Antibodies are shaped like the letter
a. C.
b. E.
c. H.
d. K.
e. none of these.
Answer: e
You might also like to view...
How does deforestation affect local weather? a. Daytime temperatures rise and rainfall is reduced
b. Daytime temperatures remain the same and rainfall increases. c. Daytime temperatures rise and rainfall increases. d. Daytime temperatures fall and rainfall decreases. e. Daytime temperatures fall and rainfall increases.
An embryo sporophyte surrounded by nutritive tissue and then a tough, protective outer coat makes up
a(n) ____ that shelters the embryo from drought, cold, and other adverse conditions.
a. pollen grain b. spore c. ovule d. seed e. strobilus
Which of the following characteristics are shared by all living organisms?
I. hereditary information is passed to offspring II. adaptation to environmental change III. requirement for nutrients IV. DNA housed in a nucleus
a. I and II b. I and III c. II and III d. I, II, and III e. I, II, III, and IV
Widow's-peak hairline in humans is dominant to non-widow's-peak hairline. If a person has a widow's-peak hairline, what is his or her genotype?
A) The genotype is either heterozygous or homozygous dominant. B) The genotype is either homozygous dominant or homozygous recessive. C) The genotype must be homozygous recessive. D) The genotype must be homozygous dominant. E) The genotype must be heterozygous.