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torisob [31]
4 years ago
11

8. Explain why ice stays at the top of oceans instead of sinking to the bottom. Also, explain

Biology
1 answer:
Bond [772]4 years ago
7 0

Answer:Ice remains on the top of water due to its low density.

Explanation:

It minimises heat loss thus maintaining bearable temperatures in the water below

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A major disturbance that almost caused a total collapse, but that the ecosystem was able to recover from eventually?
svet-max [94.6K]

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corona

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8 0
4 years ago
The use of restriction enzymes and electrophoresis to generate a map of the DNA molecule is known as
Lerok [7]

The use of restriction enzymes and electrophoresis to generate a map of the DNA molecule is known as RESTRICTION MAPPING. This technique is used to map an unknown fragment of DNA.

Restriction enzymes are enzymes that cut a DNA fragment at specific nucleotides sites, thereby generally smaller fragments of DNA.

Restriction mapping is a strategy used to map unknown fragments of DNA by digesting them into smaller fragments and then identifying the specific sites of the DNA breakpoints.

Restriction mapping can then be used to create a diagram of fragments of DNA marked with specific sites where they are cut by specific restriction enzymes.

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brainly.com/question/1127662

7 0
3 years ago
Which of these statements about the afferent division of the nervous system is true?
Andre45 [30]
I think the correct answer from the choices listed above is the first option. The afferent division descends with sensory information. <span>The </span>afferent division<span> refers to sensory signals that travel away from the stimulus. Hope this answers the question. Have a nice day.</span>
8 0
3 years ago
Which types of cells do not reproduce and, if damaged by injury or disease, are lost forever?
Bezzdna [24]

The lack of centrioles in nerve cells prevents them from undergoing mitosis and meiosis, which prevents them from dividing. Nerve cells do not divide throughout their lives and do not lengthen without doing so.

<h3></h3><h3>What is nerve cells?</h3>

The central nervous system is constantly receiving information about the external and internal environment (in the form of sequences of action potentials) from nerve cells, also known as neurons.

Nerve cells are “excitable” cells that may convert a range of stimuli into electrical impulses (CNS). Despite the complexity of the nervous system, neurons and glial cells are the only two types of nerve cells that make up nervous tissue.

The structural and operational components of the nervous system are called neurons. Nerve impulses are electrical signals that are transmitted by them. Neuronal support is provided by glial cells.

Therefore, nerve cells do not reproduce and, if damaged by injury or disease, are lost forever.

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brainly.com/question/15642720

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7 0
2 years ago
Which of the following statements is true?
IrinaVladis [17]

Answer:

1, 2, and 4 are all true

Explanation:

6 0
3 years ago
Read 2 more answers
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