Which of these will respond most strongly to red light?
a. S cones
b. L cones
c. M cones
d. rods
b. L cones
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The nitrogenous base that is only found in DNA and not in RNA is: rev: 02_22_2014_QC_45858
A. cytosine. B. uracil. C. adenine. D. thymine. E. guanine.
Dwarf plants are often short because they produce less gibberellin than taller varieties of the same species. What other scenarios might lead to dwarf plants? Choose all that apply.
_____ DELLA proteins that can't bind transcription factors as well. _____ GID proteins that can't bind gibberellin as well. _____ DELLA proteins that bind transcription factors more strongly than normal. _____ GID proteins that can't bind DELLA proteins as well.
Which cellular protein is found in tight junctions?
A) occludins B) tubulin C) connexons D) cadherins E) dynein
The scientist who elucidated the three-dimensional structure of hemoglobin is:
A) Max Perutz B) Linus Pauling C) Frederick Sanger D) Robert Corey E) John Kendrew