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stiv31 [10]
3 years ago
12

Why must males inherit colorblindness or hemophilia from their mothers?

Biology
1 answer:
sdas [7]3 years ago
7 0
Men must inherit colorblindness or hemophilia from their mothers because colorblindness and hemophilia are located on the X chromosome, which are inherited from their mother.
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DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that join nucleotides together. What would first happen
Free_Kalibri [48]

DNAase is an enzyme that catalyzes the hydrolysis of the covalent bonds that join nucleotides together. What would first happen to DNA molecules treated with DNAase?

A) The purines would be separated from the deoxyribose sugars.

B) The pyrimidines would be separated from the deoxyribose sugars.

C) All bases would be separated from the deoxyribose sugars.

D) The two strands of the double helix would separate.

E) The phosphodiester bonds between deoxyribose sugars would be broken.

Answer:

E) The phosphodiester bonds between deoxyribose sugars would be broken.

Explanation:

The purines and pyrimidines of two DNA strands of a DNA duplex are held together by hydrogen bonds. Hydrogen bonds are not covalent bonds. The enzyme DNAase targets the phosphodiester bonds. These are the covalent bonds that join two deoxyribonucleotides of a DNA strand together. therefore, when a DNA is subjected to digestion with DNAase enzyme, the phosphodiester bonds will be broken that hold the pentose sugars of two nucleotides by a phosphate group.

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HISTORICAL DATA QUIZ IN SCIENCE PLZZ HELPP ME BEEN HAVING A ROUGH DAY IF YOU COULD HELP I WOULD REALLY APPRECIATE ITT ASAPPP
Ivan

Answer:

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