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Nikolay [14]
3 years ago
13

Scientists studying hair samples can tell how long it has been since someone dyed or bleached their hair.

Biology
1 answer:
NISA [10]3 years ago
8 0
False. It shows the DNA of someone.
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Given that the cytoplasmic membrane has a fluid dynamic nature, with phospholipids and proteins able to move about within the bi
lozanna [386]

Answer:

Option A, hydrophilic/hydrophobic forces

Explanation:

The cytoplasmic membrane consists of phospholipids which have both the hydrophilic and hydrophobic regions and hence are amphipathic in nature. Due to this structural complexity, phospholipids produces barrier both at the interior and exterior of cell and hence form a membrane bilayer under suitable conditions. For instance when it is in water, it arrange itself in a way that their hydrophobic tails lie at the inner side and hydrophilic heads face outer side.  

Hence, option A is correct

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3 years ago
When a plant stem bends towards sunlight, what change does auxin promote in the cells on the
Rina8888 [55]
I think that it would be A translocation
5 0
4 years ago
biết gen A quy định hat vàng trội hoàn toàn so với gen a quy định hạt xanh nằm trên NST thường . cho cây vàng tự thu phấn , kiểu
goldfiish [28.3K]

Answer:

YY là kiểu gen trội đồng hợp tử (2 alen Y). Kiểu hình của kiểu gen này có màu hạt vàng. Yy là kiểu gen dị hợp tử (một alen trội, một alen lặn). Kiểu hình của kiểu gen này có màu hạt vàng.

Explanation:

6 0
3 years ago
Which of the following happens in the G1 Phase of the Cell Cycle?
IgorC [24]

Answer:

DNA REPLICATES

Explanation:

During G1 phase, the cell grows in size and synthesizes mRNA and protein that are required for DNA synthesis. Once the required proteins and growth are complete, the cell enters the next phase of the cell cycle, S phase.

3 0
3 years ago
Read 2 more answers
Crack is considered more addictive than cocaine because it is ________.
matrenka [14]

The reason why crack is more addictive than cocaine was because it is smokable of which cocaine could not do and by smoking it, it easily reaches the brain—making a person addicted to it than the cocaine in which is not even smokable.

8 0
3 years ago
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