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faltersainse [42]
2 years ago
10

This is a DNA fingerprint exhibiting samples from a victim, two suspects, and the crime scene. Which of these DNA fragments is c

ommon to both the victim and Suspect 1?
a) A
b) B
c) C
d) D
e) E
Biology
1 answer:
alekssr [168]2 years ago
8 0

Answer:

B. (The second row)

Explanation:

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What term describes the blood<br> pressure when the heart is at rest?
jeyben [28]

Answer:

diastolic pressure

Explanation:

Your blood pressure is highest when your heart beats, pumping the blood. This is called systolic pressure. When your heart is at rest, between beats, your blood pressure falls. This is called diastolic pressure.

4 0
2 years ago
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Several species of warblers can live in the same spruce tree only because they
Zielflug [23.3K]
Several species or warblers can live in the same spruce tree only because they occupy different nitches within the tree. Hope this helps! 
7 0
3 years ago
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In a homologous pair of chromosomes, one of the chromosomes came from mom and the other one came from dad. True or False
Y_Kistochka [10]

Answer:

True

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2 years ago
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Refer to the Biochemistry in Focus section of your text for this chapter to answer this question. Sarin inhibits acetylcholinest
DENIUS [597]

Answer:

c. Pyridostigmine binds to the acetylcholinesterase active site and prevents sarin from binding to and modifying the enzyme active site.

Explanation:

Sarin is a toxic compound which inhibits acetylcholinesterase enzyme. This enzyme degrades the neurotransmitter acetylcholine after the required muscle cell stimulation. In absence of its activity, acetylcholine is not degraded and the muscle cells are stimulated uncontrollably. The muscles are not able to relax which ultimately proves fatal for the victim.

Pyridostigmine is also an acetylcholinesterase inhibitor like Sarin. However its period of inhibition is short compared to organophosphorus inhibitors like sarin. It competes with sarin and replaces it in the active site of acetylcholinesterase. The enzyme is still inhibited but for a shorter time as compared to inhibition by Sarin. Hence after sometime, it becomes functional again and resumes its normal activity. Acetycholine starts getting degraded relaxing the muscles.

8 0
2 years ago
A recently discovered enzyme is found to have maximum activity in a pH range of 6-8. It is thought that histidine and cysteine r
goldenfox [79]

Answer:

Cysteine

Explanation:

<u>Determine the Amino acid that is primarily involved in Binding </u>

The Amino acid that is primarily involved in Binding is Cysteine. while the other Amino acid ( i.e.  Histidine ) will be involved in Catalysis.

since the enzyme is functional at pH 6 to 8. and Cysteine has a pH of 5, it should be deprotonated and used primarily for Binding .

4 0
2 years ago
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