ATP is chemically related most closely to which of the following?
A. glucose
B. testosterone
C. phospholipid
D. thymine nucleotide
E. tryptophan amino acid
Answer Key: D
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Which is most analogous to the role of GFP in recombinant DNA technology?
A. Creating a metagenomic library representing archaea bacteria that thrive in the hot springs of Yellowstone National Park. B. Comparing the RFLP patterns of DNA from various suspects to DNA isolated from the scene of a crime using gel electrophoresis. C. Monitoring the spread of multi-drug resistant pathogens on a hospital floor by comparing antibiotic susceptibility patterns. D. Using dyes to stain and detect bacteria under light microscopy from the sputum of a patient diagnosed with tuberculosis.
One of the reasons that pufferfish are a good species to compare to humans is because
A. it is so easy to hybridize the two and investigate the consequences. B. they are so distantly related that it's easy to distinguish mutually conserved sequences. C. the introns are often identical. D. of the rapid response time in pufferfish to artificial selection. E. they have been separated for so many millions of years and yet the gene sequence is almost identical.
Which of the following is a colonial organism closely related to the evolutionary precursors of present-day plants?
a. Euglena b. Dictyostelium discoideum c. Volvox d. Arabidopsis thaliana
Which sequence of structures through which water passes into a root is correct?
A) guard cell, endodermis, cortex, xylem B) root hair, cortex, xylem, endodermis C) epidermis, cortex, endodermis, xylem D) root hair, xylem, endodermis, phloem