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vazorg [7]
3 years ago
9

If you help me I will mark you as brainiest.. thank you so much

Biology
1 answer:
Archy [21]3 years ago
8 0

Answer:

The cell cycle is the replication and reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in alot of ways, but overall it allows them to survive.

Explanation:

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In the disease myasthenia gravis, the human body makes-by mistake- antibodies to its own acetylcholine receptor molecules. These
andre [41]

Answer:

Muscle contraction function.

Explanation:

The nerve endings possess synaptic acetylcholine vesicles ready to be released. The action potential depolarizes the presynaptic terminal and increases the concentration of axoplasmic calcium; Acetylcholine molecules are thus released, so that the concentration of the neurotransmitter at postsynaptic (nicotinic) receptors is temporarily increased. This is followed by post-synaptic membrane depolarization, muscle membrane action potential with increased rnioplasmic calcium concentration, and finally muscle contraction. Acetylcholine is hydrolyzed by acetylcholinesterase and resynaptic at the presynaptic level by cholinecetyltransferase. The etiopathogenesis of myasthenia gravis is autoimmune and there are antibodies against acetylcholine receptors that circulate in the blood, as well as a decrease in the number of receptors on the motor plates, that is, it is produced by the postsynaptic blockage of the myoneural plaque, that generates fatigue and localized or generalized muscle weakness that is characterized by the worsening of the contractile force of the muscle.

6 0
2 years ago
Can you guys name all of the planets?<br>​
likoan [24]

Answer:

Yesssss mercury Venus earth Mars Jupiter Saturn Uranus Neptune and my baby pluto

8 0
2 years ago
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A geologist is studying a sand dune. The sand dune was
Karolina [17]

Answer: Deflation

Explanation: it’s correct

7 0
3 years ago
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What is the name of the rock that makes up most of the ocean floor and volcanic ocean islands?
sertanlavr [38]
I believe it's called a Basalt.

Hope this helps..
4 0
3 years ago
Case Study: Parents of a 3-year-old boy noticed that their son had a waddling gait, fell frequently and had difficulty getting u
Ierofanga [76]

Answer:

Muscular dystrophy

Explanation:

Muscular dystrophy is an inheritable genetic condition that involves mutations in genes that encodes the production of muscle proteins to build and to preserve healthy proteins. The disease is characterised by progressive weakness and loss of muscle mass.

Dystrophy is referred to as a disorder in which the a tissue or an orgasm progressively wastes away. Thé dystrophy term is used because the disease involves the gradual and progressive wasting away of the muscle which is a type of tissue causing muscular weakness allowing the child to experience these symptoms.

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3 years ago
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