Chloroplasts and mitochondria have relatively small, circular chromosomes. This observation is evidence which supports the endosymbiotic theory, proposing that chloroplasts and mitochondria arose from which of the following?

A. naked DNA
B. other eukaryotic cells
C. viruses
D. protists
E. bacteria


E. bacteria

Biology & Microbiology

You might also like to view...

Men are 20 times more likely to develop systemic lupus erythematosus (SLE) than women

Indicate whether the statement is true or false.

Biology & Microbiology

An EPSP is an example of a(n) graded potential

____________________ Indicate whether the statement is true or false.

Biology & Microbiology

Bacterial growth is usually graphed using ________ axis scales.

a) arithmetic b) exponential c) logarithmic (semi-logarithmic) d) inverse

Biology & Microbiology

Cell-mediated immunity is a function of

A) NK cells. B) T lymphocytes. C) B lymphocytes. D) dendritic cells. E) macrophages.

Biology & Microbiology