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ozzi
3 years ago
10

What are the chances of a father passing a y-linked disorder to his son?

Biology
1 answer:
Virty [35]3 years ago
6 0

Answer:

a: 25%

Explanation:

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HURRY PLEASE I NEED A PARAGRAPH. Describe how cell membranes are selectively permeable.
Simora [160]

Explanation:

Cell membranes are selectively permeable. Some solutes cross the membrane freely, some cross with assistance, and others do not cross at all. A few lipophilic substances move freely across the cell membrane by passive diffusion. ... Large molecules do not cross intact cell membranes, except in certain special cases.

4 0
3 years ago
Coal _____. A.is a renewable energy source B.is made from inorganic material C.takes millions of years to form D.releases fewer
sesenic [268]
Your anwser is C. Hope i helped

7 0
3 years ago
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What Are Some Bad facts About the cytoplasm
Lynna [10]
That its not in the cell or that its just there or that you can't find it anywhere else but in the body outside the cell....
4 0
3 years ago
A 3-year-old male is brought to the emergency room with hypoglycemia following a brief seizure. His parents put him to bed the n
tresset_1 [31]

Answer:

Insulin > Glucagon.

Explanation:

The blood glucose level in the body is maintained by the two hormones known as insulin and glucagon. These hormones are released by the beta cells and alpha cells of the pancreas.

The insulin decreases the blood glucose level whereas glucagon increase the blood glucose level. The individual is hypoglycemic means that he has low blood glucose level in his body. At this condition, the body has high insulin and low glucagon level in the body.

Thus, the answer is Insulin > Glucagon.

6 0
3 years ago
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If thymidine dimers created by UV irradiation persist until DNA replication, DNA polymerase is likely to make a mistake reading
marishachu [46]

Answer:

Thymidine dimers is likely to be repair as soon as it is originated but if left unrepaired then it causes  frame shift mutations.

Explanation:

In case of Bacterium if UV irradiation induces covalent linkage of two thymidine present adjacently to each other or on a single strand to make thymidine dimers.

These either excised via DNA repair enzyme like Endonuclease V and the proof reading activity of DNA polymerase I enzyme help in incorporation of nucleotide by taking the unmutated original strand as a template.

These dimers if not excised before second round of replication than the sequence of newly synthesized strand will be altered. As DNA polymerase III enzyme read thymidine dimers as single thymidine nucleotide and incorporate only 1 adenine in the newly synthesizing complementary strand which results in frame shift mutations

It is the mutation in which reading frame of codons is shifted or altered due to deletion or addition of a single nucleotide.

7 0
3 years ago
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