About how many base pairs are there in the DNA of human cells?
A. 1 million
B. 20 million
C. 3 billion
D. 10 billion
E. 100 billion
Answer: C
Biology & Microbiology
You might also like to view...
What do cephalopods and crustaceans have in common?
a. they both have sharp, tearing beaks. b. both have compound eyes. c. both are nektonic predators. d. in males, both transfer spermatophores into the female.
Biology & Microbiology
Some of the noncellular substances found in plasma include water, electrolytes, hormones, and gases.
a. true b. false
Biology & Microbiology
About what percentage of the human DNA codes for polypeptides?
a. 2% b. 5% c. 8% d. 50% e. 86%
Biology & Microbiology
Huntington's disease is caused by a:
a. rare recessive allele. b. nucleotide triplet repeat. c. monosomic condition. d. dominant X-linked allele. e. deletion of part of chromosome 4.
Biology & Microbiology