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Ugo [173]
4 years ago
13

What serves as hearts for the earthworms circulatory system?

Biology
1 answer:
madam [21]4 years ago
3 0
<span>The five aortic arches serve as hearts.</span>

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Match the definition to the cell structure
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Rough Endoplasmic Reticulum

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Which best compares self-renewal and differentiation?
andreyandreev [35.5K]

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Only differentiation creates more of the same types of cells. ... Only self-renewal creates more of the same types of cells. Only self-renewal depends on gene expression

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What does it mean if there are two different alleles for a trait ?
AURORKA [14]

Answer:

The trait is heterozygous.

Explanation:

Heterozygous: "Having two different alleles of a particular gene or genes."

A heterozygous genotype looks like: Rr. The capital R is a dominant allele, and the lowercase r is a recessive allele. These two alleles are not the same (not two dominant alleles or two recessive alleles) meaning that the trait is a heterozygous trait.

The opposite of a heterozygous trait is a homozygous trait, in which both alleles are the same (both dominant or both recessive) and can look like RR or rr (genotype-wise).

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I'm pretty sure its answer C. Which Is mold.

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