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Sophie [7]
3 years ago
12

Plants use cellulose to build strong structures. what is cellulose made of? -proteins linked together -DNA molecules -lipids bon

ded together -simple carbohydrates linked together
Biology
1 answer:
Anna11 [10]3 years ago
3 0
Cellulose is a straight chain polysaccharide which is made up of glucose molecules that are joined together by beta 1,4 glycosidic bonds. Cellulose is the principal structural material of plants and plants use it to build strong structures. For instances, the rigid cell wall of plant cells is made up of cellulose.
Thus, the correct option is D.
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Phytoplankton are the main primary producers on land.
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Answer:

false

Explanation:

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4 years ago
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Name the bond which joins two sachharide molecules
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glycosidic bond

Explanation:

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8 0
3 years ago
QUICK CHECK
slamgirl [31]

Scientists claim that Bisphenol A when ingested may cause brain problems,  behaviour and reproductive development problems in foetus, children and even infants.

Option D.

Explanation:

Bisphenol A was a very common compound to produce polycarbonate bottles. This bottles were very commonly used to produce baby bottles, different beverage containers, different water bottles etc. Until 2010, BPA was allowed as a safe to consume ingredient by WHO but after 2010,they strictly restricted the levels of BPA in food because it has severe ill effects in human body.

Even low amounts of BPA in food can cause hypertension, coronary heart disease, atherosclerosis etc. Although not proven, but BPA is thought to cause cancer. Effects on children and infants are more prominent which can cause problems in development of reproductive structures and brain. Even in adults, the brain problems may lead to change in their behaviors.

5 0
4 years ago
The fight or flight response of the nervous system is promoted by the _______ nervous system:
erastova [34]

Answer:

Sympathetic Nervous System

Explanation:

The main function of the sympathetic nervous system is to stimulate the fight or flight response.

7 0
4 years ago
Lines of evidence from many fields of study, from fossils to DNA sequences, have been important in developing evolutionary theor
daser333 [38]
I think the correct answer would be option A. It is important to have supporting evidence from a variety of fields because it would lend strength to the argument if evidence from a diversity of fields results in the same conclusion. It would make the theory more believable since a number of professionals which know more about that subject has the same conclusions and believe in the same idea. 
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4 years ago
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