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qaws [65]
3 years ago
9

Please I need help! What effect do enzymes have on biochemical reactions?

Biology
1 answer:
Readme [11.4K]3 years ago
8 0

Answer:Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. So enzymes speed up reactions by lowering activation energy

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A biochemist isolates and purifies various molecules needed for DNA replication. When she adds these molecules to DNA, replicati
olga55 [171]

Answer:

DNA ligase

Explanation:

<em>The biochemist must have left out DNA ligase enzyme.</em>

<u>The DNA ligase enzyme is able to catalyze the formation of phosphodiester bonds and as such, capable of joining strands of DNA together to form a single strand.</u>

The numerous DNA segments of a few nucleotides long observed by the biochemist must have been the replicated product of the lagging DNA strand. The lagging strand is replicated discontinuously in short strands because the DNA polymerase enzyme can only elongate primers in 5' to 3' direction. The short segments are known as Okazaki segments and are usually joined together to form a whole strand by the DNA ligase enzyme.

Hence, the missing component is the DNA ligase.

3 0
3 years ago
15. If a virus enters the lytic phase in a host's cell, it will cause the host cell to A. reject the virus. B. shrink because of
Anettt [7]

Answer:

B

Explanation:

The lyric phase is a six stage phase which include attachment, Penetration, transcription, biosynthesis , maturation and lysis

8 0
4 years ago
PLEASE ANSWER ASAP!! WILL GIVE 15 POINTS!! How do genes get “turned on” and “turned off”?
hammer [34]

Answer:

Explanation:

A gene can be turned on or off by environmental factors or from other cells that activate proteins known as transcription factors.

6 0
3 years ago
Read 2 more answers
Are crayfish arthropods?
Bezzdna [24]

Answer:No

Explanation:

Because they are closely related to the lobster

4 0
3 years ago
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Which is an adaptation?
xeze [42]
Hello there.:D

Which is an adaptation?A. A dog is trained to catch a ball.
B. A person learns how to do math.
C. A rabbit has fur that blends in with snow
D. A bird breaks its wing in an accident.

C. A rabbit has fur that blends in with snow


3 0
4 years ago
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