Which level of protein structure do the ?-helix and the ?-pleated sheet represent?
A) primary
B) secondary
C) tertiary
D) quaternary
E) primary, secondary, tertiary, and quaternary
Answer: B
You might also like to view...
Arctic and alpine tundras have all of the following in
common EXCEPT a. low moisture. b. permafrost. c. minimal plant life. d. cold temperatures. e. nutrient-poor soils.
An autosomal dominant condition that causes a person to grow no taller than about 4 feet 4 inches is
a. Marfan syndrome. b. Tay-Sachs disease. c. Huntington disease. d. achondroplasia. e. phenylketonuria.
In the figure, the star represents a recent mutation at a gene locus. The letters represent other loci. B Which other locus is most likely to be in linkage disequilibrium with the mutation (all else being equal; assume a sexually reproducing organism)?
A. Based on the supplied information, there is equal probability of linkage disequilibrium at all loci. B. D C. A D. C E. B
Why might spinach be more nutritious than iceberg lettuce?
What will be an ideal response?