Why does the process of making biofuels from weeds and other plant matter require additional steps?
a. They contain a higher proportion of cellulose than corn, soy or sugarcane.
b. They contain a lower proportion of cellulose than corn, soy or sugarcane.
c. They contain a higher proportion of starch than corn, soy or sugarcane.
d. They contain a higher proportion of ethanol than corn, soy or sugarcane.
e. They contain a lower proportion of ethanol than corn, soy or sugarcane.
ANSWER: a
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You have been asked to design a synthetic DNA motif, able to bind transcriptional regulatory proteins. The location on this motif that you will design for protein binding is the
A. minor groove of the DNA double helix. B. major groove of the DNA double helix. C. phosphate backbone of the DNA double helix. D. sugar backbone of the DNA double helix. E. available hydrogen-bonds of bases in single-stranded DNA. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about transcriptional regulatory proteins? Consider Possibilities · Consider the different answer options. Which can you rule out? 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 test is the confirming test for people who initially tested antibody-positive in the screening ELISA test?
A. Quellung test B. Radioimmunoassay (RIA) C. Ouchterlony double diffusion D. Immunelectrophoresis E. Western blot
An allele is dominant in a heterozygote when it is
A.) expressed and the other allele is not. B.) a very common allele in a population. C.) the stronger of the two alleles. D.) more desirable than the other allele.
A protein is identified that starts a signal cascade leading to the activation of a gene that promotes cell division. This protein is coded for by a
a. oncogene. b. tumor suppressor gene. c. proto-oncogene. d. carcinogen.