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Inessa [10]
2 years ago
10

Which statement defines adaptation?

Biology
1 answer:
Yuliya22 [10]2 years ago
8 0

Answer:

A is the correct answer.

Explanation:

Because Adaption means to the process by which a species becomes fitted to its environment. So A is the closest.

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Explain how bacteria are both helpful and harmful to our bodies.
nexus9112 [7]

This is the exact answer:

Bacteria are helpful because they produce oxygen, which our bodies need to breathe, and they help us to digest the food we eat. Bacteria are also helpful because they are used in medicine to help us overcome disease. Bacteria are harmful because they can cause tooth decay and illnesses that can be either common or quite serious.

7 0
3 years ago
Read 2 more answers
In what location would primary succession most likely occur
andreyandreev [35.5K]
Primary succession would most likely occur after a lava flow. 
6 0
3 years ago
2 Points
trapecia [35]

Answer:

Your answer is B.

Explanation:

Since elements can't exactly "die", the element rather breaks down in the soil below it, and is used again upon the next plant or animal.

Hope I helped :)

3 0
2 years ago
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
2 years ago
The various forms of a single gene that code for brown, blonde, or red hair are called
Nataly [62]
The various forms of a single gene that code for brown, blonde, or red hair are called genotype. For example, Bb and Dd.
5 0
3 years ago
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