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ad-work [718]
3 years ago
7

The cell membrane is described as being fluid because:

Biology
2 answers:
In-s [12.5K]3 years ago
8 0

the membrane lets materials pass through it.

WITCHER [35]3 years ago
7 0

Answer:

B. the membrane lets materials pass through it.

Since the cell membrane is semi permeable in nature.

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13. Which statement below about the periodic table is true?
seropon [69]

Answer yeah

Explanation:

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8 0
3 years ago
If a DNA molecule is found to be composed of 35% thymine, what percentage of cytosine would be expected, and why?
-Dominant- [34]
We use Chargaff's rule to get the answer. [A] + [G] = [C]+ [T].    [A] + [G] + [C] + [T] = 100% Where is A is Adenine, G is Gaunine, T is Thymine and C is Cytosine. In DNA, Adenine always pairs with Thymine, and Guanine always pairs with Cytosine. Therefore if Thymine is 35%, then Adenine will also be 35% to make 70% in total. The remaining percentage will be 100% - 70% = 30%. The 30% will be shared equally among Cytosine and Guanine, at 15% each. Therefore Cytosine will be 15% 
4 0
3 years ago
Tumor-suppressor genes help prevent uncontrolled cell growth. One that is found mutated (and therefore nonfunctional) in more th
Paha777 [63]

Answer:

p53 helps the cells from passing on mutations that lead to DNA damage. Hence, it is known as the guardian angel of the cell as it helps fight against cancer. However, if p53 becomes defective or missing, then the mutations will lead to cancer.

Mutations in the p53 can also cause the tumor-suppressing genes to convert into tumor causing genes. Hence, mutations in such kind of genes can be very harmful for the body.

4 0
3 years ago
If the amount of A is 30% in a strand of DNA, what will be the % of G?
Alona [7]

But this rule rule is applicable only for double stranded DNA molecule. The possibility of Adenine=40% and Thymine=60% is only in single stranded DNA molecule. In the question, the DNA sample referred is a single stranded DNA. hope it helps :D

6 0
3 years ago
Read 2 more answers
Please help me:
Likurg_2 [28]
C. light-years is the best to describe the distance
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