What carries a signal from one neuron to the next?
A) Neurotransmitter
B) Myelin
C) Synapse
D) Dendrite
A
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How does position effect influence gene expression?
A. Point mutations in promoters frequently occur by this mechanism B. Translocations may result in a promoter that is normally used for one gene now controlling an entirely different gene C. Since this mechanism relies on recombination it relies on the positioning of one allele so that it is under the control of the other allele. D. Translocations always result in a gene being recombined into an area of heterochromatin.
Which of the following is true of transfer RNA?
A) It serves as the site of protein synthesis. B) It is an important component of ribosomes. C) It is responsible for the correct positioning of amino acids in a polypeptide. D) It functions in replication only. E) It is responsible for the correct positioning of amino acids in a nascent polypeptide.
What type of tissue is characterized by adherence to a basement membrane on one side and a free
surface on the opposite? a. connective b. muscle c. nervous d. epithelial e. adipose
Through which of the following structures does urine leave the bladder?
What will be an ideal response?