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oksian1 [2.3K]
3 years ago
11

The structure of a DNA molecule is a

Biology
2 answers:
poizon [28]3 years ago
4 0

Answer:

double helix is the answer

Nata [24]3 years ago
3 0

Answer:

double helix, which is made up of a nitrogenous base, a five-carbon sugar (deoxyribose), and a phosphate group. There are four nitrogenous bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine).

Explanation:

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Which best summarizes the effects of mutations on organisms?
iren [92.7K]

Answer:

A Mutations are sometimes helpful, sometimes harmful, and sometimes neutral.

Explanation:

I did the test.

6 0
3 years ago
Read 2 more answers
After a client is treated for a spinal cord injury, the healthcare provider informs the family that the client is a paraplegic.
otez555 [7]

After a client is treated for a spinal cord injury the health care provider informs the family that the client is a paraplegic. Given the situation the nurse is expected to provide an explanation to the family without using jargon words. Paraplegic is known to be a condition where a patient’s lower extremities are paralyzed.

5 0
3 years ago
Which statement regarding the hypothalamus is FALSE?
Margarita [4]

Answer:

All the options are correct regarding hypothalamus.

Explanation:

The hypothalamus is the part of the forebrain. The diencephalon is divisible into 2 parts - thalamus and hypothalamus. It regulates various functions of the body.

This is the thermoregulatory center of the body. It gives the signal to sweat during a hot environment and shiver in winter. This maintains the water balance in the body by stimulating the secretion of ADH hormone in the kidney.

Hypothalamus also has regulated anterior pituitary hormone secretion. Thus it controls the endocrine secretion of pituitary glands.

This plays an important role in hunger and thirst. The feeding habits like the licking of lips, swallowing, and salivating by seeing delicious foods is due to hypothalamic activities.

The behavioral activities of individuals influenced by the hypothalamus.  It is worked along with the limbic system of the brain. The behavioral activities include fear, punishment and sexual desire.

6 0
3 years ago
How many neutrons does the element sodium (Na) contain?
sweet-ann [11.9K]

Answer:

a) 12 neutrons

Explanation:

The atomic mass is 22.990, which can be rounded to 23 and is the combination of protons and neutrons. The atomic number is 11 (protons), and 23-11=12, whoch would be the neutron number

Hope this helps :)

8 0
3 years ago
The structural integrity of bacteria is to peptidoglycan as the structural integrity of plant spores is to
Westkost [7]

Answer:

Lignin.

Explanation:

The structural integrity of plant spores is lignin that is present in many parts of the plant. This lignin provides hardness to the plant body which help them to stand the plant erect. If this lignin is not present in the plant body the plant will not stand erected. This lignin is present in large amount in the stem of plant body so that's why the lignin provides structural integrity to plant spores

7 0
3 years ago
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