What RNAs do each eukaryotic RNA polymerase produce?
A. RNA pol I - mRNARNA pol II - tRNA and 5s rRNARNA pol III - rRNA
B. RNA pol I - rRNARNA pol II - tRNA and 5s rRNARNA pol III - mRNA
C. RNA pol I - mRNA
RNA pol II - rRNA
RNA pol III - tRNA and 5s rRNA
D. RNA pol I - tRNA and 5s rRNA
RNA pol II - mRNA
RNA pol III - rRNA
R
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Ribotyping
A) bypasses sequencing and sequence alignments. B) exploits unique DNA restriction patterns. C) allows discrimination between species and different strains of a species. D) bypasses sequencing and sequence alignments, exploits unique DNA restriction patterns, and allows discrimination between species and different strains of a species.
The genetic code is essentially the same for all organisms. Based on this information, one can logically assume which of the following statements to be correct?
a. A gene from an organism can theoretically be expressed by any other organism. b. All organisms have experienced convergent evolution. c. The same codons in different organisms translate into the different amino acids. d. DNA was the first genetic material. e. Different organisms have different numbers of different types of amino acids.
The persistence of the sickle-cell anemia allele in some African populations is the result of ____.
A. a high rate of mutation of the normal allele to the sickle-cell anemia allele B. the advantage conferred by the heterozygous form when malaria is prevalent C. nonrandom mating D. a decline in the occurrence of malaria in Africa E. genetic drift
Tiny openings in the epidermis of the leaf that allow air to enter into the leaf are called
A. thylakoids. B. fenestra. C. stomata. D. grana. E. thylakoid spaces.