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ArbitrLikvidat [17]
3 years ago
7

What is the dna molecule composed of

Biology
1 answer:
likoan [24]3 years ago
6 0

Answer:

Each strand of a DNA molecule is composed of a long chain of monomer nucleotides. The nucleotides of DNA consist of a deoxyribose sugar molecule to which is attached a phosphate group and one of four nitrogenous bases: two purines (adenine and guanine) and two pyrimidines (cytosine and thymine

Explanation:

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A mutation can be passed on to offspring if it occurs in the
aalyn [17]

I believe the correct answer is chromosome.

<h2>Explanation:</h2>

We inherit 23 chromosomes from our mother and another 23 chromosome pairs from our father. You have to inherit a defective chromosome for you to get the mutation. This is what is called germ line mutation usually carried in the sperm or ovum. Of the 23 chromosomes, 22 are autosomal and 1 is chromosomal meaning of the 23 one of them is X and another one is . You get the Y from your father and the X from your mother.

7 0
2 years ago
Dr. Brantz wants to use neuroimaging to detect which part of the brain is active when a person is lying. He asks half his partic
Katyanochek1 [597]

Dr. Brantz wants to test the part of the brain which is active while lying. For this purpose, he will need to make use of the fMRI (functional magnetic resonance imaging) technique. This technique is used for measuring the brain activity by the means of the detecting changes in the blood flow. The neural activation affects the cerebral blood flow, and this change can be noticed using fMRI.

Hence, the answer is 'fMRI'.

5 0
2 years ago
What type of organism is a pillbug and where do they live?
AlexFokin [52]
A pillbug belings to Kingdom Animalia, Phylum Arthropdoa, and Class Crustacea.
7 0
3 years ago
In Illinois, the two most common crops grown are corn and soybeans. Corn is a that depletes the soil of nitrogen. Soybeans are a
lina2011 [118]

<u>Answer:</u>

<em>Farmers definitely use the information above to plan out their crops from one year to next.</em>

<u>Explanation:</u>

Nitrogen is an essential nutrient required for healthy plant growth. Corn is an important food crop and after its cultivation the soil is depleted of its nitrogen. <em>Cultivation of any crop on soils that lack nitrogen will not yield good result.</em>  

Thus the nitrogen in the soil has to be replenished. Soybean is a crop that has symbiotic bacteria living on its roots. <em>This bacteria help in fixing atmospheric nitrogen.</em> Thus the nitrogen level will get replenished.  

Thus cultivating soybean on the land in the period between <em>harvest and sowing of corn would be a healthy practice that increases yield and maintains soil health.  </em>

7 0
3 years ago
Is any skin growth, such as a callus, in which there is overgrowth and thickening of the skin.
dexar [7]
Hyperkeratosis is amy lesion with overgrowth and thickening of the skin, such as warts, calluses, and corns.
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2 years ago
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