Large quantities of antibodies that react to the second entry of antigen and lead to formation of antigen-antibody complexes occurs in
A. anaphylaxis.
B. delayed hypersensitivity.
C. serum sickness.
D. hemolytic disease of the newborn.
Answer: C
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. In fruit flies (Drosophila melanogaster) there is a dominant allele for red eyes and a recessive allele for white eyes. These alleles are located on the X chromosome. If a heterozygous red-eyed female is mated with a white-eyed male, what percentage of the offspring are expected to be white-eyed females? ( Enter the number only without the percent sign. For example, enter 100% as 100 and enter 12.5% as 12.5 )
What will be an ideal response? Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about X-linked inheritance? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
Describe the different distinct forms that regions of proteins can have. Why are these forms so important?
What will be an ideal response?
All of the following are factors in enzymecatalyzed
reactions that work alone or in combination to lower the activation energy EXCEPT a. helping substrates get together. b. orienting substrates in positions favoring reaction. c. breaking the laws of thermodynamics. d. shutting out water molecules. e. inducing a fit between enzyme and substrate
Which of the following help neutralize free radicals that form in the body?
A) Amino acids B) Antioxidants C) Lipids D) Minerals E) Monosaccharides