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
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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