Which formula below shows a carbohydrate?
A) C2H2O2
B) C6H12O6
C) C21H38O6
D) C4N2H6O3 and 2 R groups
Ans: B) C6H12O6
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The cells active in both innate and adaptive immunity develop from common pluripotent precursors in the bone marrow called
A) B cells. B) killer cells. C) stem cells. D) leukocytes.
What is the correct order of steps during development?
a. Fertilization - cleavage - gastrulation b. Fertilization - gastrulation - cleavage c. Fertilization - differentiation - cleavage d. Gastrulation - fertilization - cleavage e. Cleavage - fertilization - gastrulation
The difference in carrying capacity between the two species when cultured separately is closest to which of the following values?
(A) 0 individuals per 5.0 mL (B) 60 individuals per 5.0 mL (C) 150 individuals per 5.0 mL (D) 350 individuals per 5.0 mL
A gene can be mutated with no resulting functional change in the protein that is produced from that gene if
A) an entire codon has been removed. B) a codon has changed, but it codes for the same amino acid as the original codon. C) the mutation alters the active site of an enzyme. D) RNA polymerase can edit the mutation from the mRNA produced during translation.