These individuals determined that DNA was responsible for the process of transduction in T2 phage
A. Hershey and Chase
B. Avery, Macleod, and McCarty
C. Watson and Crick
D. Creighton and McClintock
A
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What do cohesion, surface tension, and specific heat have in common concerning the properties of
water?
a. All are produced by covalent bonding. b. All are properties related to hydrogen bonding. c. All have to do with nonpolar covalent bonds. d. All increase when temperature increases. e. All are produced by covalent bonding and all increase when temperature increases.
The work of Reznick and Endler with guppies
shows all of the following EXCEPT that a. life history traits can be inherited. b. life history traits evolve. c. life history traits can be altered over a short period of time. d. predation does not influence the modification of life history traits. e. life history traits are coded for in DNA.
You have placed cultures in an anaerobe jar, activated the gas pack, and sealed the jar. Later in the day you check the jar and notice that the methylene blue strip is colorless. What does this indicate?
There is a leak in the seal and oxygen is entering the jar. An anaerobic environment has been successfully established within the jar. The chemical reactions in the GasPak have not worked properly and no CO2 has been produced within the jar. The palladium catalyst must be reactivated.
Sexual recombination includes the shuffling of chromosomes in __________ and fertilization.
a. mitosis b. genetic drift c. natural selection d. mutation e. meiosis