Prior to 1940, which type of molecule did scientists consider to be the best candidate for the genetic material?

a. a protein molecule
b. a carbohydrate molecule
c. a DNA molecule
d. a lipid molecule


Answer: a. a protein molecule

Biology & Microbiology

You might also like to view...

The sugar found in DNA is a(n) ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

Humans have 22 pairs of autosomes plus one sex chromosome pair. How many autosomes are present in a normal human primary spermatocyte?

A) 22 B) 23 C) 44 D) 45 E) 46

Biology & Microbiology

Retired football players are _____ times more likely to die of neurodegenerative brain damage than the general public

a. three b. four c. five d. six e. ten

Biology & Microbiology

__________ is the only disease to have been eradicated from causing natural infections. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology