The individuals who determined that Griffith's transforming principle was DNA were __________
A. Hershey and Chase
B. Avery, Macleod, and McCarty
C. Watson and Crick
D. Creighton and McClintock
B
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Cap
A. is involved in positive control. B. stands for cyclic amp protein. C. works in conjunction with cAMP. D. is involved in negative control. E. is involved in positive control AND works in conjunction with cAMP.
Which statement about seedless vascular plants is true?
a. Seedless vascular plants tend to thrive in moist environments. b. Liverworts and horsetails are seedless vascular plants. c. Ferns are the earliest group of seedless vascular plants. d. Seedless vascular plants absorb nutrients through exposed surfaces.
Essential amino acids are defined as those amino acids that:
What will be an ideal response?
Which of the following is the best explanation for why vegetable oil is a liquid at room temperature while animal fats are solid?
A) Vegetable oil has more double bonds than animal fats. B) Vegetable oil has fewer double bonds than animal fats. C) Animal fats have no amphipathic character. D) Vegetable oil has longer fatty-acid tails than animal fats have.