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3 years ago

13

What is DNA and where do we find it?

1 answer:

Alexandra [31]3 years ago

4 0

Answer:

DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms.

Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).

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Many sports injury can be prevented by all the following EXCEPT :

klasskru [66]

I would say "avoid over-training". I would say that this would most likely be the correct answer due to the fact that over working your body would be putting your body under too much work that you can really handle. And as you do that, when the real game happens, you could have to sore bones, and thus, this would then lead to an injury.

4 0

4 years ago

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Please please help asap. will give brainliest.

kirill [66]

Answer:

b. learn and follow local rules about open fires, camp stoves, kerosene lanterns, and other sources of fire

c. Clear any brush and other flammable debris from around the fire and a 5 foot radius

I feel that these two options are correct :)

8 0

3 years ago

According to the National Health Survey, the heights of adult males in the United States are normally distributed with mean 69.0

liberstina [14]

Answer: (a) 0.927

(b) 14.2%

Explanation:

Given : According to the National Health Survey, the heights of adult males in the United States are normally distributed .

Mean : $\mu=69$

Standard deviation : $\sigma=2.8$

Let X be a random variable that represents the heights of adult males in the United States .

Z-score : $z=\dfrac{x-\mu}{\sigma}$

(a) For x= 64

$z=\dfrac{64-69}{2.8}\approx-1.79$

For x= 74

$z=\dfrac{74-69}{2.8}\approx1.79$

Using the standard normal distribution table , we have

The deviation 2.8 inches. (a) What is the probability that an adult male chosen at random is between 64 and 74 inches tall :-

$P(64$

Hence, the probability that an adult male chosen at random is between 64 and 74 inches tall = 0.927

b) Since 1 feet = 12 inches

Then , 6 feet = $6\times12=72\text{ inches}$

The z-score corresponds to x=72 :

$z=\dfrac{72-69}{2.8}\approx1.07$

Then , the probability that the adult male population is more than 6 feet tall :-

$P(x>72)=P(z>1.07)=1-P(z$

Hence, the percentage of the adult male population is more than 6 feet tall = 14.2%

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3 years ago

A mood disorder is characterized by an inability to recall important information, usually traumatic or stressful in nature, that

kifflom [539]

I would go for false.

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3 years ago

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The use of _____ during pregnancy is most associated with premature birth, low birth-weight infants, and fetal death.

MA_775_DIABLO [31]

The use of smoking during pregnancy is most associated with premature births ,low birthweight infants ,and fetal death

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3 years ago

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