Which of the following procedures would be used to introduce DNA into a single mouse cell?
A) Southern blotting
B) electroporation
C) gene gun
D) microinjection
E) protoplast fusion
D
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Which two nucleotides also serve as transporters of chemical energy?
a. ATP and GTP b. ATP and CTP c. ATP and TTP d. CTP and TTP e. CTP and UTP
Which is a likely result of a mass extinction?
a. create “empty niche space” that can stimulate radiation of surviving groups b. eliminate non-beneficial alleles from gene pools c. increase the rate of new mutations d. decrease the rate of new mutations e. cause mutations that have greater than usual effect
Active transport uses ATP to move components in parallel with their concentration gradient, that is: from a high concentration to a low concentartion
a. true b. false
Acid precipitation is due to the addition of ________ to the atmosphere.
Fill in the blank(s) with the appropriate word(s).