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makvit [3.9K]
3 years ago
11

The nucleus act like...

Biology
2 answers:
Setler79 [48]3 years ago
6 0

Answer:

a pillow

Explanation:

larisa86 [58]3 years ago
3 0

Answer:

The powerhouse of the cell

Explanation:

It controls everything

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Clinical manifestations of hypocalcemia include which of the following? (Select all that apply.) Positive Trousseau sign Positiv
kumpel [21]

Answer:

Positive Trousseau sign

Positive Chvostek sign

Hyperactive reflexes.

Muscle twitching, Paresthesias

When the blood conce

Explanation:

When the blood ca+ concentration falls below  the standard of 4.4-4.5mg/dL,that is below 4.4mg/dL the clinical condition is called hypocalcemia. It is caused by hypothyroidism,due to  malfunction of the parathyroid gland.

Generally, Ca+ is needed for contraction of muscles by causing the fusion of the vesicles containing neurotransmitters to the presynaptic membrane for the passage of neuro transmitters  to fuse with the receptors on the sarcolemma to initiate  muscular contractions by opening of ligand gated Na+. It also interact with the ligand gated  sodium ion channels

Generally,Ca+ inhibits depolarization of ligand gated Na+ channels. Thus blocks the opening of these channels and therefore the rate of excitability.Therefore, If the is low serum levels of Ca+,There is increased in the threshold of depolarization because more ligand gated Na+ channels are opened,Thus their is increased excitability of nerves and muscles fibres therefore in the  clinical manifestations listed above.

It can be treated with infusion of Ca+ into the blood.

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3 years ago
What is the relationship among chromosomes, genes, and DNA?
wolverine [178]

The correct answer here will be, <u><em>A).</em></u>

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How do added buffering agents mitigate harmful effects of aspirin?
Anna11 [10]
<span>neutralizes the acid
hope it helped</span>
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What genetic modifications have scientist made to animals in order to be able to translplant organs from the animal to a human?
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A gene-edited pig's heart has been transplanted into a human for the first time. The procedure is a one-off, and highly experimental, but the technique could help reduce transplant waiting lists in the future

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