Isotopes of an element differ due to the number of
A. neutrinos.
B. electrons.
C. both protons and electrons.
D. protons.
E. neutrons.
Answer: E
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a. the same as b. greater than c. less than d. the sum of e. the difference of
Viruses have high count numbers in the ocean
What will be an ideal response?
Which of the following mutations would increase evolutionary fitness?
A) One that increases the frequency of successful reproduction B) One that increases the life span of the organism C) One that removes other alleles from the population D) One that attracts more potential mates without increasing the frequency of reproduction E) One that increases the birth weight of offspring while decreasing the number of offspring
Lactose intolerance is the result of
a. drinking high-fat milk. b. eating a large amount of yogurt. c. low lactase activity. d. a high-fiber diet.