Protein sources that provide all the amino acids that cannot be manufactured in the body are considered ________

Biology

1 answer:

madam [21]3 years ago

3 0

Answer:

Complete

Explanation:

Complete proteins (or high biological value proteins), are those that contain all the essential amino acids (one that the organism is unable to synthesize but is necessary for its functioning) in optimal amounts and proportions to meet organic needs.

A incomplete protein (or low biological value protein), does not have one or more essential amino acids in sufficient quantities.

The main sources of complete protein are eggs, milk, meat, fish and poultry. The essential amino acid mixture present in eggs was considered to be the best among food sources.

Most vegetable proteins (lentils, beans, peas, soybeans), in turn, are incomplete in terms of protein content and therefore have a relatively lower biological value.

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OverLord2011 [107]

Answer:

Yes, P. Falciparum and T. Cruzi undergo similar antigenic variation because of repetitive genomes evolved by time.

Explanation:

Living (i.e., actively proliferating) repeats are dynamic elements which reshape their host genomes by generating rearrangements, creating and destroying genes, shuffling existing genes, and modulating patterns of expression. Dead repeats (i.e., those which are no longer able to proliferate) constitute a palaeontological record, which can be mined for clues about evolutionary events and impetus. The dynamic nature of repeats leads to a rapid evolutionary divergence that can be used in species identification and phylogenetic inference. Repeats can also provide passive markers for studying processes of mutation and selection.

The genomes of these protozoan parasites, like all eukaryotic genomes, have been colonized by diverse repetitive elements. Repetitive sequences can be artificially divided into two groups: interspersed repeats and tandemly repeated DNA. P. falciparum undergoes antigenic variation ans similar anitgenic variation is present in t. cruzi because of repetitive sequences resembling each other.