Which of the following is associated with the production of multiple mRNAs from a single gene?
A) alternative splicing
B) spliceosome mutations
C) polycistronic organization
D) gene rearrangement
E) both spliceosome mutations and polycistronic organization
Answer: A
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Match the terms appropriately
a. nitrogen-containing base, sugar, phosphate group(s) b. copy of an organism c. chromosome that does not determine sex d. DNA wrapped around histones e. fills in gaps, seals breaks in a DNA strand f. two chromosomes copies of each g. adds nucleotides to a growing DNA strand________ nucleosome________ clone________ nucleotide________ diploid________ DNA ligase________ DNA polymerase________ autosome
Which of the following represents the target of infection for viroids?
a. plants, animals, and humans b. plants and animals c. bacteria, plants, animals, and humans d. plants
Compare the hormonal effects of norepinephrine with its function as a neurotransmitter. How do these effects reinforce each other to help an individual survive?
What will be an ideal response?
Conjugating ciliates exchange a pair of haploid micronuclei that undergo mitosis as a diploid micronucleus, while the macronucleus in each
A. divides by meiosis. B. is expelled from the cell. C. fuses with each other. D. shrinks and becomes diploid micronuclei. E. disintegrates.