Modifiers of gene expression include
A) isolated amino acids and tRNAs.
B) specific classes of proteins and RNA molecules.
C) specific classes of lipids and carbohydrates.
D) nicotine and alcohol.
B) specific classes of proteins and RNA molecules.
You might also like to view...
The classic work of Huffaker demonstrated that orange-eating mites were able to survive predation by "mite-eating" mites provided that:
A. the starting size of the orange-eating mite population was large compared to that of the mite-eating mites. B. the starting size of the mite-eating mite population was below a certain threshold. C. the orange-eating mites were provided with ample food sources. D. the orange-eating mites had access to "refuges" where they were safe from predation. E. the mite-eating mites had access to "refuges" where they were isolated from parasites that infected orange-eating mites.
Explain 2 functions of the bright coloration of some coral reef dwellers
What will be an ideal response?
Figure 23.12
?
The structures labeled "5" in the figure are ____.
A. zygospores B. haploid spores C. ascospores D. gametes E. zygotes
Consider the cladogram shown. If we designate species 1 as the outgroup, which species has the greatest number of ancestral character states (plesiomorphies)?
A. 2 B. 3 C. 4 D. 5 E. 6