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kondor19780726 [428]
3 years ago
11

What makes up the central nervous system?

Biology
1 answer:
STALIN [3.7K]3 years ago
3 0
The Central Nervous system is made out of spinal cords that connect to the brain.
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Use the drop-down menus to correctly identify the steps in the water cycle Label a condensation evaporation precipitation
Likurg_2 [28]

Answer:

evaporation

condensation

percipitatation

transpiration

Infilteration

surface runoff

groundwater

Explanation:

You didnt provide a picture but thats all of them. I hope that helped!

3 0
3 years ago
In Drosophila, the bar mutant is characterized by eyes that are restricted to a narrow, vertical bar. When a bar female is mated
Lelechka [254]

Answer:

See the answer below

Explanation:

a) The mode of inheritance of the bar mutant is X-linked and dominant.

Assuming that barness is represented by the allele B.

Bar female = X^BX^B or X^BX^b

Wild type male = X^bY

Bar female x wild type male:

                 X^BX^B    x    X^bY

          X^BX^b   X^BY  X^BX^b    X^BY

All of the F1 flies are bar because a single B allele is required for the trait to be expressed.

Bar male x wildtype female

                            X^BY   x   X^bX^b

                 X^BX^b    X^BX^b   X^bY    X^bY

All the female offspring are barred while all the males are wildtype barred resulting in a 50/50 (857/905 is approximately 50/50) ratio of barred/wildtype offspring.

b) Genotypes of each of the cross above, including the parents and the F1 generations.

1.             X^BX^B    x    X^bY

          X^BX^b   X^BY  X^BX^b    X^BY

2.               X^BY   x   X^bX^b

           X^BX^b    X^BX^b   X^bY    X^bY

                 

4 0
3 years ago
Why are chemotherapeutic agents that work on the peptidoglycan cell wall of bacteria a good choice of drug?
yanalaym [24]

Answer:

d. Humans and other animal hosts lack peptidoglycan cell walls.

Explanation:

Humans and other animals lack cell walls. Bacterial cells have peptidoglycan cell walls around them. The absence of cell walls in the cells of human and other animal host ensures that these cells are not affected by the drugs that target the peptidoglycan cell walls to kill or slow down the growth of the bacterial pathogen.

This makes the drugs specifically target the bacterial cells only while not affecting the host cells. If a drug would target a component present in cells of both the pathogens and hosts, the host cells would be most likely to be harmed by the drugs.

6 0
3 years ago
Read 2 more answers
A virus is ________ a cell.
pickupchik [31]

Answer:

smaller than

Explanation:

But they're nothing compared to the giants of the cellular world. ... And viruses are smaller again — they're about a hundredth the size of our cells. So we're about 100,000 times bigger than our cells, a million times bigger than bacteria, and 10 million times bigger than your average virus

Hope this helps <3

7 0
3 years ago
What word is used to describe the amount of energy released by an earthquake?
KiRa [710]
What word is used to describe the amount of energy released by an earthquake?
C- Magnitude

5 0
3 years ago
Read 2 more answers
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