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Over [174]
3 years ago
11

Observe the two plants. Which cellular change affected the structure of second plant?

Biology
1 answer:
OLEGan [10]3 years ago
4 0

Answer:

The correct answer is option D which is release of water from the vacuoles.

Explanation:

The difference in second plant from the first one is rigidity. Second one is wilted and not rigid. This is due to the release of water from the vacuoles in the cell of plants.

Vacuoles are present in the center of plant cell. They are usually filled with water and provide structural support to the cell.

In the absence of water filled vacuoles, plants shoots are wilted as in case of second plant.

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The pigment plants have that they use for photosynthesis is called _________.
VladimirAG [237]

Answer:

chlorophyll

Explanation:

The mechanism by which light energy can be transformed into chemical energy by synthesis of organic compounds is chlorophyll, a member of the most significant pigment class involved in photosynthesis. In nearly all photosynthetic species, e.g. green plants, cyanobacteria and algae, the use of chlorophyll is identified. It consumes light energy and is then used for the conversion to carbohydrates of carbon dioxide.

4 0
3 years ago
Describe why translation of an mrna can start before transcription of the mrna is complete in prokaryotes but not in eukaryotes.
Lera25 [3.4K]

Answer:

<h2>In prokaryotes both transcription and translation occurs in cytoplasm (they lack true nucleus) while in eukaryotes, transcription occurs in nucleus while translation occurs in cytoplasm.</h2>

Explanation:

1. Prokaryotes do not have nucleus, so both transcription and translation occurs in the cytoplasm, therefor translation start before the completion of transcription.

2. While in eukaryotes, they have true nucleus, and there protein synthesis machinery (ribosomes) and  is situated in the cytoplasm.

So in eukaryotes transcription occurs in the nucleus, and after the completion of transcription, mRNA is processed and finally export into cytoplasm for translation.

3 0
4 years ago
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Stolb23 [73]

Answer:

<em>Starch</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>answer </em><em>.</em><em> </em><em>.</em><em> </em><em>.</em>

7 0
3 years ago
Read 2 more answers
Closure of the tricuspid valve:____.
kodGreya [7K]

Answer:

The first heart sound (S1) represents closure of the atrioventricular (mitral and tricuspid) valves as the ventricular pressures exceed atrial pressures at the beginning of systole (point a). S1 is normally a single sound because mitral and tricuspid valve closure occurs almost simultaneously.

Explanation:

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Answer:

You need an iron pickaxe

Explanation:

thats how the game was made

6 0
3 years ago
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