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enyata [817]
3 years ago
7

HOW MANY CHROMOSOME PAIRS ARE THERE

Biology
1 answer:
lyudmila [28]3 years ago
8 0
Each cell normally contains 23 pairs of chromosomes.
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In the spinal cord, gray matter is functionally organized into _________ while white matter is organized into _________.
NemiM [27]

Answer:

Horns and columns.

Explanation:

The spinal cord is the important component of the central nervous system. The spinal cord consists of the nerves of the body and control the reflex actions of the body.

Spinal cord consist of white matter and grey matter. The motor and sensory axons are present on white matter. The white matter covers the grey matter and arranged into the different columns. The grey lies inside the white matter and consists of neuronal cell bodies. The grey matter is completely organised in the horns.

Thus, the answer is horns and columns.

3 0
3 years ago
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Which of the following is not a defining characteristic of plants?
MA_775_DIABLO [31]
There’s no answer choices but some characteristics of plants are that they are multicellular, eukaryotic and perform photosynthesis. Hope this helps. :)
3 0
3 years ago
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A children’s hospital in a major American city reported a dramatic increase in the number of rheumatic fever cases. Doctors were
Rasek [7]
As the main illness before you have a fever will normally be sore throat ( if you are heaty ) and flu ( if you caught a cold ) .
Hence the Doctors need to start monitoring the sore throats more carefully to prevent the increase of rheumatic fever cases .
Hope this helps !! :)
7 0
3 years ago
URGENT: Why does an increase in carbon dioxide increase the quantity of hydrogen ions in blood?
Effectus [21]

Answer the more carbonic acid in the blood, the lower the pH level is. The amount of carbon dioxide  removed from the blood messes with the pH level of the blood. this increases the amount of hydrogen ion concentration in blood and it decreases the blood pH levels

Explanation:

8 0
2 years ago
What is complementary base pairing? Why is it necessary?
vodomira [7]

Answer:

<u><em>Complementary base pairing is important in DNA as it allows the base pairs to be arranged in the most energetically favourable way</em></u>

<u><em>It is essential in forming the helical structure of DNA. It is also important in replication as it allows semiconservative replication</em></u>

<u><em>A complementary base is either of the two nitrogen-containing sections of a nucleotide that bond together to connect strands of DNA or RNA</em></u>

<u><em>DNA and RNA are complex molecules that are central to genetics and both are made of things called nucleotides.</em></u>

Explanation:

Hope this helps:)

5 0
2 years ago
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