About how many different proteins have been identified in the human body?
a. 200
b. 2,000
c. 20,000
d. 200,000
d
You might also like to view...
Eduardo loves Sue regardless of the things she does. According to humanists, Eduardo is exhibiting ____
a. ?unconditional positive regard b. ?conditional positive regard c. ?external locus of control d. ?low self-efficacy
A scientific source must be a primary source or secondary source; a source cannot be both primary and secondary.
Answer the following statement true (T) or false (F)
Approximately ______ percent of Americans age 12 and over have tried marijuana at least
once. a. 20 c. 60 b. 40 d. 80
Smoking harms the fetus ________.
A. through the expansion of the mother's blood vessels, which affects blood flow to the uterus B. by removing carbon monoxide from red blood cells, which damages the central nervous system C. by preventing gene methylation and reducing levels of cadmium D. through a combination of effects, including epigenetic modification