What is the major function of histones?
a) needed for helix formation of the DNA
b) add negative charge to the DNA
c) help organize coiling and folding of the DNA
d) degrade faulty proteins in the nucleus
e) catalyze methylation of the DNA
Answer: c
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Identify the following
Reciprocal inhibition means that while one sensory nerve is stimulated, another sensory neuron for synergistic muscles in the same area is inhibited and cannot respond
Indicate whether the statement is true or false
A person normally has two alleles of a gene because
A) all genes come in only two varieties. B) there isn't enough DNA to accommodate more than this. C) one allele of a gene is carried on each of two homologous chromosomes. D) DNA only comes in two forms.
Which part of the brain functions to send incoming sensory signals to the appropriate cortical areas?
A. Pons B. Thalamus C. Hypothalamus D. Cerebellum