Smallpox is a virus that causes a rash that then turns into painful blisters. the last known case of smallpox was in 1977. what is the best explanation for the eradication of smallpox?
a. people are exercising more than they used to.
b. genetic testing determines who is more prone to smallpox.
c. there was an increase in antibacterial products.
d. a vaccine was developed.

Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed ectocarpus siliculosus. its constitution is all the double bonds are cis, and the absolute configuration of the chirality center is s. draw a stereochemically accurate representation of ectocarpene.

What is the next step in muscle contraction after the actin changes shape? (apex)

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.