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

Biology & Microbiology

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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

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

The bird-rhino relationship is an example of ________

A) parasitism B) mutualism C) predator-prey D) commensalism

Biology & Microbiology