How many types of histone proteins are there?
A. 4
B. 5
C. 7
D. 8
B
Biology & Microbiology
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Which tissue acts to transport nutrients and wastes throughout the body?
a. blood b. adipose tissue c. loose connective tissue d. fibrous connective tissue e. cartilage
Biology & Microbiology
The sex of most mammals, birds, and insects is determined by:
a. the temperature. b. the external environment. c. sex chromosomes. d. chance. e. the internal envronment.
Biology & Microbiology
An IPSP occurs when:
A. ligand-gated chloride channels open. B. ligand-gated calcium channels open. C. voltage-gated chloride channels open. D. both ligand- and voltage-gated chloride channels open.
Biology & Microbiology
A genomic library is a collection of ________ that contains DNA fragments representing most, if not all, of the genome of an organism
Fill in the blank with correct word.
Biology & Microbiology