Endosymbiosis Theory Is Proposed in Large Part Because of the Resemblance

question 78

True/False

Endosymbiosis theory is proposed in large part because of the resemblance of mitochondria,and chloroplast structures to prokaryotes.

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Definitions:

Barr Bodies

Inactivated X chromosomes found in the nuclei of cells in female organisms, visible as a dense mass, and a key component in dosage compensation.

Promoters

DNA sequences located near the beginning of a gene that signal RNA polymerase where to start transcription.

Frameshift Mutation

A genetic mutation caused by insertions or deletions of a number of nucleotides in a DNA sequence that is not divisible by three, altering the reading frame.

Nucleotide Sequence

The order of nucleotides in a segment of DNA or RNA, determining genetic information.