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loris [4]
2 years ago
15

Biology chapter 12 assessment

Biology
1 answer:
Alinara [238K]2 years ago
6 0

Answer:

what is the question so that I will solve it

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In the nucleus, dna is wrapped around _____ to form _____.
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The answers would be histones; nucleosomes.

Sentence form: In the nucleus, DNA is wrapped around histones to form nucleosomes.
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Most plant leaves contain yellow and orange carotenoids as well as green chlorophylls. Why then are most leaves greenish
sattari [20]

Answer:

Because the leaves contain a greater concentration of green chlorophylls than yellow and orange carotenoids.

Explanation:

Chlorophyll and carotenoids are both pigments found in the cells of organisms like plants. They have differing color range depending on which wavelength of light they absorb and which they reflect. For example, chlorophyll pigment are green because they reflect green light and absorb others.

According to this question, the leaves of most plants contain yellow and orange carotenoids in addition to green chlorophylls but leaves are mostly green. This is because there is an abundant of chlorophyll pigment than any other pigment in the leaves of most plants. Hence, GREEN COLOR conferred by chlorophyll dominates and masks the color appearance of the other accessory pigments like yellow and orange carotenoids.

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1. Why is the water molecule so important to organisms?
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the waters acts as a solvent for chemical reactions and also helps transport dissolved compounds in and out of cells.

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What types of stems are in plants?
Natali5045456 [20]
The answer is All of above
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A segment of DNA that codes for the ability to make one type of protein molecule is knows as an ?
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