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zepelin [54]
3 years ago
13

Name the two parts of CRISPR and explain what each does

Biology
1 answer:
Misha Larkins [42]3 years ago
6 0

Answer:

The CRISPR-Cas9 system consists of two key molecules that introduce a change into the DNA.

The guide RNA is designed to find and bind to a specific sequence in the DNA.

The Cas9 follows the guide RNA to the same location in the DNA sequence and makes a cut across both strands of the DNA

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When people experience extreme back injuries they can lose the ability to move their bodies below a certain point. What part of
Paul [167]

Answer:

Spinal cord injuries are responsible for people not being able to move their bodies below a certain point. What determines how much of the body they can still move is the level of the spinal cord injury.

Explanation:

The central nervous system cannot communicate with the brain due to the spinal cord injury.

4 0
2 years ago
The Venus flytrap is a carnivorous plant that traps insects in a plant structure. The plant structure closes when the small hair
marishachu [46]

Answer:

Venus flytrap communicate with other organisms by secreting a sugary substance (nectar) in its leaf glands.

Explanation:

The Venus flytrap is a carnivorous plant that traps insects in a plant structure that closes when the small hairs on the inside of the structure are touched.

The leaf of this plant contains a watery fluid secreted by glands on its open traps. Organisms like flies are attracted to the secreted nectar and perches on it; only for the hairs of the flytrap to get shut due to that touch and cell expansion triggered.

5 0
3 years ago
Why do you think adult male crabs have such a large claw? What could be the purpose of it? And can you think of any other animal
Romashka [77]

Answer:

cause they use the small one for feeding and the large one to attract a female crab for mating, the large claws are also used as a weapon

3 0
3 years ago
30. One cause of muscle soreness is
xenn [34]

Answer:

c. lactic acid fermentation

Explanation:

If we did alcoholic fermentation, working out would make us feel drunk, not sore. This is only done by yeasts (a type of fungus) and bacteria. Glycolysis is simply an anaerobic process that occurs with fermentation and also regular aerobic respiration. It doesn't cause any soreness on its own. The Krebs cycle is the second major part to cellular respiration; it produces 6 NADH's, 2 FADH2's, 4 CO2's and 2 ATP; it's not involved in creating any soreness, as cell respiration does not create soreness. That leaves lactic acid fermentation, which we, bacteria, yeasts, and other organisms do. This is what we do when we run out of ample oxygen while doing some strenuous activity. Glycolysis is done with it. Glycolysis, however, relies on NAD+ to create ATP we need to maintain the same level of activity, lactic acid is produced as it accepts the 2 electrons and [H+] NAD+  should accept.

4 0
2 years ago
Read 2 more answers
The respiratory system supplies oxygen to the blood in the body, while removing carbon dioxide. Which system directly interacts
Olegator [25]

Answer:

The correct option is <u>C. The nervous system when the brain regulates the body's breathing and heart rate.</u>

Explanation:

The main function of the respiratory system is to exchange oxygen for carbon dioxide in the body.

The brain controls the rate at which the heart pumps blood. The pumping of the heart supplies oxygenated blood to other parts of the body. Hence, the rate at which heart pumps blood is very important to maintain homeostasis of the respiratory system.

The brain regulates the rate at which a person breathes. This rate is very important to breathe in the right amount of oxygen and to breathe out the right amount of carbon dioxide.

8 0
3 years ago
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