Answer:
fourth option (D)
Explanation:
Equalizing the concentration of water inside and outside the cell
Active transport has been defined as the movement of ions and molecules at the expense of energy. "They move the substances against the concentration gradient." Thus, option C is correct.
What is active transport?Active transportation has been defined as the process that moves substances across the plasma membrane of the cell. It uses enzymes and cellular energy to drive the ions and molecules in and out of the cell.
The active transport has been moving the ions from the region low in the electrochemical gradient towards the region that is higher in solute concentration. It moves the substance against the gradient (lower to higher). It uses ATP to move the ions through the protein pump.
Sodium-potassium pump is the best example of the active transport that transports the potassium ions inside the cell and the sodium towards the exterior of the cell. It uses ATP as the fuel that moves ions against the gradient.
Therefore, option C. the active transport moves the ions and molecules from lower to higher solute concentration region.
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Active transport is the movement of materials across a membrane that does not
require energy from the cell.
True
False
PLEASE NEED HELP IN BIO!!! The diagram below represents a biological process involving DNA. What process is represented?
translation
replication
mutation
transcription
Answer:
A
Explanation:
Because
Answer:
B, Replication.
Explantion:
I took the test.
Which of the following statments is true about all cells?
A. They only grown in long strands
B. They are round and hollow
C. They reproduce by dividing
D. They only function when jonied with other cells
Answer: C
Explanation: Cells reproduce and divide through a process called mitosis
describe peptide bonding and provide an example
Answer:
A peptide bond is a covalent bond formed between two amino acids. Living organisms use peptide bonds to form long chains of amino acids, known as proteins. Proteins are used in many roles including structural support, catalyzing important reactions, and recognizing molecules in the environment. A peptide bond is therefore the basis of most biological reactions. Forming peptide bonds is a requirement for all life, and the process is very similar in all forms of life.
Explanation:
Answer:
peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of other molecules.
examples: hormone oxytocin
The following figure shows a plant cell immediately after it has been placed in distilled water (A) and a plant cell that has been in distilled water for several minutes (B). Determine whether each of the following statements is true or false based on this figure.
Drag True or False to the end of each statement.
Plant cell A has lower water potential than cell B.
Plant cell B is isotonic to the fluid in the beaker.
Plant cell B's water potential increased due to an increase in solutes inside the cell.
Plant cell B is at equilibrium with the fluid in the beaker.
Plant cell A has higher water potential than cell B.
Plant cell A is at equilibrium with the fluid in beaker.
Answer:
Plant cell A has lower water potential than cell B. True
Plant cell B is isotonic to the fluid in the beaker. True
Plant cell B's water potential increased due to an increase in solutes inside the cell. False
Plant cell B is at equilibrium with the fluid in the beaker. True
Plant cell A has higher water potential than cell B. False
Plant cell A is at equilibrium with the fluid in beaker. False
Explanation:
Plant cell A has lower water potential than cell B. True
This statement is true because the water potential of A is -2 bars while that of B is zero bars.
Plant cell B is isotonic to the fluid in the beaker. = True
Isotonic solutions have equal water potential. Since the water potential of distilled water is zero and that of plant cell B is zero as well, plant cell B is isotonic to the fluid in the beaker.
Plant cell B's water potential increased due to an increase in solutes inside the cell = False.
An increase in solute inside the cell doe not increase water potential but rather reduces it.
Plant cell B is at equilibrium with the fluid in the beaker. = True
Plant cell B is at equilibrium with the fluid in the beaker because its water potential is zero since the negative solute potential is counterbalanced by the positive pressure potential.
Plant cell A has higher water potential than cell B = False.
Plant cell A has a lower water potential of -2 bars while plant cell B has a higher water potential of zero.
Plant cell A is at equilibrium with the fluid in beaker. = False.
Plant cell A is not at equilibrium with the fluid in the beaker, rather due to its negative water potential, water will move into the cell.
What happens when there is bias in an experiment?
Answer:
Then the experiment can be skewed towards one point of view instead of the solution.
Explanation:
Calibri is the superior font and green is the superior highlighter
type a paragraph describing how the circulatory and respiratory systems work together to deliver oxygen to the body tissue and remove carbon dioxide
The respiratory system brought oxygen to the blood and, by the circulatory system, the oxygen from the blood reaches the heart, and from the heart to the cells.
What is the respiratory system?The respiratory system helps us to respire and reach oxygen to the blood, from there it goes to cells to carry out the process.
The circulatory system circulates the blood to the whole body.
The respiratory system brings oxygen to the blood, and the circulatory system circulates the oxygenated blood to the cells.
Thus, that's how they work together.
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The subject is actually science please answer it’s due soon! i’ll give brainliest
Answer:
weight and texture maybe?
Explanation:
3. A child will have 20 milk teeth. true or false
Answer:
I would say the answer as true.
Explanation:
Most children have a full set of 20 milk of baby teeth by the time they are 3 years old.When they reach 5 or 6, these teeth will fall out, making way for adult teeth.
Which statement best explains the relationship between producer and consumers in terms of energy?
A. Consumer produce glucose that producer's use for energy
B. Consumers convert carbon dioxide into energy
C. Consumers provide energy for producer to undergo aerobic respiration
D. Consumers convert glucose from producers into ATP
Answer:
C
Explanation:
Consumers can't convert glucose, they don't take in carbon dioxide, and they can't produce Glucose, therefore it has to be C
The best explaining statement is that consumers convert the glucose from producers into ATP. So the correct option is D.
What is aerobic respiration?The conversion of fuel, such as fats and carbohydrates, into chemical energy, is known as aerobic respiration. Anaerobic respiration, in contrast, doesn't require oxygen.
All cells employ respiration to convert fuel into energy that can drive cellular functions. Adenosine triphosphate (ATP), a byproduct of respiration, is a molecule that utilizes the energy contained in its phosphate bonds to drive chemical processes. It is frequently referred to as the cell's "money."
Anaerobic respiration is less effective than aerobic respiration and takes significantly longer to create ATP. This is so because the chemical processes that produce ATP make great use of oxygen as an electron acceptor.
Therefore the correct option is D.
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.:: Apps M
Practice - 4.3: Identify the different types of bacterial cell wal...
Q 4.382: Select the correct statement.
A
Autolysin is found in small vesicles that stay inside gram-positive cells waiting for invaders.
B
Autolysin degrades the peptidoglycan of neighboring unrelated bacteria.
C
Autolysin allows gram-positive cells to use nutrients from competing bacteria that it
destroys.
D
Autolysin is an enzyme made by gram-positive cells.
what will be the result of photosystem 2 being exposed to less sunlight?
A. more glucose molecules will be produced
B. the mitochondria will have fewer NADP+ MOLECULES
C more ATP molecules will be produced
D. fewer hydrogen ions will be pumped into the thylakoid
Answer:
The Answer is
D. Fewer Hydrogen ions will be pumped into the thylakoid
BIOLOGY PAPER 2
Eplain the various ways in which a typical cell is adapted to its functions 20 mks
2) Explain how the various specialized cells are modified to carry out their functions in plants and
animals 20 mks
nfortions 20 mke
Answer:
Presence of food vacuoles; involved in digestion of engulfed food; Chloroplasts presence; Are sites for photosynthesis in plant cells; Have cellulose cell wall; rigid as to maintain the shape of the cell and offer mechanical support.
There is justice and fairness in school
Answer:
I disagree
Explanation:
Teachers are always right no matter what. If a teacher claims a student did something wrong, they are automatically believed. There is no due process (innocent until proven guilty) for the student. Another example is about fights. If a student is hit by a bully, that student cannot defend him or herself unless he or she wishes to face reprocussions. In the end, they both get sent to the office and face the exact same punishment even if only one student was at fault.
Observations in the lab that do not require numerical data are known as what type of observations?
Answer:
I think the answer is Qualitative Observations
Will give brainliest, a THX, a friend request, and will rate ur answer
Please answer me fast as possible,
THX
Answer:
Done!
Explanation:
There is not a problem with the model. The atoms are tightly compacted to get, so if you were to cut it in half the split would also be smooth and straight. For example, a grain of salt is rough on the outside, but when you cut it in half the split is smooth. It is the same with the atoms in the model.
Water only moves once the wave's energy starts to collapse true or false ?
Answer:
When particles in water become part of a wave, they start to move up or down. This means that kinetic energy (energy of movement) has been transferred to them. As the particles move further away from their normal position (up towards the wave crest or down towards the trough), they slow down.
Explanation: false because water only moves when the waves energy does not collapse
Which of the following statements is true of chemical bonds?
Both ionic and covalent bonds involve electrons in the innermost shell.
Covalent bonds share electrons between two atoms.
An atom involved in an ionic bond has an equal number of electrons and protons.
Salts are covalently bonded.
The atoms in a molecule of water (H2O) are bonded together with ionic bonds.
The true statement of chemical bonds is covalent bonds share electrons between two atoms.
A covalent bond is a type of interaction that involves one or more pairs of electrons (e-) being shared between two atoms.In a covalent bond, shared electrons are jointly attracted by both atomic nuclei.A double covalent bond occurs when four electrons are shared between two atoms, whereas a triple covalent bond involves the sharing of six electrons.An ionic bond is when one atom gives its electron to another atom, e.g., during the formation of sodium fluoride.In conclusion, covalent bonds share electrons between two atoms.
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Sally and Alonzo are running a race. The table below shows a comparison of the distance traveled by each runner and the time it took them to run those distances.
Answer:
Which racer had the greater average speed? ANSWER: Sally
Calculate Sally's average speed. No units needed. ANSWER: 2
Explanation:
examine the reversible reaction among gases. 3H2 + N2 ~ 2NH3. if pressure were added to this reaction when it is at chemical equilibrium, what would occur?
A. The reaction rate of the forward reaction would decrease in order to decrease the number of particles.
B. The reaction rate of the forward reaction would increase in order to decrease the number of particles.
C. The reaction rate of the reverse reaction would decrease in order to decrease the number of particles.
D. The rate of the reverse reaction would increase in order to decrease the number of particles.
In this process, with the increase in pressure the chemical equilibrium will shift towards right i.e., the reaction rate of the forward reaction would increase in order to decrease the number of particles. Thus, the correct option is B.
What is Haber's Process?
The Haber process is also known as the Haber–Bosch process. It is an artificial nitrogen fixation process used in laboratories. It is the main industrial procedure used for the production of ammonia on a large scale. It is named after its inventors, Fritz Haber and Carl Bosch, who developed this process in the first decade of the 20th century.
In the Haber process, nitrogen and hydrogen gases react together under the conditions of high temperature i.e., about 450ºC and a high pressure in the presence of an iron or molybdenum which act as catalyst in this reaction.
Therefore, the correct option is B.
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What is caused by uneven heating and cooling at the Earth’s surface?
Answer:
Wind
Explanation:
Mr. Torres interacts positively with his students. Which statement describes the BEST evidence to support this?
Answer:
The answer is D He listens to their ideas and asks for their opinion.
Explanation:
Which class of macromolecules store and communicate genetic information
Purpose what questions did your class have at the end of the last investigation
What type of natural selection selects for both the extremes of
a phenotype in a population?
a
Directional selection
b Stabilizing selection
C Disruptive selection
Answer:
Disruptive selection
Explanation:
Answer:
Disruptive Selection
Explanation:
describes changes in population genetics in which extreme values for a trait are favored over intermediate values.
If Y = -2 bars and Ys = +2 bars, then Wp =
Answer:
?
Explanation:
Which correctly describes a part of an
atom?
A The electrons are positively charged.
® The neutrons are negatively charged.
C The nucleus does not have a charge.
The protons are positively charged.
Answer:
The protons are positively charged and are present inside the nucleus of an atom
A group of organs that work together forms an organ?
Answer: A group of organs that work together forms an organ system.
Explanation:
what is the process of water moving down through the soil called?
A. evaporation
B. percolation
C. condensation
D. transpiration
Answer:
The answer is B the girl is wright
The process through which the water moves down in the soil is known as percolation. Therefore, option "B" is correct.
What is percolation?The slow movement through a surface that has tiny openings or spaces in it. The tiles prevent water from percolating by sealing off the soil. The value of soil as a crop soil is largely determined by its rate of infiltration which is the rate at which water enters a soil) and percolation (the rate at which water moves through a soil.
These two variables impact the development of normal untamed life environments and the nature and speed of flooding in a given region. The process occurs gradually.
Therefore, the process of percolation is a physical process that helps in water drainage.
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What is a community of organisms and their surroundings? Biome,habitat,food chain,or ecosystem
Answer:
Ecosystem is the correct answer
An ecosystem refers that all living and non living things come to get and support life.
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