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coldgirl [10]
3 years ago
13

Which of the following describes the role that enzymes play in the process of metabolism?

Biology
1 answer:
dedylja [7]3 years ago
4 0

Answer:

D

Explanation:

Enzymes are chemical catalysts they speed up/ increase the rate of the reaction by lowering the activation energy (minimum energy required for reaction to actually occur).

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Do stomata close when there is a lack of water in soil or a lack of carbon dioxide in the atmosphere?
Arte-miy333 [17]

<em>When water is abundant:</em>

-Temporal regulation of stomata is used:

Open during the day

Closed at night

- At night, there is no photosynthesis, so no demand for CO2 inside the leaf.

- Sunny day = demand for CO2 in leaf is high = stomata wide open.

- As there is plenty of water, plant trades water loss for photosynthesis products.

-  If the leaf's CO2 concentration is low, the stomata will stay open to continue fueling photosynthesis.

- High temperatures will also signal stomata to close.

- When limited water is available in the soil, plants try to prevent water loss.

5 0
3 years ago
Realizează trei lanțuri trofice utilizând speciile care trăiesc în grădina de legume. Stabilește locul omului în lanțurile trofi
faltersainse [42]

Answer:

Grass - grasshopper- man - bacteria.

Grass - rabbit- man - maggot.

Grass - cow - man - bacteria.

Explanation:

In these food chains, grass is the producer that provides food to primary consumer or herbivores such as grasshopper, cow and rabbit. These primary consumers are the food of secondary consumer such as human while when human die, it become the food of worms and decomposers such as maggot, bacteria etc. the nutrients releases by decomposers are used by producers for the production of food for themselves.

5 0
3 years ago
List the three nutrients typically found in greater quantities in prenatal supplements compared to regular vitamin/mineral suppl
solong [7]
Iron, Calcium and Folate are <span>the three nutrients typically found in greater quantities in prenatal supplements compared to regular vitamin/mineral supplements: </span>
8 0
3 years ago
Which of the following is not a step involved in critical thinking
Mama L [17]
Non-critical thinking appears to be more benifentail to the individual in education. 
3 0
3 years ago
Read 2 more answers
What's the waste product of electrons and pyruvate combining in fermentation? A. Sulfuric acid B. Oxalic acid C. Citric acid D.
babunello [35]

Answer:

D. Lactic acid

Explanation:

Fermentation takes place When a molecule of glucose is broken down into pyruvate molecules. Fermentation is another source of gaining energy from cellular respiration.

During fermentation, electrons from electron transport chain combine with pyruvate molecules, and this reaction further proceeds in the presence of endogenous organic electron receptors. These organic electron receptors form waste products.

Common products synthesized during fermentation are lactic acid, lactose, and hydrogen. Lactic acid is formed when NADH transfers an electron to pyruvate molecule.

8 0
3 years ago
Read 2 more answers
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