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Sergeeva-Olga [200]
3 years ago
7

Select an ecosystem that is familiar to you and describe the biotic and antibiotic factors that exist there .

Biology
1 answer:
kompoz [17]3 years ago
8 0

Answer:

perhaps you live by a pond.The water,wind, and tempature are all antibiotic factors.The fish,frogs,and bugs are all living so they are the biotic factors.

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These cellular structures are utilized in strong involuntary muscle contractions and transmission of electrical impulses. ______
sertanlavr [38]

Answer:

The best answer to the question: These cellular structures are utilized in strong involuntary muscle contractions and transmission of electrical impulses, would be: T-Tubules.

Explanation:

In both skeletal and cardiac muscle, not smooth muscle, because of the way that the muscle fibers are conformed into tight bundles of sarcomeres (skeletal muscle) and myocardiocytes (cardiac muscle), there is a need for a series of structures that will ensure that when there is a stimulus from the nervous systems, these stimulus will propagate to all the cells in the fibers, and not just one.

Aside from counting with a neuromuscular motor plate, which will receive the neurotransmitter from the nerve endings and produce the appropriate reactions, as well as propagate that reaction to all the cells that are being stimulated, muscle fibers also have a structure known as T-Tubules. T-Tubules are formations much like roadways of cell plasma membrane that connect not just one, but all the cells within a muscle fiber so that once a stimulus comes, all the cells will initiate the process of calcium release and action potential propagation. These T-Tubules will ensure that electrical impulses reach all muscle cells and that all cells react at the same time as needed.

5 0
3 years ago
The amino acids bond together to form which type of complex molecule?
Kipish [7]

Answer:

Protein

Explanation:

8 0
3 years ago
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If you cross a mule and a horse, you get a donkey. How many chromosomes does a donkey have?
madreJ [45]

Answer:

62

Explanation:

31 pairs

A mule is the offspring of a male donkey (a jack) and a female horse (a mare). A horse has 64 chromosomes, and a donkey has 62. The mule ends up with 63. Mules can be either male or female, but, because of the odd number of chromosomes, they can't reproduce.

3 0
4 years ago
How do organisms inherit traits
Genrish500 [490]

Traits are inherited trough the parents genes that are passed to the offspring trough both parents reproductive cells, that contain genes in their nucleus.

Hope it helped,

Happy homework/ study/ exam!

8 0
3 years ago
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forests maintain a balance between the amount of carbon-dioxide and oxygen gases in the atmosphere...

Hope this helps!!❤

3 0
2 years ago
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