What is the female organ of intercourse which also serves as the birth canal?
a. vagina
b. cervix
c. uterus
d. oviduct
e. clitoris
a
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Enzymes that break down DNA catalyze the hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these enzymes?
A) The two strands of the double helix would separate. B) The phosphodiester linkages of the polynucleotide backbone would be broken. C) The purines would be separated from the deoxyribose sugars. D) The pyrimidines would be separated from the deoxyribose sugars. E) All bases would be separated from the deoxyribose sugars.
There is a significant amount of genetic variation among humans
A. true B. false
Cytoplasmic inheritance refers to genes found in ____
a. sex chromosomes b. mitochondria and chloroplasts c. viruses d. bacteria e. linkages
Which of the following has two polynucleotide strands?
A) Ribosomal RNA B) DNA C) Messenger RNA D) Transfer RNA E) RNA polymerase