During gene expression, information flows in the following order.
A. RNA ? Transcription ?Proteins
B. DNA ? Translation ? RNA
C. Proteins ? Translation ? RNA
D. DNA ? Transcription ?RNA
E. RNA ? Transcription ? DNA
Answer: B
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Which of the following characterizes parthenogenesis?
A) An individual may change its sex during its lifetime B) Specialized groups of cells grow into new individuals C) An organism is first a male and then a female D) An egg develops without being fertilized E) Both mates have male and female reproductive organs
Examples of shapes in regulatory proteins that are used to bind to DNA include
_____ zinc finger. _____ TATA box. _____ helix-turn-helix. _____ leucine zipper. _____ Doubledomain.
What process is reduced first when photosynthesis
stops? a. A b. B c. C d. D e. E
Which of the following early embryos would be the easiest to distinguish from the others?
a. bird b. honey bee c. human d. snake e. catfish