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3 years ago

If a plant’s stomata are closed and no transpiration is occurring, then

Biology

1 answer:

eduard3 years ago

4 0

Answer:

The stomata are present on the plant body which are mainly regulated by the chemical balance( sugar level) inside the stomata's body. As, during the transpiration process the loss of excessive amount of water occurs which is required for the osmoregulation of the plants body.
Now, when the stomata are mostly light sensitive and it loses it turgidity then the cells become much flattened and thus it closes to stop the process of transpiration. Which, brings about the increase of the water level or balance inside the plants body, which is required for better or proper mechanism.
And, for that reason the requirement or need for more water molecules will end, as the plant roots will now stop absorbing any more water molecules from the soil.

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What compound is found at the reaction center of a photosystem?

Nadusha1986 [10]

D. Chlorophyll a

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3 years ago

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Which compound is orgaic

Alex_Xolod [135]

A compound that has Carbon and Hydrogen

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2 years ago

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In the ecological pyramid organism A represents

Nina [5.8K]

Answer:

photosynthetic organisms

Explanation:

These are autotrophs organisms that use carbon dioxide and water, and with the help of solar energy, they produce nutritive material and release oxygen.

This is known as the process of photosynthesis and it is done in the organs of the plants that contain chloroplasts.

7 0

3 years ago

Tom and Jerry start at the same location. Tom is travelling due east at a velocity of 5 m/hr. Jerry is travelling due northwest

Sedaia [141]

Answer:

The distance between them is changing at the speed of 10.16 m/hr

Explanation:

Consider the sketch attached below.

The question is simply asking to calculate the resultant of the two velocities.

To get the angle between them, we simply use the coordinates of the two vectors to determine the angle between them.

90 + 45 = 135°

from the cosine rule we have

$c^{2}$ = $a^{2}$ + $b^{2}$ - 2abcosθ

$c^{2}$ = $6^{2}$ + $5^{2}$ - 2 ×6×5×cos 135

$c^{2}$ = 103.426

c = $\sqrt{103.426}$

c = 10.17 m/hr

6 0

3 years ago

Four structural domains of tRNA transcripts include the T loop, the D loop, the anticodon loop, and the

umka2103 [35]

Answer:

The correct answer will be option-B.

Explanation:

Transfer RNA or tRNA is the RNA molecule associated with the protein synthesis as it adds the specific amino acids to the nascent growing polypeptide.

The structure of the tRNA molecule resembles the shape of a clover leaf and is known as the clover leaf model. The structure contains hydrogen-bonded stems and associated loops. The stems include acceptor stem which posses CCA 3'-terminal group to attach amino acids. The anticodon loop contains an amino acid attachment site. T and D loop contains modified pseudouridine and dihydrouridine.

Thus, Option-B is the correct answer.

6 0

3 years ago