Which scientist(s) identified the transforming substance involved in changing R bacteria to S?
a. Avery and McCarty
b. Griffith
c. Chargaff
d. Hershey and Chase
e. Pauling
a
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Vascular cambium is one of two lateral meristems, the other being cork cambium. A plant grows in diameter primarily through divisions of the vascular cambium
If you pull a small piece of bark off a tree, and then look at its inside surface, what tissue are you looking at (ignore any remaining cells of vascular cambium that may be left)? A. cork cambium B. cork C. xylem D. phloem
Some bacteria in the deep oceans use iron as an
energy source to make carbohydrates from carbon dioxide. These bacteria would be classified as
a. chemoautotrophs. b. chemoheterotrophs. c. photoautotrophs. d. photoheterotrophs. e. decomposers
The force necessary to cause microtubules of cilia and flagella to slide alongside one another is
provided through the action of __________ proteins, which derive the energy to perform their work directly from __________ molecules. a. kinesin; ADP b. kinesin; glucose c. tubulin; ATP d. dynein; ATP e. dynein; ADP
The bird-rhino relationship is an example of ________
A) parasitism B) mutualism C) predator-prey D) commensalism