Chromatin is defined as ________
A) hybrid molecules of DNA and RNA
B) a catalytic molecule with a protein component and an RNA component
C) supercoiled loops of bacterial DNA
D) DNA complexed with protein
E) genetic material found only in mitochondria
Answer: D
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Which is the dominant greenhouse gas leading to global warming of the atmosphere?
A. CO2 B. CH4 C. H2O D. NO2
In E. coli the enzyme responsible for creating unsaturated bonds from saturated ones in the fatty acids of the cell membrane is ________.
Fill in the blank(s) with the appropriate word(s).
The field of ____________________ involves the identification of disease biomarkers and protein targets for drug development
Fill in the blank(s) with correct word
The simplest nervous system found in nature is the nerve net. An example of an organism that senses and responds to its environment with this ancient system would be
A. a jellyfish. B. a cockroach. C. an earthworm. D. a frog. E. a fiddler crab.