The building blocks of nucleic acids are
a. amino acids.
b. nucleotides.
c. 5 carbon sugars.
d. fatty acids.
e. ribosomes
B
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Most skates are:
a. ovoviviparous. b. oviparous. c. live bearers. d. viviparous. e. broadcast spawners.
Primary oocytes' division results in a polar body and a large haploid cell called a(n)
A. follicle cell. B. osteocyte. C. endometrial cell. D. follicle oocyte. E. secondary oocyte.
Which of the following statements about alcohol is false?
a. Alcohol abuse is responsible for more than 30% of all traffic fatalities. b. A typical 170lb male can reach the legal level of intoxication by consuming four drinks in one hour. c. Nearly one of every three high school students experiences negative consequences from alcohol use. d. Coffee can be used to counteract the drowsiness and depressive effects of alcohol consumption. e. Fetal alcohol syndrome is the leading cause of preventable mental retardation in the United States.
A purine base normally pairs with a pyrimidine base.
Indicate whether the statement is true or false.