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HACTEHA [7]
2 years ago
13

A neuron transmits information by the secretion of hormones. True or False

Biology
2 answers:
ser-zykov [4K]2 years ago
7 0

Answer:

i believe it is false

Explanation:

grandymaker [24]2 years ago
4 0

Answer:

The given statement is false.

A neuron is the basic structural and functional unit of the nervous system. It helps in transmitting information from one neuron to another neuron, gland, or muscle cell.

The conduction of nerve impulse is electrochemical in nature. It transmits the impulse electrically through the axon the nerve cells and chemically through synapses (gap between two nerves cells).

The axon terminals of pre-synaptic nerve cell release chemical messengers (also called neurotransmitters) in the synaptic cleft. These messengers then bind to the receptors present on the post-synaptic nerve cell and regenerate the nerve impulse.

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Analyze and conclude 7. which, if any, of the blood samples tested cna the patient with type b+ blood receive? explain why. 8. e
Digiron [165]
<span>7. which, if any, of the blood samples tested cna the patient with type b+ blood receive? explain why.
It can't be answered because you didn't put the sample test result


8. explain how you were able to use your knowledge of how different types of blood react with anti-a, anti-b, and anti Rh antibodies to determine the blood types of the four samples.
If the blood react with anti-a, then the blood must not have A antigen
</span>If the blood react with anti-b, then the blood must not have B antigen
If the blood react with anti Rh, then the blood must not have Rh antigen
Based on the antigen, you can conclude the result as:
react with anti A= blood type B
react with anti B= blood type A
react with anti A and anti B= blood type O
react with anti Rh= Rh-
not react with anti Rh= Rh+
<span>
9. if a person has type a blood, he or she would have antibodies for what blood type?
Type A blood has antigen A. So that person should not have anti-A antigens. 
The person should have anti-B antibodies because it was a foreign object to him. Depends on the Rhesus type, he can have Rh antibodies too.

10. why is type o negative blood known as the universal donor? why is o positive not a universal donor?

Type O blood doesn't have antigen-A or antigen-B. That means the blood cells won't trigger any reaction on Type A, B, AB, or O blood. Negative rhesus also means that the blood is safe for Rhesus negative or Rhesus positive type. 

Positive O blood type has rhesus antigen, so it will trigger a reaction in Rhesus negative type. </span>
8 0
2 years ago
Read 2 more answers
Demonstrate through chemical modeling what happens to the protein structure (keratin) of curly hair after a chemical relaxer and
NeX [460]

Answer:

Denaturation occurs.

Explanation:

When a chemical relaxer and heat applied to a curly hair, the protein present inside your hair get denature. Due to this denaturation of protein in the hair, the hair are soft and flexible which can be converted into any direction and different styles can be done. If chemical perm or relaxer is applied to straight hairs, it also denature the protein and make the hair curly.

8 0
2 years ago
When an insect touches the bristles on the lobes of a Venus flytrap, the lobes close quickly, engulfing the insect. The movement
Mashcka [7]

Answer: Option C. Predation

Explanation:

The predation type of relationship consists of the interactions between two species and their consequent effects on each other. In the predator prey relationship, one species is feeding on the other species. The prey species is the animal being fed on, and the predator is the animal being fed.

The flytrap is an example of a predator because, it secrete digestive enzymes that kills the insect. The insect is an example of a prey because, the insect was engulfed by the flytrap.

5 0
2 years ago
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Why does the mouthpiece of an aphid contains a high concentration of dissolved sugars after feeding
Korolek [52]
An aphid eats from grass which creates High levels of glucose from the process of photosynthesis therefore when the aphid eats the grass the glucose is transferred to the aphid and as a result has a higher concentration of dissolved sugars
6 0
2 years ago
Describe a food chain for a temperate forest community that contains at least four links. Use the following organisms: grizzly b
bija089 [108]

Answer:

Producer:Oak trees , grass plants ,

Primary consumer: Mice, grasshoppers ,

Secondary consumer:Squirrells(depending on they eat), robbins

Third consumer:deer , foxes, grizzly bears.

Decomposer:Mushrooms

7 0
2 years ago
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