Which of the following investigators was/were responsible for the following discovery? in dna from any species, the amount of adenine equals the amount of thymine, and the amount of guanine equals the amount of cytosine. a) frederick griffith. b) alfred hershey and martha chase. c) oswald avery, maclyn mccarty, and colin macleod. d) erwin chargaff. e) matthew meselson and franklin stahl.

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

What do nitrifying bacteria convert

5points what is term for the process of gathering information through images taken at a distance? o a. global positioning o b. topography o c. remote sensing o d. cartography submit