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Contact [7]
3 years ago
14

Activation of the sympathetic nervous system A. increases salivation and increases blood pressure. B. decreases salivation and i

ncreases blood pressure. C. decreases salivation and decreases blood pressure. D. increases salivation and decreases blood pressure.
Biology
1 answer:
yaroslaw [1]3 years ago
8 0

Answer:

B. decreases salivation and increases blood pressure

Explanation:

The sympathetic nervous system is part of the autonomous nervous system which controls involuntary responses of the body such as salivation and blood pressure.

The sympathetic nervous system  is majorly responsible for body actions that are produced when threat is perceived. It generates responses referred to as the “fight or flight” response. Examples of such responses include, increased breathing, increased high blood pressure, dilation, decreased salivation, etc.

Activation of the sympathetic nervous system would result in rise in the blood pressure as can be witnessed by someone whose body has perceived a threat or reacting to a stressful situation.

The control of salivary production by the sympathetic nervous system  leads to the release of noradrenaline which acts on certain receptors that results in decrease in the production of saliva. This is evident in a person that is facing a threat also.

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What was the control in Redi's experiment? A. Meat covered by jars that didn't have contact with air B. A straight neck flask to
alina1380 [7]

Answer:

The correct answer is option C. "Uncovered meat that had contact with air".

Explanation:

In 1668, the Italian scientist Francesco Redi performed a celebrated experiment to prove that maggots are not spontaneously created by placing fresh meat in each of two different jars: one opened and one covered with a cloth. Redi used an uncovered meat that had contact with air as a control, expecting that flies will come in and the maggots will be developed as they do in nature.

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3 years ago
In organisms with large genomes, inversions are more likely to be tolerated if the breakpoints occur in: reciprocal translocatio
andre [41]

Answer:

Non-coding DNA.

Explanation:

Inversion is a type of chromosomal abnormality in which the sequence of a segment of a chromosome is inverted or rotated at an angle of 180 degrees.  This type of abnormality can change the reading frame of the gene and can cause mutations.

But if the genome sequence is non-coding that is not involved in the formation of protein synthesis than even if the reading frame is inverted will not affect the phenotype of the cell. Also, the non-coding sequences are removed by the splicing mechanisms.

Thus, Non-coding DNA is correct.

4 0
3 years ago
Which behavior can reduce pollution that occurs due to the use of coal?
mixas84 [53]

Answer:

A

Explanation:

Coal is majorly used to produces electricity. The coal is ignited and the heat produced used to heat water to steam. The steam is then used to drive turbines with a dynamo effect to produce electricity. Turning off lights when not in use reduces the demand for electricity hence reducing the amount of coal needed to meet this demand.

Other ways to conserve energy is using bulbs with low energy demand - such as LEDs - and  improving natural lighting indoors.

3 0
3 years ago
Which of the following terms is most likely to indicate the removal of genetic material?
Vesnalui [34]

Question

Which of the following terms is most likely to indicate the removal of genetic material?

Answer:

A.) gene splice hope this helps!

7 0
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Give me the difference that how mitsuki and kawaki created????<br><br>From episode 189 boruto​
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Answer:

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