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KiRa [710]
3 years ago
6

What are the main functions of polysaccharides in plants?

Biology
1 answer:
Doss [256]3 years ago
7 0

Answer:

<u>Provide support and energy</u>

Explanation:

Polysaccharides are made up of many monosaccharides the common types include starch, cellulose, glycogen, chitin and lignin. Starch is present as stored food in plant tissues and can be hydrolysed into monosaccharides to provide energy.

Cellulose and chitin are structural components. They give the plan cells their definite shape and the exoskeleton in arthropods respectively.

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When calculating the rate of photosynthesis, why was it necessary to subtract the rate of O2 change in the light minus the rate
Nezavi [6.7K]

Answer:

plants process oxygen for respiration as an aerobic organism and also produces it, light can regulate this metabolism, which means that in the presence of light oxygen generation occurs as well as consumption and when there is darkness only consumption will occur Thus, when calculating the amount of oxygen that a plant produces during photosynthesis, it will be necessary to subtract the oxygen it consumes, from which it is deduced that the rate of oxygen consumption will not have variations and will be the same in the day and in the At night, so the change of oxygen in the dark is subtracted with the change of volume of oxygen in the light phase

6 0
3 years ago
genetics and the environment both play roles in cell differentiation. which is the best example of an environmental factor influ
In-s [12.5K]

Answer: etiolation of plant growth in shade, with fast growing cell without chloroplasts. Out of shade, cell differentiate again to produce photosynthesising cells

Explanation: It is a subjective decision as to what is ‘best’. Good examples are plant responses to changes in the nutrient supply.

when soil nitrogen is depleted some plants, such as legumes, grow nodules on their roots, with cells that release chemical signals to attract nitogen fixing bacteria.

Lack of light induces etiolation in many plants. New cells elongate and develop without chloroplasts, with rapid cell division exhibiting gravitropism, extending upward. When they grow beyond the shade area, cell differentiation changes again, to produce photosynthesising cells.

7 0
3 years ago
Help with bottom part don’t answer this unless u know the actual answer pls help due soon
Genrish500 [490]

Answer:

Explanation:

You can't exactly tell what's going on in the picture if there is no context at all.

6 0
3 years ago
Read 2 more answers
How do red worms maintain homeostasis?
Anettt [7]
Earthworms maintain homeostasis by having a dual circulatory system, which contains the closed circulatory system and the coelomic fluid for respiratory gases, food and waste.
7 0
3 years ago
During the initial development stages of cleavage, what are the individual cells called?
larisa [96]

Answer:

The correct answer is option 3, that is, blastomeres.

Explanation:

A kind of cell formed by cleavage of the zygote post-fertilization is called a blastomere, it is an important constituent of blastula formation. The formation of blastomere starts instantaneously post-fertilization and is carried through the initial week of the development of embryo. The division of zygote after fertilization is regarded as the first mitotic outcome of the fertilized oocyte. These mitotic divisions take place spontaneously and lead to a grouping of cells known as blastomeres.

6 0
3 years ago
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