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maxonik [38]
2 years ago
13

Help

Biology
1 answer:
motikmotik2 years ago
6 0
Facilitated diffusion of substances crossing the cell (plasma) membrane takes place with the help of proteins such as channel proteins and carrier proteins.
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explain what DNA is and how the model of DNA developed .You should include information on how genetic information is carried ,as
jolli1 [7]

Answer:

DNA is a Deoxyribose nucleic acid and our Dna strand is double helix

Explanation:

I kow this because if you close you see two strands

7 0
3 years ago
An example is maintaining homeostasis at the system level would be_____.
Triss [41]
THE ANSWER WOULD BE A because homeostasis is about maintaining something so something doesnt shut down example maintaining body temperature.
4 0
3 years ago
Which zone is most likely to have insects and very little plant life?
julsineya [31]

Answer:

The right answer is D. The benthic zone

Explanation:

The limnetic and the littoral zone  all get a lot of sunlight so there are a lot of plant life. The pelagic zone hosts a variety of plant species so this cannot be the correct answer. That leaves us with the benthic zone.

Benthic meaning inhabiting bottom areas or substrates. Plant life at the bottom is very scarce but there are a lot of insect species.

8 0
3 years ago
It appears that the same lifestyle factors that contribute to the development of _____ also increase the risk for vascular demen
STALIN [3.7K]
It appears that the same lifestyle factors that contribute to the development of Cerebrovascular disease also increase the risk for vascular dementia. Vascular dementia describes the problems with reasoning, planning, judgement, memory and other thought processes caused by brain damage from impaired blood flow in the brain. 
5 0
3 years ago
HELP ASAP
ratelena [41]
<span>The answer is A. This is because the P53 gene is involved in a cell cycle regulation and is thought to hold the cell in a particular phase until DNA defects are repaired. </span>
8 0
3 years ago
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