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Ksju [112]
3 years ago
7

D. although protein was part of the composition of the foods in this experiment, it was not the main macromolecule component of

the nut or the marshmallow. why do you think this type of food may have been left out, based on what you learned about the way the fuel is "burned" in the body?
Biology
1 answer:
ikadub [295]3 years ago
4 0
Protein may have been left out, because, it is not used as energy in the body, and thus couldn't be measured in the experiment.






Hope this helps!!!
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<span>Sickle-cell anemia is a recessive disorder caused by the presence of two recessive alleles "s", so genotype is "ss". This disorder is characterized by sickle hemoglobin. In an area with malaria, heterozygous individuals "Ss" (with one dominant allele and one recessive allele) have an advantage. These individuals will have both normal and sickle hemoglobin. But pathogen that causes malaria affect only normal hemoglobin, so heterozygous individuals will have half of the hemoglobin resistant to the pathogen and those individuals are resistant to malaria.</span>

Stabilizing selection favors heterozygotes Ss,  disruptive selection favors dominant (SS) and recessive (ss) homozygotes, while directional selection favors dominant (SS) or recessive (ss) homozygote. Since in this example, people with genotype Ss (heterozygotes) are in advantage, then this is an example of stabilizing selection.

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