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musickatia [10]
3 years ago
11

If linh removes bulb 3, which bulbs will remain lit

Biology
1 answer:
s2008m [1.1K]3 years ago
4 0

Answer:

Its D. 1,2, and 4!

Explanation:

Have a great day :)

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How did fossils help study life
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Answer: By studying the fossil record we can tell how long life has existed on Earth, and how different plants and animals are related to each other. Often we can work out how and where they lived, and use this information to find out about ancient environments. Fossils can tell us a lot about the past.

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Name one cell type that continues to divide throughout a person's lifetime and one that doesn't continue to divide throughout a
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What are some characteristics of nervous tissue?
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3 years ago
Which of the following characteristics are true for an action potential?
pickupchik [31]

Answer:

I, II, III

Explanation:

A threshold stimulus is a stimulus that is capable to produce a response in excitable tissues such as neurons and muscle fibers. At threshold potential, the outward movement of K+ and inward movement of Na+ become equal to each other. When the potential exceeds the threshold potential, more and more Na+ enter the cell to depolarize it and to allow the opening of Na+ channels. Therefore, to fire an action potential, the threshold must be exceeded.

Conduction of action potential is all or none phenomenon which means that either it occurs or it does not occur. As an impulse is passed by each successive part of an exon, it enters the refractory period during which there is no conduction of nerve impulse. It ensures the one-way conduction of impulse from the cell body to the axon terminal only.

6 0
3 years ago
Explain the term "Poly Inheritance" and give an example of a human trait that is controlled in such manner
Alenkasestr [34]

Answer:

Polygenic inheritance occurs when one characteristic is controlled by two or more genes. Often the genes are large in quantity but small in effect. Some examples include height, skin color, eye color and weight.

- In polygenic inheritance the "dominant" capital genes are additive, each capital gene adding one unit of color to the genotype.With more capital genes, the phenotype (appearance) gets darker.

6 0
3 years ago
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