Which of the following best describes DNA's secondary structure?
A) beta-pleated sheet
B) double parallel helical strands
C) turn-loop-turn
D) double antiparallel helical strands
Answer: D
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In plants and algae, which of the following is a by-product of photosynthesis?
A. O2 B. CO2 C. H2O D. C6H12O6 E. H+
Where in a cell does glycolysis occur?
a. cytoplasm b. Golgi body c. nucleoid d. mitochondrion e. rough endoplasmic reticulum
Gene therapy is a modern approach to preventing infectious disease
Indicate whether the statement is true or false
Which sequence of events CORRECTLY describes the initiation and elongation steps of translation in prokaryotic cells?(1) initiator tRNA binds start codon on mRNA(2) small ribosomal subunit binds to mRNA(3) large ribosomal subunit binds(4) tRNA entry and peptidyl transfer reaction(5) translocation of ribosome and release of tRNA
A. 2, 1, 3, 4, 5 B. 1, 3, 2, 4, 5 C. 1, 2, 3, 5, 4 D. 1, 2, 3, 4, 5 E. 2, 3, 1, 5, 4