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denis23 [38]
3 years ago
7

Describe the structure and function of a root hair cell

Biology
1 answer:
Nadya [2.5K]3 years ago
4 0
Root hair cells absorb minerals and water from the soil.


The water absorbed by the root hair cells passes through the plant in xylem tubes, to then reach the leaves. The energy from the sun is then used to convert water(H2O) into hydrogen (H) and oxygen(O2).

I hope this helps
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That the allele that gives human red blood cells increased resistance to malarial parasites also reduces the amount of oxygen th
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Answer:

A (Genotype)

Explanation:

All organisms possess genetic material which contains information required for certain functions/traits. This genetic material is stored as DNA and contains certain segment that encodes functional products (proteins) called GENE. The make-up of the genes responsible for a particular characteristics in an organism is called the GENOTYPE. Genes occur in variant forms called ALLELES, which are inherited from each parent.

These alleles are responsible for the varying expression of a particular trait e.g. allele T can be responsible for Tallness while the variant form, allele t can be responsible for shortness. In this example, we can see that height is the trait here but the different alleles encode varying expression of it. The combination of the alleles received by both parents, which collectively determines the trait to be expressed is the GENOTYPE.

N.B: The genotype refers to the physically invisible genes not the expressed trait itself, which is the phenotype.

In this case, an allele (gene variant) is responsible for the resistance of Red Blood cells and regulates oxygen carried by them. The phenotype is the resistance that the RBC's possess and its reduced ability to carry oxygen but the combination of alleles responsible for that trait is the GENOTYPE.

4 0
4 years ago
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Explanation:

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Why is high blood pressure damaging to the heart?
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What could be the blood type of the unknown person in row one of the diagram?
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