Discuss some of the possible ways in which nonsense mutations can potentially be suppressed in a cell
What will be an ideal response?
Answer: Discussions include: organisms that have tRNA molecules with an anticodon that is complementary with a stop codon; a second mutation that corrects for the original mutation; alternate splicing of RNA products; alternate reading frames; etc.
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Rods and cones synapse with:
A. the optic neuron B. bipolar cells C. ganglion cells D. amacrine cells
The system of tubes and sacs that makes enzymes,
proteins and lipids is(are) the a. Golgi bodies. b. ribosomes. c. vesicles. d. lysosomes. e. endoplasmic reticulum.
Cold water contains more oxygen than warm water
Indicate whether the statement is true or false
The sporophyte form of a moss is
A) haploid. B) diploid. C) tetraploid. D) aneuploid. E) either haploid or diploid.