Which of the following characteristics is(are) a basic property of cells?
A) cells posses a genetic program and the means to use it.
B) Cells are capable of producing more of themselves
C) cells are highly complex and organized
D) cells acquire and utilize energy
E) all of the choices are correct
Ans: E) all of the choices are correct
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The two strands of the DNA double helix are held together by
A) 5' to 3' attraction. B) hydrogen bonds between nucleotide bases. C) codons. D) peptide bonds between nucleotide bases.
Which of the following is not a function of the signal recognition particle (SRP)?
A. halts translation B. binds to the ribosome C. binds to the channel in the rough endoplasmic reticulum D. targets certain proteins to be synthesized on the rough endoplasmic reticulum
What does pharmacogenomics determine about a patient to help with dosage of drugs such as
warfarin?
a. warfarin metabolism genes b. body size c. other diseases the patient may have d. medications the patient is taking e. patient age
When a predatory female firefly sees the flash from a male of a different species and replies as though she was a female of his species, this is specifically classified as a(n) ________
a. pheromone-based communication b. illegitimate signal c. communication signal d. deception