As the resolution of a microscope system improves, the size of the smallest object that can be seen clearly ________.
A. is larger.
B. is not affected.
C. is smaller.
Answer: C
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Based on the same graph, transport of substances B and C
A) exhibits saturation kinetics. B) involves transporter proteins. C) is not directly dependent on the B and C permeability coefficients. D) is likely faster than simple diffusion. E) All of the above are correct.
In humans, normal skin pigmentation is influenced by a dominant gene (C) which allows pigmentation
to develop. All individuals who are homozygous for the recessive allele (c) are unable to produce an enzyme needed for melanin formation and are therefore referred to as albino. Two normal parents produce an albino child. What are the chances that the next child will be an albino? What will be an ideal response?
Your city is considering a proposal to build a new algae-based biofuel plant. What benefits would this have over traditional fossil fuels? (check all that apply)
A. It contributes less carbon to the atmosphere overall. B. The kelp fronds would provide habitat for endangered sea otters. C. It is a renewable resource. D. The algae can be filtered from the water and used for fuel without refinement. E. Biofuel doesn't need to be burned to provide energy. F. The system could be paired with wastewater treatment.
The regulation of expression of the C. elegans gene lin14 by lin4 was one of the first known animal examples of
a. a gain-of-function mutation. b. nested genes. c. a riboswitch. d. an antisense gene. e. RNA interference.