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8_murik_8 [283]
3 years ago
9

In a neuron the Myelin sheath serves to insulate

Biology
1 answer:
KatRina [158]3 years ago
7 0
The axon and allows the message to travel faster without interruption
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Most peripheral nerves are _____, carrying both sensory & motor impulses.
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Most peripheral nerves are nerves outside the brain and the spinal cord, carrying both sensory and motor impulses. The peripheral nervous system is one of the two components of the nervous system, the other part is the central nervous system. Peripheral nerves are classified into motor, sensory and autonomic nerves. 
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With the help of a diagram explain the exchange of gases
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A scientist is using a species of green algae to study the electron transport chain in photosynthesis. He uses a laser to inacti
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D) In case 1, both PS I and PS II completely lose function; in case 2, a proton gradient is still produced.

Explanation:

The light dependent reaction of photosynthesis, which produces the ATP and NADPH needed in the light independent stage of the process, includes complexes of proteins and pigments called PHOTOSYSTEMS. These photosystems (I and II) are key to the functionality of the light dependent reactions in the thylakoid.

The major pigment present in both photosystems is CHLOROPHYLL A, which absorbs light energy and transfers electrons to the reaction center. Chlorophyll B is only an accessory pigment meaning it can be done without. Hence, if all of the chlorophyll A is inactivated in the algae but leaves chlorophyll B intact as in case 1, both PS I and PS II will lose their function because Chlorophyll A is the major pigment that absorbs light energy in both photosystems.

In case 2, if PS I is inhibited and PS II is unaffected, a PROTON GRADIENT WILL STILL BE PRODUCED because the splitting of water into protons (H+) and electrons (e-) occurs in PSII. Hence, H+ ions can still be pumped into the inner membrane of the thylakoid in order to build a proton gradient even without the occurrence of PS I.

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A biological macromolecule is made up of glycerol and fatty acids. Based on this information, what type of molecule is this? Cho
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D. Lipids

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The ocean stores carbon from its interactions with the atmosphere, so the ocean serves as (a) _________ for the carbon cycle.(1
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The ocean is storing carbon, it is a carbon source.

It's storing the carbon until it's needed in the carbon cycle.

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