Answer:
2
Explanation:
Carbon dioxide
The correct illustration of the photosynthesis is 1. Carbon dioxide, 2. Oxygen, 3. Glucose, and 4. Water.
What is the process of photosynthesis?Plants absorb water (H₂O) and carbon dioxide (CO₂) from the soil and atmosphere during photosynthesis.
Water is oxidized, which means it loses electrons, while carbon dioxide is reduced, which means it acquires electrons, inside the plant cell. Water is converted into oxygen and carbon dioxide into glucose in this process.
The four stages of photosynthesis required to proceed in a plant include light absorption, electron transfer, ATP production, and carbon fixation.
Therefore, the correct illustration of the photosynthesis is 1. Carbon dioxide, 2. Oxygen, 3. Glucose, and 4. Water.
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everyone is born with certain skills and aptitudes is an example of a:______.
Everyone is born with certain skills and aptitudes is an example of a fixed mindset .
A fixed mindset is a conviction that one's capacities and qualities are fixed and can't be changed. It is something contrary to a development outlook, which is the conviction that one's capacities and qualities can be created and worked on through exertion and learning.
Individuals with a fixed mindset frequently accept that they are brought into the world with specific capacities and limits, and that they can't transform them. They might stay away from difficulties and new encounters since they fear coming up short or looking uncouth. They may likewise tend to surrender effectively when confronted with impediments, since they accept that they come up short on essential abilities or ability to conquer them.
Then again, individuals with a fixed mindset accept that they can create and work on their capacities through exertion and learning. They are bound to embrace difficulties and new encounters, and to see disappointment as a potential chance to learn and develop. They are additionally stronger and industrious when confronted with obstructions, since they accept that they can beat them with difficult work and assurance.
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am experiment to determine the amount of humus in a soil sample
The Walkley-Black procedure is one experiment that can be used to estimate the quantity of humus inside a soil sample.
Why not define soil?The material that covers the earth's surface, known as soil, is created as a result of mineral weathering. It's primarily composed of mineral atoms, organic substances, air, water, & living things, each of which combine slowly yet continuously.
Why is soil so crucial?Numerous essential services are provided by soil for the both individuals and the environment. We get our food from land, which also purifies our drinking, protects us from floods, and battles hunger. Due to the enormous amounts of carbon it collects and stores, it is also essential to fight climate change. Without plant productivity, food security is impossible.
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lipids are the only class of macromolecules that contain group of answer choices phosphate groups.fatty acids.amino acids.nucleic acids.
Lipids are the only class of macromolecules that contain fatty acids.
Lipids are hydrophobic organic compounds that include fats, oils, sterols, and waxes. Fatty acids (FAs) are essential lipid building components that can be classed as unsaturated or saturated depending on the presence or lack of carbon-carbon double bonds in their nonpolar chains.
Fatty acids are frequent components of complex lipids, and their length and the presence, amount, and location of double bonds in the hydrocarbon chain vary.
Lipids are hydrocarbon-containing compounds that serve as the foundation for the structure and function of living cells. Lipids include fats, oils, waxes, vitamins (such as A, D, E, and K), hormones, and the majority of the cell membrane that is not formed of protein.
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which of the following is a way that the activity of an enzyme can be modified? a. allosteric activation b. allosteric inhibition c. covalent activation (e.g., by phosphorylation) d. covalent inhibition (e.g., by phosphorylation) e. all of the choices are correct
The activity of enzymes can be modified by all of the given ways: (a) allosteric activation; (b) allosteric inhibition; (c) covalent activation (d) covalent inhibition.
Enzymes are the proteinaceous molecules that enhance the rate of chemical reactions by many folds. The enzymes are able to do so by lowering down the activation energy of the reactions. Thus, they are the biological catalysts.
Allosteric activation of enzymes is the phenomenon where a substance binds to the enzyme at a site other than the active site and therefore enhances its efficiency to bind better to the substrate. The site other than the active site on the enzyme is known as allosteric site.
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the most important mineralcorticoid regulator of electrolyte concentrations in extracellular fluids is .
The most important mineralocorticoid regulator of electrolyte concentrations in extracellular fluids is aldosterone. Hence, the correct answer is aldosterone.
What hormone regulates electrolyte levels?Your adrenal glands secrete a hormone called aldosterone (ALD), which helps control blood pressure by controlling the levels of sodium and potassium in your blood. Sodium and potassium are electrolytes.
A steroid hormone produced by the adrenal cortex (the outer layer of the adrenal gland). It helps to maintain the proper balance of water and salts in the kidney by keeping sodium inside and releasing potassium from the body. The hormone aldosterone is overproduced in hyperaldosteronism, resulting in fluid retention, elevated blood pressure, weakness, and, in rare cases, brief paralysis. Hyperaldosteronism can be caused by certain diseases or by an adrenal gland tumour.
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The complete question is: What is the most important mineralcorticoid regulator of electrolyte concentrations in extracellular fluids?
how many times does a contractile vacuole contract in one minute?
The number of contractions of a contractile vacuole in one minute depends on the type of organism, but it usually ranges from 3 to 10 times per minute. The contractile vacuole is a specialized organelle found in some single-celled organisms such as protozoans.
basically It is filled with a liquid, and its main function is to pump excess water out of the cell to maintain osmotic balance. When the vacuole reaches a certain size, it will contract and expel some of the liquid, thus helping regulate the cell’s internal environment. The frequency of contraction can vary based on the needs of the organism.
For instance, if the environment is exceptionally dry, the contractile vacuole may contract more often to expel more water. Conversely, if the environment is wet, the vacuole may contract less often. Additionally, some species, such as the amoeba, have multiple contractile vacuoles, and each will contract at a different rate depending on the organism’s needs.
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What does gene expression result in?
chromosome pairing
protein preservation
cell division
protein synthesis
Answer:it is A
Explanation:
a person is walking in the woods and runs into a mother bear and her cubs. which gland immediately activates?
Under a stressful situation, the hypothalamus responds by sending signals to the pituitary gland and suprarenal gland to secrete adrenaline and noradrenaline to the bloodstream. The pituitary gland is the one that immediately activates.
How does the body responds to stressful situations?The sympathetic nervous system, SNS, prepares the body for stressful situations that require an alert state or strength. It is responsible for the neural fight-or-flight response to stress.
The hypothalamus is in charge of stress responses. If the individual is exposed to a stressful situation, the hypothalamus sends signals to the pituitary gland and the adrenal medulla (suprarenal gland). The adrenal medulla secretes the neurotransmitters and hormones adrenaline and noradrenalin into the bloodstream. These hormones prepare the body for a stress response by increasing heart-biting frequency and strength, increasing blood pressure, stimulating respiration, and dilating respiratory tracts.
Once the threat factor is over, the body goes back to a balanced state.
When a person that is walking in the woods runs into a mother bear and her cubs, the gland that immediately activates is the pituitary gland and then the suprarenal gland.
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what is the primary function of hormones? what is the primary function of hormones? influence metabolic activity of glands by electrochemical impulses act as chemical messengers that regulate the metabolic function of cells in the body function as enzymes that catalyze the breakdown food molecules
Option 1 is Correct. Work as chemical messengers that control how the body's cells use energy. They serve as chemical messengers between various cells in our body as a result.
Endocrine glands create hormones, which are then released into the bloodstream and carried there until they reach their intended tissues. Once within the target cells, they have a specific biological or physiological function.
Insulin is a hormone, for instance. When blood sugar levels are elevated, the pancreas secretes insulin, which encourages the body's cells to absorb glucose, bringing blood sugar levels down and back to normal. The main purpose of hormones is to influence cellular metabolism by modifying the permeability or potential of the plasma membrane, promoting the production of enzymes, and activating.
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Correct Question:
What is the primary function of hormones? 1) act as chemical messengers that regulate the metabolic function of cells in the body 2) influence metabolic activity of glands by electrochemical impulses 3) activate extracellular enzymes function as enzymes that catalyze the breakdown food molecules
phosphofructokinase is a key enzyme in glycolysis. high levels of atp or citrate or low ph can decrease the enzymes activity. explain why this is beneficial to the cell.
Phosphofructokinase is beneficial to the cell because it is allosterically repressed by ATP .
The catalyst catalyzed move of a phosphoryl bunch from ATP is a significant response in a wide assortment of organic processes.[1] Phosphofructokinase catalyzes the phosphorylation of fructose-6-phosphate to fructose-1,6-bisphosphate, a key administrative move toward the glycolytic pathway. It is allosterically restrained by ATP and allosterically enacted by AMP, in this way demonstrating the phone's vivacious necessities when it goes through the glycolytic pathway.
Phosphofructokinase exists as a homotetramer in microorganisms and warm blooded creatures (where every monomer has 2 comparable spaces) and as an octomer in yeast (where there are 4 alpha-and 4 beta-chains the last option, similar to the mammalian monomers, having 2 comparable areas. This protein might utilize the morpheein model of allosteric guideline.
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Based on energy needs, which is NOT included in the group? A. Na/K pump. b. Pure water flows into the celery sticks and inflates them. c. GLUTS transport glucose molecules from the bloodstream into cells. d. Spraying Lysol in one room and over time smell it in a room that is not sprayed.
Pure water that flows into celery sticks and inflates them based on energy requirements is not part of the group. The correct answer is option(b).
Energy is outlined as the talent to do work – that, for physical science purposes, may be understood as the talent to cause some somewhat change. Energy can take many various forms: exemplification, we're all adept at light, heat, and electrical energy.
All living organisms need strength to evolve and hatch, assert their structures, and put themselves in the place of their surroundings. Metabolism is the set of growth-experiencing synthetic processes that enable structures to translate the synthetic strength stocked in molecules into a strength that may be secondhand for natural processes.
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as protons flow back across the membrane, atp synthesis is catalyzed by: proton-motive force substrate level phosphorylation reduction of oxygen electron transport pumping of protons
When protons pass across the membrane again, electron transport serves to catalyse the creation of ATP. As a result, electron transport is the appropriate answer.
What precisely do we mean when we say protons?An atom's nucleus includes protons, which are positively charged particles. Protons, electrons, and neutrons make up an atom. The nucleus, which is in the centre of an atom, contains the whole weight of the atom. Every atom's nucleus contains a proton, a subatomic particle. The atom's electrical charge is positive and the inverse of the charge of the electron.
Ernest Rutherford discovered the proton in the early 1900s. At the moment of the first atom's "breaking," which was caused by a nuclear reaction brought on by his investigation, he found protons.
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The complete question is: What catalyzes ATP synthesis when protons flow back across the membrane?