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pshichka [43]
3 years ago
14

Which layer of the atmosphere

Biology
2 answers:
Norma-Jean [14]3 years ago
8 0
I think maybe A or B.
vodka [1.7K]3 years ago
5 0

Answer:

Option D. Stratosphere.

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3 years ago
What structure of the sarcomere shortens during muscle contraction?
LiRa [457]

Answer:

The Z lines and H- zone shortens during the muscle contraction.

Explanation:

Sarcomere is the area between the two Z lines. The Z- lines are present in the centre of I - band and H - zone is present in the A - band. The actin filaments which are thin filaments present in I- band and contracts, slide over the myosin filament during contraction.

The I - band, H- zones are became shortens as they are thin than the A- band. It is anisotropic band having thick myosin filaments. They are not flexible and remain in its constant shape during the muscle contraction.

After the muscle contraction, the A- band and the H- zone comes to their original shape. In other words, the sarcomere shortens and comes back during muscle contraction, and relaxation.

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3 years ago
The dose-dependent effect of the early anxiolytic/hypnotic drugs means they could produce __________ in the user.
VARVARA [1.3K]
<span>Answer is d. all of these.
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4 years ago
What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?
lora16 [44]
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6 0
3 years ago
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