Specific segments of DNA that are the functional units of inheritance are called ________
A) genes B) telomeres C) chromatids D) chromosomes
Answer: A
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Which intermediate compound(s) in the citric acid cycle is/are often used for biosynthetic pathways as well as carbon catabolism?
A) ?-ketoglutarate B) oxaloacetate C) succinyl-CoA D) ?-ketoglutarate, oxaloacetate, and succinyl-CoA
Consider the human population. With regards to the ABO blood groups there are _____ alleles, ____ possible genotypes, and _____ possible phenotypes.
A. 3, 4, 6 B. 2, 4, 6 C. 2, 3, 4 D. 2, 6, 4 E. 3, 6, 4
After an active cytotoxic T cell binds to an
ailing cell, it releases toxins that
a. poke holes in the cell and cause it to die. b. bind to the cell and prevent it from harming other self cells. c. attract macrophages to the cell. d. poke holes in the cell and cause it to die, and bind to the cell and prevent it from harming other self cells. e. cause all of these to occur
If a couple is planning on having two children, what is the probability that both will be male?
a. 0 b. 1/4 c. 1/2 d. 3/4 e. 1