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balandron [24]
3 years ago
14

Define essential nutrient.

Biology
2 answers:
marysya [2.9K]3 years ago
3 0

Answer:

Here:

Explanation:

They are nutrients that are not produced inside your body but your body needs it to survive. One example is Omega-3 fatty acid which is an essential fatty acid.

Dvinal [7]3 years ago
3 0

Answer:

Substance that must be obtained from the diet because the body cannot make it in sufficient quantity to meet its needs.

Explanation:

Hope this answers your question :)

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natka813 [3]

answer for this question is A

4 0
3 years ago
Desmosomes form channels that allow each cardiocyte to electrically stimulate its neighbors. True False
dimulka [17.4K]

Answer:

False

Explanation:

The most specific feature of cardiac muscles is the presence of intercalated discs. Intercalated disc connects the ends of cardiac muscle fibers to one another. The discs have desmosomes and gap junctions. The function of desmosomes is to hold the cardiac fibers together. The gap junctions of cardiac fibers allow muscle action potentials to spread from one cardiac muscle fiber to another. These gap junctions have tubular connexons that form channels and connect the cytosol of adjacent cardiocytes to allow the flow of ions and spread of action potential from one cell to another.  

5 0
3 years ago
A certain Drosophila protein-encoding gene has one intron. If a large sample of null alleles of this gene is examined, will any
Alex

Answer:

a) Yes

b) Yes

c) Yes

d) Yes

Explanation:

a. In the exons?

Yes mutant site will be expected. It will transcript-ed as well and it can be a polypeptide depending on the mutation type.

b. In the intron?

Yes mutant site will be expected. It will be transcript-ed as well and it cannot be a  polypeptide  

c. In the promoter?

Yes mutant site will be expected. It will not be transcript-ed and it cannot be a  polypeptide

d. In the intron-exon boundary?

Yes mutant site will be expected. It will be transcript-ed and it cannot be a  polypeptide

3 0
3 years ago
Is The sun warms up the swimming pool conduction or radiation
jenyasd209 [6]

Answer:

Given that water is clear and colorless, it seems that it will absorb very little direct radiation from the sun. The sides and the bottom of the pool can however heat it by conduction.

Explanation:

hope it help and if it doesnt sorry;)

5 0
3 years ago
Read 2 more answers
Has a nucleus and a cell wall that contains chitin
Karo-lina-s [1.5K]
Prokaryotes.
I hope this helps!!
4 0
3 years ago
Read 2 more answers
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