Proteins function ____
a. as energy carriers
b. as the ‘backbone' of the DNA molecule
c. as component parts of enzymes
d. in energy storage within the cell nucleus
e. in transmission of genetic information
c
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While they are simple relative to cells, viruses often have a very diverse collection of components. Which one of the following choices is LEAST likely to be found as part of a virus?
A. proteins with functional binding sites B. membrane components C. single-stranded DNA D. ribosomes E. glycoproteins Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about virus structure? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which is true concerning cell division?
A. During meiosis I, sister chromatids pair up and then are separated B. An asexually reproducing organism needs mitosis to produce a genetically diverse set of daughter cells in order to maintain genetic diversity C. When comparing the parent and daughter cells, meiosis differs in both the ploidy level and ploidy number, whereas mitosis differs in neither D. During crossing over, an allele for brown eyes may be switched with an allele for brown hair
Which of the following statements about the Galápagos finches is false?
A) The Galápagos finch species differ in their feeding habitats. B) Each island in the Galápagos chain has one and only one isolated, unique species of Darwin's finch. C) Most speciation events of the Galápagos finches occurred when some finches made it to another island, evolved in isolation, and accumulated enough changes to become a new species. D) The evolution of the Galápagos finches is an excellent example of adaptive radiation.
The production of NADH takes place during the ________ stage(s) of glycolysis
A) energy-conservation B) energy-investment C) lysis D) lysis and energy-investment E) energy-investment and energy-conservation