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OLEGan [10]
3 years ago
15

Which of the following is an incorrect description of plastic and its impact on the environment.

Biology
1 answer:
sergeinik [125]3 years ago
6 0

Answer: I believe you are correct with assuming its D

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Describe how epinephrine has different effects in different target tissues
vazorg [7]

Answer:

Epinephrine binds to receptors on some smooth muscles (ex: around arterioles) → Ca++ released from ER → intracellular Ca++ up → stimulates contraction. c. Epinephrine binds to receptors on some smooth muscles (ex: around bronchioles) → phosphorylates protein needed for response to Ca++, preventing response.

4 0
3 years ago
in a further experiment , the researchers add a compound to the cell growth medium that both binds and releases protons and also
rosijanka [135]

Answer: I would need more context my good sir please tell me the full context and I’ll be able to give you full answer :)

Explanation:

6 0
3 years ago
List two examples of how cells' shapes are suited to their functions?
sukhopar [10]

Answer:

<u>Red blood cell in humans -</u> it has no nucleus. Hence it offers the cell to carry more haemoglobin.

- they are disc shaped allowing them to pass through narrow capillaries.

<u>Root hair cells in plants-</u> they have a large cytoplasm which enables them to take water from the soil.

<u>White Blood Cells in humans -</u> they have lobed nucleus and so can change their shape to pass through narrow capillaries.

  • <em><u>HOPE IT HELPS...</u></em>

5 0
2 years ago
All wetlands are considered freshwater ecosystem
Nadya [2.5K]

Answer:

Marshes, swamps, and bogs are all considered wetlands. ... Wetlands are not considered freshwater ecosystems as there are some, such as salt marshes, that have high salt concentrations—these support different species of animals, such as shrimp, shellfish, and various grasses.

Explanation:

i hope this helps you!

5 0
3 years ago
When an LDL particle is taken up by the cell, what impact will this have on the regulation of de novo cholesterol synthesis?
Alexxx [7]

Answer:

C. HMG-CoA reductase will be dephosphorylated

Explanation:

When a low density lipoprotein particle is taken up by the cell, the impact it will have on the regulation of de novo cholesterol synthesis will be HMG-CoA reductase being dephosphorylated.

HMG-CoA( 3-hydroxy-3-methyl-glutaryl-CoA reductase) is an enzyme which aids the synthesis of lipids. When the lipids are produced and taken up by the cells then the effect of the synthesis stops to avoid excess synthesis and to allow for the action of enzymes which will act ok them in the cells . This is why it leads to a dephosphorylation of the enzyme which stops the action.

4 0
3 years ago
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