Imagine that the short DNA base sequence GGCTGC is transcribed and then translated by a ribosome
The following activated tRNA molecules are available in the cytoplasm:
tRNA Anticodon Amino Acid
GGC proline
CGU alanine
UGC threonine
CCG glycine
ACG cysteine
CGG alanine
What resulting dipeptide will form?
A) Cysteine-alanine
B) Proline-threonine
C) Alanine-alanine
D) Glycine-cysteine
E) Threonine-glycine
B
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The nitrogenous bases adenine and thymine are
A) both purines. B) both pyrimidines. C) a purine and a pyrimidine, respectively. D) a pyrimidine and a purine, respectively.
Which of the following is/are TRUE?
What will be an ideal response?
Sugar dissolves readily in water because it is a(n) ____ substance
a. adhesive b. cohesive c. hydrophilic d. hydrophobic e. evaporative
Bacteria perform the following ecological roles. Which role typically does not involve symbiosis?
a. Skin commensalist b. Pathogen c. Decomposer d. Bioluminescent bacteria in fish e. Gut mutualist