Some RNA molecules have been discovered that can
A) form primitive cells.
B) duplicate lipid molecules.
C) act as enzymes.
D) convert organic molecules to protocells.
E) degrade proteins.
C
You might also like to view...
The prevention of infection caused by microorganisms is called
A. antisepsis. B. sanitization. C. sterilization. D. disinfection.
. coli strains toxic to humans live in the intestine of ____ without sickening them
I. birds and frogs II. goats and sheep III. cattle and deer
a. I only b. I and II c. II and III d. I and III e. I, II, III
Suppose 64% of a remote mountain village can taste phenylthiocarbamide (PTC) and must, therefore, have at least one copy of the dominant PTC taster allele
If this population conforms to Hardy-Weinberg expectations for this gene, what percentage of the population must be heterozygous for this trait? A) 16% B) 32% C) 40% D) 48%
What is the main benefit that a plant receives from a mycorrhizal association?
a. removal of excess carbohydrates b. enhanced water uptake c. enhanced flow of carbohydrates to the roots d. enhanced mineral ion uptake