carbon dioxide is transported by passive transport.
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Fructose is a molecule that can move across the cell membrane. If the
concentration of fructose is higher outside the cell than inside the cell, then
what will happen by the process of diffusion?
O A. Fructose molecules will diffuse into the cell.
B. Fructose molecules will disappear by diffusion.
C. Fructose molecules will stay where they are.
O D. Fructose molecules will diffuse out of the cell.
If the amount of fructose is more outside the cell than inside the cell, then fructose molecules will move into the cell through diffusion. The correct option is A.
What is osmosis?Diffusion is the movement of substances from a region of higher concentration to a lower concentration region. A gradient in Gibbs free energy or chemical potential aids in diffusion.
In the given scenario, as fructose molecule is in excess outside the cell and is less inside, then the fructose molecule will cross the membrane from outside the cell to inside due to this concentration gradient.
Thus, the correct option is A.
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Which best explains a primary reason for the inability of life to exist in Earth’s early atmosphere? There was insufficient energy from material collisions to change their density. High temperatures during Precambrian time caused surface water evaporation. Volcanic eruptions and comet collisions added different gases to the atmosphere. Available oxygen was used to help create an ozone layer within Earth’s atmosphere.
Answer:
c
Explanation:
on edge
The sentence that best explains the primary reason for the inability of life to exist in Earth’s early atmosphere is " Volcanic eruptions and comet collisions added different gases to the atmosphere".
During the early years of the Earth volcanic eruptions were much more common than they are today. When these volcanoes erupted, they spewed many gases into the atmosphere, including:
Carbon dioxideWater vaporNitrogenHydrogenwhich was directly responsible for the composition of the early atmosphere.
Due to these gases being released into the atmosphere by Volcanic eruptions, causing a severe lack of oxygen, life on Earth was almost unsustainable. It was not until solar radiation and photosynthesis produced oxygen that life became sustainable.
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Intermediate filaments lack the intrinsic polarity of microtubules and microfilaments, because IF tetrameric subunits are symmetric. are grouped into five cytoplasmic classes based on the cell types in which they are found and one nuclear class. are the most stable and least soluble cytoskeleton filaments. are not found in plant cell cytoplasm. All of the above are true.
Answer:
All the above are true
Explanation:
i need help asap!! “Describe the structure of DNA. Be sure to include information about the directionality of the strands and how the molecules are bonded together.”
Answer:
DNA is consist of two strands that are coiled together to form a double helix structure in which both the strands are anti-parallel. The direction of one strand is from 5' to 3' and the other has 3' to 5'.
DNA is made up of nucleotide, phosphate group and deoxyribose sugar. The two anti-parallel strands on DNA are composed of nucleotide and bonded with hydrogen bond. There are four nitrogenous bases present in each nucleotide e adenine (A), guanine (G), Thymine (T) and cytosine (C). Where A and T are bonded with double hydrogen bond and G and C are bonded with triple hydrogen bond present complementary to each other in both the strands.
sugar -phophate group forms the backbone of the DNA.
which food contains the material needed to build muscle, but does not contain the macromolecules that give quick energy? A. bread B. steak C. broccoli D. potatoes
True/False Indicate whether the statement is true or false. ____ 1. Hydrogen is an example of an atom. ____ 2. Medical imaging refers to invasive techniques and processes. ____ 3. Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge. ____ 4. Fructose found in fruit and honey is an example of a disaccharide. ____ 5. Phospholipids are lipids that contain cholesterol. ____ 6. Enzymes are specialized protein molecules found in all living cells. ____ 7. RNA structures are unique for each person and so are usable as a means of identification. ____ 8. Another name for a base is alkali. ____ 9. Buffers help a living organism to maintain a constant pH value. ____ 10. Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease.
Answer:
Following the answers are given below:-
Explanation:
The first statement is True. The second statement is False. The third statement is True. The four statements are False. The five statements are False. The six statements are True. The seven statements are False. The eight statements are True. The nine statements are True. The ten statements are True.1. Hydrogen is an example of an atom. True; 2. Medical imaging refers to invasive techniques and processes. False; 3. Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge. True; 4. Fructose found in fruit and honey is an example of a disaccharide. True;
5. Phospholipids are lipids that contain cholesterol. False; 6. Enzymes are specialized protein molecules found in all living cells. True; 7. RNA structures are unique for each person and so are usable as a means of identification. True; 8. Another name for a base is alkali. True;
9. Buffers help a living organism maintain a constant pH value. True; 10. Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease. True.
1. Hydrogen is the simplest atom, consisting of a single proton and a single electron.
2. Medical imaging refers to non-invasive techniques and processes that use radiation to create images of the body's internal structures.
3. Electrolytes are ions that can conduct an electrical charge. They are responsible for the acidity or alkalinity of solutions, which is measured by pH.
4. Fructose is a disaccharide, which means that it is made up of two sugar molecules. The two sugar molecules in fructose are glucose and fructose.
5. Phospholipids are lipids that do not contain cholesterol. Cholesterol is a type of lipid that is found in animal cells, but it is not found in plant cells.
6. Enzymes are proteins that speed up chemical reactions in living cells. They are essential for life, and they are found in all living cells.
7. RNA structures are unique for each person, and they can be used as a means of identification. This is because the sequence of nucleotides in RNA is different for each person.
8. A base is a substance that can neutralize an acid. Bases are also called alkalis.
9. Buffers are substances that help to keep the pH of a solution constant. They do this by absorbing or releasing H+ ions, which are responsible for acidity.
10. Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease. Radioactive isotopes are atoms that have an unstable nucleus. When they decay, they release radiation that can be used to image or treat disease.
Therefore, the correct options are:
1. True
2. False
3. True
4. True
5. False
6. True
7. True
8. True
9. True
10. True
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Will reward 50 points, 5-star rating, and brainiest When a child is born with down syndrome, when did the mutation occur? A. During Mitosis B. During Meiosis C. During Translation D. Transcription
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▹ Answer
B. During Meiosis
▹ Step-by-Step Explanation
During Meiosis is when the cell division occurs, and this is generally where the mutation will be caused. Down syndrome is caused from extra material from chromosome 21. It is generally caused by having 3 copies, rather than the regular two copies it should have.
Hope this helps!
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Answer: The answer is B
Explanation: it is because something forgot to seperate
HELP!! Orchids are flowering plants that depend on bees for pollination. A population of orchids in a rainforest has reached its carrying capacity. The size of the rainforest's bee population is a limiting factor of the orchid population. What will happen to the orchids' carrying capacity if the rainforest's bee population decreases?
Answer:
The carrying capacity will decrease because the level of the limiting factor decreases.
Explanation:
Decrease in available resources lead to decrease in carrying capacity of an environment for a population. The rainforest's bee population is a limiting factor for orchid population, decrease in bee population will lead to decrease in orchid population.
Hence, the carrying capacity will decrease due to decrease in limiting factor as the number of orchids that can be sustained by the environment would decreases.
Fill in the missing atoms or groups in the skeletal structure below so that it is a monounsaturated fatty acid with 10 carbons total. Use chemical formulas for atoms and substituents.
Answer:
The correct answer is attached as image with answer.
Explanation:
Monounsaturated fats are simply fatty acid molecules that have one unsaturated carbon bond or also known a double bond while other carbon atom with single carbon atom.
The most common monounsaturated fatty acids are with 12 to 22 carbon atoms however, there are 10 carbon atom also present. The missing and correct atoms with groups are shown in image with total 10 carbon atoms. The counting of the atoms start with the atom with arrow.
Which is a part of the cell theory?
Answer:
1.All living things are composed of cells.
2.Cells are the basic units of structure and function for living things.
3.All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.
What is the function of the nucleus?
O A. To store the cell's genetic material
OB. To combine amino acids to make proteins
O C. To control what enters and leaves the cell
D. To provide the cell with energy
Answer:
A. To store the cell's genetic material
Explanation:
The nucleus stores DNA which is the genetic material.
Which of these factors is involved in earthquake formation?
plates getting larger
rocks breaking
stress that decreases
faults that remain stationary
Answer:
B
Explanation:
Trust
Answer:
B I THINK
Explanation:
Please it is B
The theory of evolution through natural selection unites biology in ways that are not usually evident to most peoplE) A non-biologist might look at a lake and see ducks swimming and dragonflies flying. When a biologist looks at the lake, he/she probably would see
Answer:
Organisms better adapted to the environment
Explanation:
According to the evolutionary theory proposed by Charles Darwin in "The Origin of Species" (1859), the fittest organisms are those that are better suited to the environment (i.e., have a higher fitness). These organisms have more chances to survive and reproduce, and thereby they have also more chances to leave their genes in the next generation. This process is the central concept of evolution, and it is called natural selection. In consequence, evolution produces phenotypic changes or 'adaptations' that are inherited by organisms over generations, and certain traits are lost during this process.
Which correctly lists three properties that are used to identify minerals? luster, weight, streak magnetism, size, weight size, weight, luster streak, luster, magnetism
Answer:
D.
Explanation:
just took the test
Answer:
D
Explanation:
No explanation .
Write the 10 examples of non flowering plants.
Answer:
1 MONEY plant
2 Mosses.
3 Lichens.
4 Ferns.
5 Horsetails.
6 Conifers.
7 Cycads.
8 Ginkgo.
9 liverworts.
10 cub mosses.
how do babies absorb in the womb absorb glucose
How are tumor cells different from normal cells? a. tumor cells use meiosis to replicate b. tumor cells are haploid and other cells are diploid c. there are no chromosomes in tumor cells d. mitosis is not regulated in tumor cells
Answer:
d. mitosis is not regulated in tumor cells
Explanation:
Cancer cells are cancer because they have unregulated/ uncontrolled growth, and this happens when we have unregulated mitosis (which is cell growth/division)
Answer:
D
Explanation:
Cancer cells have more genetic changes compared to normal cells, it may be a result in cancer, but not all changes cause cancer.
Which statement BEST describes the relationship between MPF and the cell cycle? A. Cyclin binds with an enzyme to produce MPF Cyclin, and as its concentration rises, it promotes mitosis. B. Cyclin binds with a factor to produce MPF enzyme, and as the enzyme's concentration decreases, it promotes mitosis. C. The MPF Cyclin concentration remains constant, as the rise and fall of the MPF enzyme controls the cell cycle. D. The MPF Cyclin concentration increases and decreases in a cycle, but does not control the cell cycle.
Answer: Option A
Explanation:
Cyclin binds with an enzyme to produce MPF Cyclin, and as its concentration rises, it promotes mitosis.
Therefore, cyclin binds with a factor to produce MPF enzyme, and as the enzyme's concentration decreases, it promotes mitosis; the MPF Cyclin concentration remains constant, as the rise and fall of the MPF enzyme controls the cell cycle; the MPF Cyclin concentration increases and decreases in a cycle, but does not control the cell cycle are not best described the relationship between MPF and cell cycle.
Answer:
A. Cyclin binds with an enzyme to produce MPF Cyclin, and as its concentration rises, it promotes mitosis.
Explanation:
help
why is using methylene blue as a stain necessary???
Which substance is a nucleic acid?
Answer:
DNA and RNA
Explanation:
The term nucleic acid is the overall name for DNA and RNA. They are composed of nucleotides, which are the monomers. They are made of three components -- a 5-carbon sugar, a phosphate group and a nitrogenous base.
make a poster to create awareness about conservation of plants and animals
Answer:
Plz Click on the link below
Explanation:
A chromosome’s structure is what it is made of and how it is organized. Its function is what it does. How does knowing about the structure and function of chromosomes help to explain variation in sexually reproducing organisms?
Answer:
Chromosome, the microscopic threadlike part of the cell that carries hereditary information in the form of genes. A defining feature of any chromosome is its compactness. For instance, the 46 chromosomes found in human cells have a combined length of 200 nm (1 nm = 10− 9 metre); if the chromosomes were to be unraveled, the genetic material they contain would measure roughly 2 metres (about 6.5 feet) in length. The compactness of chromosomes plays an important role in helping to organize genetic material during cell division and enabling it to fit inside structures such as the nucleus of a cell, the average diameter of which is about 5 to 10 μm (1 μm = 0.00l mm, or 0.000039 inch), or the polygonal head of a virus particle, which may be in the range of just 20 to 30 nm in diameter.
Energy is released from ATP when every phosphate bond is broken. the last phosphate bond is broken. all three phosphate bonds are formed. the last phosphate bond is formed.
Answer:
the last phosphate bond is broken
Explanation:
ATP, is a chemical molecule with the name, Adenosine triphosphate. It is the energy currency of a living cell usd to drive many cellular processes in the body. ATP is produced during the process of cellular respiration.
Adenosine triphosphate (ATP) has an Adenosine molecule (Adenine base and a ribose sugar) and three phosphate groups. However, the energy in ATP is harnessed for utilization when the bond that binds the third phosphate group is broken.
The breaking of the last phosphate bond releases a phosphate group and an Adenosine diphosphate (ADP) molecule.
Answer:
D
Explanation:
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