The products of maltose fermentation in bread-making are ________.
A. carbon dioxide and water
B. lactic acid and carbon dioxide
C. lactic acid and water
D. ethanol and carbon dioxide
E. ethanol and water
Answer: A
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You are conducting an experiment on plant growth. You take a plant fresh from the soil that weighs 5 kilograms (kg). Then you dry the plant overnight and determine the dry weight to be 1 kg. Of this dry weight, how much would you expect to be made up of o
A) 1 gram B) 4 grams C) 40 grams D) 960 grams E) 1 kg
Many patients who have a certain blood clotting disorder in which the blood clots too readily have a mutation in the promoter of a gene. This mutation most likely
A) deletes a gene for a clotting factor. B) blocks transcription of a clotting factor. C) increases susceptibility to a specific viral infection. D) increases the transcription rate of a particular clotting factor gene.
New combinations of linked genes are due to which of the following?
A) nondisjunction B) crossing over C) independent assortment D) mixing of sperm and egg E) both A and C
Hemophilia is a recessive X-linked genetic disease. A father who has hemophilia will give the defective allele to ___________
a) all of his daughters and none of his sons. b) none of his daughters and all of his sons. c) 1/2 of his daughters and none of his sons. d) all of his daughters and 1/2 of his sons.