Most solutes pass through the cytoplasmic membrane via
A. osmosis.
B. diffusion.
C. transport proteins.
D. secretion.
C
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Each of the following is an essential feature of electron transfer from water to NADP+ except
A) PSII. B) PSI. C) coenzyme Q. D) plastocyanin (PC). E) cytochrome b6/f complex.
The work of Oswald Avery, George Beadle, Edward Tatum and many others into the role of DNA laid the foundations of (microbial genetics/microbiology/recombinant DNA technology)
What will be an ideal response?
Which of the following reflects a primary difference between transmission and scanning electron microscopy?
A. Transmission electron microscopy has high resolution, but scanning electron microscopy does not. B. Transmission electron microscopy shows contrast, but scanning electron microscopy does not. C. Transmission electron microscopy has much higher magnification than scanning electron microscopy. D. Transmission electron microscopy shows two-dimensional ultrastructure, while the scanning electron microscopy shows three-dimensional structure. E. Transmission electron microscopy uses light as an illumination source, while scanning electron microscopy uses electron beams as an illumination source.
Charles Darwin's theory of natural selection can best be summarized as: a. The best adapted individuals survive and the weakest die young
b. Populations don't evolve, individuals do. c. Variety among individuals in a population is due more to environmental influence than heredity. d. The best adapted individuals produce more offspring so gradually the population comes to resemble them.