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GenaCL600 [577]
3 years ago
7

Which best describes a bacterium?

Biology
1 answer:
lara [203]3 years ago
4 0

This question isn't really finished, but bacterium are unicellular prokaryote.

I hope this helps?.. :S

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Why does a submarine rise when its volume is increased? a. Because it now weighs less c. Because it fills with air b. Because it
Lunna [17]

Answer:

A

Explanation:

A

5 0
2 years ago
A neurotransmitter may have an excitatory or an inhibitory effect on the postsynaptic cell, depending on __________.
Otrada [13]

A neurotransmitter can have an excitatory or inhibitory effect on the postsynaptic cell, depending on <u>which of its </u><u>receptor(s</u><u>) are present on the </u><u>postsynaptic</u><u> (target) cell.</u>

<h3>How do excitatory and inhibitory neurotransmitters act?</h3>

Sometimes neurotransmitters can bind to receptors and cause an electrical signal to be transmitted through the cell (excitatory). In other cases, the neurotransmitter can prevent the signal from continuing, preventing the message from being carried (inhibitory).

With this information, we can conclude that a neurotransmitter is a signaling molecule secreted by a neuron to affect another cell across a synapse.

Learn more about neurotransmitter in brainly.com/question/9725469

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6 0
1 year ago
What hormone released by the highlighted structures inhibits the secretion of FSH only?
soldi70 [24.7K]

Inhibin inhibits the secretion of FSH only.

<h3>What is the role of inhibin?</h3>
  • Inhibin is a protein mainly produced by the gonads.
  • In men it is produced by the Sertoli cells and it is produced by the granulose cells in women.
  • It negatively regulates the secretion of Follicle Stimulating hormone (FSH) from the pituitary gland.
  • FSH itself induces the production of inhibin for negative feedback.
  • Pituitary is a pea shaped endocrine gland present at the base of the brain. It is the major endocrine gland and controls growth, development and functions of other endocrine glands.
  • Hormone activin has opposite effect to inhibin. It enhances FSH biosynthesis and secretion.

Learn more about pituitary here:

brainly.com/question/1372599

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5 0
2 years ago
In angiosperms, the seeds are found in the _________
VladimirAG [237]

Answer:

d

Explanation:

4 0
2 years ago
The trp operon in E. coli is regulated in such a manner as to allow expression of the genes only when cellular levels of tryptop
vazorg [7]

Answer:

attenuation

Explanation:

Based on the scenario being described within the question it can be said that the form of regulation that is being described is known as attenuation. In the context of genetics, this is a specific mechanism that provides control in various bacterial operons that result in term results in premature termination of the transcription.

6 0
3 years ago
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