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PIT_PIT [208]
3 years ago
6

Plz help!!! First and Last attempt!!

Biology
1 answer:
Sladkaya [172]3 years ago
7 0
The answer is b it is being bred for a trait that is favored by humans
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Which is the role of restriction enzymes?
dezoksy [38]
Restriction enzymes and or restriction endonucleases are involved at recognizing specific sequence of nucleotides and cutting or splicing them at appropriate regions to produce fragments that can either be sticky ends or blunt ends depending on where they cut and the nature of nucleotides involved within the fragments. They play an important role in genetic engineering, as geneticists can use them for placing into extra chromosomal information and or content of plasmids in certain bacteria, from other sources, for instance antibiotics, grow and or produce many individual colonies of bacteria, isolate them and one would have many sequences for instance that can code for an antibiotic that can be extracted and used further. Assuming the bacteria's plasmid can take in that sequence.
4 0
3 years ago
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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.

6 0
2 years ago
What is the name of the gas that plants absorb from the air and use to grow
vitfil [10]
Carbon dioxide, or CO2.

Plants produce oxygen for us to breathe, and in exchange they take the gas we breathe out: carbon dioxide.
4 0
3 years ago
Which of the following is related to the likelihood that a mother develops postpartum depression?
Veronika [31]

Answer:

Option D

Explanation:

Postpartum depression is majorly experienced in woman who has recently entered into motherhood. This form of depression arises because of the complications involved in a child birth. It is strongly driven by sudden changes that come up in the life of a woman after becoming mother such as – loss of job, responsibility of child, tight life schedule etc. some common symptoms of this problem include – mood swing, anxiety, sleeplessness, crying etc.  

Hence, option D is correct

4 0
3 years ago
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Why is nitrogen important to all living things?
Snezhnost [94]

B found in nucleic acids

7 0
3 years ago
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