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kow [346]
3 years ago
5

Biology heeeeeeeeeelp ​

Biology
2 answers:
murzikaleks [220]3 years ago
5 0

Answer:

substrate

active site - inside enzyme

Enzyme-substrate complex

Explanation:

butalik [34]3 years ago
3 0
Substrate
activate site
product
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Which statements about viruses are true? Select all that apply. A. Viruses are ultramicroscopic cells. B. Viruses are infectious
dlinn [17]

Answer:

Answers A, B, C, D and E are all correct

Explanation:

Viruses are non living, ultramicroscopic cells, infectious particles with a protein coat surrounding the nucleic acid that replicate inside any life form and infeft them.

Bacteriophages, like viruses that can also infect the animal cells infected by the bacteria.

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3 years ago
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What is air pressure? At what elevation is air<br> pressure the highest? Why?
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Answer:

With greater depth of the atmosphere, more air is pressing down from above. Therefore, air pressure is greatest at sea level and falls with increasing altitude. On top of Mount Everest, which is the tallest mountain on Earth, air pressure is only about one-third of the pressure at sea level.

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3 years ago
From left to right, which is the sequence of the<br> complementary strand of DNA in this molecule?
ladessa [460]

Answer: Option A) A-C-T-T-G

Explanation:

The base sequence on a strand of DNA is usually paired to specific complimentary bases. These specific pairings are as follows:

Adenine (A) pairs with Thymine (T)

Guanine (G) pairs with Cytosine (C). So when you find A replace with T, so also replace C with G and vice versa.

Thus, the complimentary sequence of the T-G-A-A-C DNA strand is A-C-T-T-G

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Which type of energy resource is most dependent on weather conditions?
lapo4ka [179]

Answer:

Solar energy

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This is because the sun is used

6 0
3 years ago
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Suppose there is a protein "A" which binds to a DNA sequence and increases transcription of the gene CBC23. In the presence of m
fenix001 [56]

Answer:

A = Activator

B = Effector

Explanation:

An activator is a protein which typically binds to a short (50–1500 bp) region of DNA which might be located either upstream (mainly) or downstream of a gene so as to cause increased transcription. This particular region of DNA is known as enhancer and activator is also  known as transcription factor. Activator is a trans-acting factor which binds to the cis-acting factor which is enhancer so as to enhance transcriptional expression.

But another protein named as effector may restrict activator from binding to the enhancer leading to a decrease in transcriptional expression by binding to the activator allosterically. Allosteric binding of effector to the activator causes conformational change in activator so it can no longer bind the enhancer.

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