Which groups contain both unicellular and multicellar members?
A. Bacteria
B. Fungi
C. Protists
D. Animals
E. Both B and D
F. Both C and D
G. Both B and C
Ans: G. Both B and C
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The Principle of ________ states that the 2 alleles present at each gene locus separate from one another during gamete formation and remain distinct.
A. Alleles B. Segregation C. Crossing over D. Dominance E. Independent assortment
Resolution improves when the wavelength of the illuminating light decreases.
Answer the following statement true (T) or false (F)
If rice could be bioengineered to contain more carotene, which is a precursor to vitamin A, what worldwide health problem could be improved?
a. AIDS b. malaria c. rickets d. goiter e. blindness
Which of the following statements about eukaryotic activator proteins is false?
A. They stimulate transcriptional initiation by opening up the double helix. B. They stimulate transcription initiation by promoting the assembly of a transcription initiation complex at the promoter. C. They stimulate transcription initiation by aiding in the assembly of general transcription factors and RNA polymerase at the promoter. D. They stimulate transcription initiation by recruiting proteins that modify chromatin structure.