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____ [38]
3 years ago
9

Which of the following is an example of a beneficial mutation?

Biology
1 answer:
svet-max [94.6K]3 years ago
8 0

Answer:

B. a motation in hibiting humman immunodeficiency virus from entering the host cell

Explanation:

I hope this helps

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PS: PLEASE DO NOT PUT A LINK! THERE ARE 4 QUESTIONS.
Alex777 [14]

Answer: 1. b. species evenness, d. species richness. 2. resistance; resilience. 3. has extremely low species richness. 4. b. forest fire

c. volcanic eruption

d. flooding brainliest?

Explanation:

8 0
3 years ago
If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?
Ivan

Answer:

a. a complete loss of voluntary movement

Explanation:

Spinal nerves serve as the paths of communication between the spinal cord and specific regions of the body. Roots refer to the bundles of axons that serve to connect each spinal nerve to a segment of the spinal cord via smaller bundles of axons called rootlets. The ventral root also called the anterior root and the associated rootlets contain axons of motor neurons.

These motor neurons of ventral root conduct nerve impulses from the CNS to effector organs. Muscles and glands are the effector organs. As these effector organs receive motor information, voluntary movements are generated. If the ventral root of the spinal nerve were cut, the effector organs will not get the motor information and no voluntary movements will be generated.

8 0
3 years ago
How is a eukaryotic cell different from a prokaryotic cell? A) It has DNA. B) It is smaller. C) It has a nuclear body. D) It has
ArbitrLikvidat [17]
D it has a nuclear membrane. Prokaryotic call has DAN but no nucleus
6 0
3 years ago
A student from one of the research labs is having trouble preparing a slide for examination and photographing. The bacterial sli
ankoles [38]

Answer: Rinsing with alcohol during the washing step stripped the bacteria off the glass slide.

Explanation:

The step that is being wrong in the whole experiment is that the student is washing the bacteria on the slide with alcohol.

Alcohol might have washed off all the bacteria as it is corrosive in nature. The bacteria that is going to be observed in the experiment is being killed when it is washed off.

This was the wrong step opted by the student if he finds any alternative solution to this then the bacteria can be observed in the microscope.

6 0
4 years ago
•how are the organs of plants adapted to perform essential functions?<br>​
lions [1.4K]
Every plant organ is adapted to its function. For example, leaves that are big and flat absorb plenty of sunlight for photosynthesis. Long roots keep a tree stable and take water from deep in the soil. Some plants have unusual adaptations.
3 0
3 years ago
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