The risk of developing cancer can be decreased by:
a. increasing the amount of nitrates in the diet.
b. exposing questionable tumors to x-rays.
c. increasing the amount of unprocessed fruits in the diet.
d. examining the breasts and testes every two years.
e. exposing neoplasms to UV radiation
C
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To answer questions 76–80 refer to the four items listed below
a. cDNA b. restriction enzyme c. reverse transcriptase d. gene library M 76. This is from a viral source and catalyzes reactions to construct DNA strands from mRNA. M 77. This is any DNA made from mRNA transcripts. M 78. This is a nuclease whose only function is to cut apart foreign DNA entering a cell. M 79. These are collections of host cells that house cloned DNA. M 80. This is an enzyme used to produce cDNA.
Plant life in the different biomes is limited only by the amount of sunlight
Indicate whether the statement is true or false
Identify the following reaction: Glucose + Fructose ? Sucrose + Water
A) dehydration synthesis reaction B) hydrolysis reaction C) exchange reaction D) reversible reaction E) ionic reaction
An example of artificial passive immunity would be
A. a fetus acquiring maternal IgG to the chickenpox virus across the placenta. B. giving a person immune serum globulins to chickenpox virus after exposure to the disease. C. chickenpox vaccine triggers extended immunity to chickenpox. D. chickenpox infection is followed by lifelong immunity.