A metabolic reaction requires 40 units of enzymatic activity to proceed. If a dominant allele D can generate 40 units of enzyme and a mutant allele d" generates 20 units of enzyme, what can be said of the dominant wild-type allele?
What will be an ideal response?
D is haplosufficient.
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In the 1930s, Dr. Asbjor Folling described the metabolic disorder he called ____
a. phenylketonuria b. galactosemia c. sickle cell anemia d. lactose intolerance e. phenylthiocarbamide
The chromosome shorthand ________ is used to designate a normal male.
A) 45, X B) 46, XX C) 46, XY D) 47, XXY
Approximately, how many varieties of edible
apples existed in the days of Johnny Appleseed?
a. 6 b. 16 c. 160 d. 1600 e. 16,000
What are the advantages of C4 and CAM photosynthesis as compared to C3 photosynthesis?
a. High sugar production can be maintained on hot, dry days. b. Water is not necessary for the light-dependent reactions. c. Carbon dioxide is not needed for the light-independent reactions. d. Less sugar is necessary for metabolic activities. e. Light dependent reactions are more efficient.