Which of the following contribute to evolutionary change over time?
a. changes in RNA
b. changes in DNA
c. changes in proteins
d. changes in cells
Ans: b. changes in DNA
Biology & Microbiology
You might also like to view...
Which molecules are broken down by trypsin, elastase, and chymotrypsin?
a. lipids b. proteins c. peptides d. amino acids
Biology & Microbiology
What molecule is the body’s main energy source?
a. oxygen b. carbon dioxide c. glucose d. fats e. proteins
Biology & Microbiology
In animals, the ________ enzyme cuts pri-miRNA to produce miRNA
Fill in the blank(s) with correct word
Biology & Microbiology
Hominins are
A. chimpanzees and gorillas. B. all forms of humans, extinct and extant. C. the lesser apes. D. arboreal primates.
Biology & Microbiology