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Mamont248 [21]
3 years ago
10

The two proteins directly involved in muscle contraction are broadly called . During an exercise where muscles do not shorten, c

ontractions have occurred. a. has an affinity for myosin binding sites in the absence of calcium. b. is a missing protein in Duschenne's muscular dystrophy. c. The cell membrane of a muscle fiber is the .
Biology
1 answer:
docker41 [41]3 years ago
7 0

Answer:

Explanation:

hi

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How does inorganic nitrogen from the atmosphere<br> (N2) get into living systems?
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Answer:

When an organism excretes or dies, nitrogen is in the form of organic nitrogen in its tissues (e.g. amino acids, DNA). During the ammonification process, many fungi and prokaryotes then break the tissue down and release inorganic Nitrogen into the atmosphere as ammonia.

Explanation:

Plants use their roots for nitrogen compounds. When they consume the seeds, animals acquire certain chemicals. When plants and livestock die, or animals excrete waste, the organic nitrogen compounds return to the soil, where microorganisms known as decomposers break down their compounds.

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One concern about the use of high doses of steroids is increased aggressiveness, known as "'roid rage."
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3 years ago
What is the immune systems first line of defense against invading pathogens
GREYUIT [131]
The first line of defense, <span>includes physical and chemical barriers. These include your skin, tears, mucus, cilia, stomach acid, urine flow, bacteria and white blood cells called necrophiliacs.</span>
8 0
3 years ago
Which of these organelles is not made of or surrounded by a membrane
Ahat [919]
A Ribosome is not a membrane bound organelles
5 0
3 years ago
Shonda suffers from bipolar disorder. She has recently returned from the hospital to a dramatic, emotionally charged, "enmeshed"
Nady [450]

Answer:

it is 80- 90 % chances of relapse, almost certain for the relapse to reoccur.

Explanation:

Generally bipolar disorders can be caused by genetic and environmental factors.  One of the examples of environmental stress that causes bipolar disorder is mental stress and   family abuse in  which Shonda is entangled. Evidences has shown that some recent events of life,and interpersonal relationships are examples of  predisposing environmental  factors that triggers onset of bipolar disorders and relapse.

Therefore her  enmeshed or entanglement   in the family situation put mental stress on her; which cause her ventral system( parts of the brain which control emotions) to be over activated and the dorsal systems (parts which control  memory to be underactivated   which results in relapse.

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3 years ago
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