If you forgot the decolorization step while performing a Gram stain, which outcome would you expect?
A. Gram-positive bacteria would stain pink.
B. Gram-positive bacteria would be unstained.
C. Gram-negative bacteria would be unstained.
D. Gram-negative bacteria would stain purple.
Answer: D
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Why is antigenic drift a problem for the immune system?
A. It requires a new, primary response by B cells. B. The ability of MHC to present antigen is affected. C. T cell receptors may not recognize the altered antigen. D. Two answer options are correct: It requires a new, primary response by B cells AND T cells may not recognize the altered antigen.
The type of inflammation of the gum in which bacteria grow in pockets between the gums and the teeth and in which teeth may become loose is called ________
Fill in the blank(s) with correct word
If chlorophyll a is blocked from absorbing light, what would be the effect on the ability of the plant to do photosynthesis?
A. The plant will have an enhanced ability to carry out light-dependent reactions B. The plant will have an enhanced ability to carry out light-independent reactions C. The plant will have a decreased ability to carry out light-dependent reactions D. The plant's ability to carry out photosynthesis will be unchanged, as one of the accessory pigments can fill in for chlorophyll a 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 the role of pigments during photosynthesis? What other information is related to the question? Choose Answer Do you have all the information needed to determine what would happen? 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?
The alleles present in an individual make up the individual's
A) recombinant types. B) recessiveness. C) dominance. D) phenotype. E) genotype.