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
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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