Alpha helices are stabilized by hydrogen bonds between amino acids that are ______ residues apart
A. 2
B. 4
C. 10
D. 20
E. 100
Answer: B
You might also like to view...
A test cross can be used to do all of the following except
A. determine whether an individual that displays a dominant phenotype is homozygous for the trait. B. determine whether an individual that displays a dominant phenotype is heterozygous for the trait. C. gather genotype information from phenotype information. D. identify the chromosome on which a gene is located.
Australia and Eurasia each have a mouse-like mammal, one a marsupial, the other a placental. These distantly related
species are an example of ____.
a. disjunct dispersal b. disjunct vicariance c. adaptive radiation d. convergent evolution e. distant migration
In plants with ________, root hairs are less abundant because these fungal filaments take over their function for the plant.
A. mycorrhizae B. branch roots C. two pericycles D. lichens
The scala naturae is:
a. the progression of life from simple to complex. b. the ontogeny of an individual. c. the number of vertebrae shared among species. d. the environmental effect on development.