Khan Academy Biological And Biochemical Foundation
Khan Academy Biological and Biochemical Foundation
Exam (elaborations)
Khan Academy Biological and Biochemical Foundations of Living Systems Passages || with 100% Error-free Solutions.
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Khan Academy Biological and Biochemical Foundation
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Khan Academy Biological And Biochemical Foundation
Hallmark of X-linked disorders? correct answers mother to son transmission
males get one of the mother's X chromosomes and the Y from the father
if something is x-linked dominant and a mother has it. all sons will have it
If a female who has Bruton's syndrome married a male who did not hav...
Khan Academy Biological and Biochemical Foundations of
Living Systems Passages || with 100% Error-free Solutions.
Hallmark of X-linked disorders? correct answers mother to son transmission
males get one of the mother's X chromosomes and the Y from the father
if something is x-linked dominant and a mother has it. all sons will have it
If a female who has Bruton's syndrome married a male who did not have the disease, what
phenotypes would their progeny exhibit?
Bruton's syndrome is x-linked recessive correct answers all of the females will be normal (get the
normal X from the father and a disease X from the mother.. need both so the phenotype is
normal)
all of the males will have the disease (get none from the father and a disease X from the mother)
** males get no allele from the father in x-linked
what is the function of urease? correct answers Catalyzes the degradation of urea to ammonia
and CO2
"-ase" enzyme degrades the root of the word. So urease degrades urea
Which reactant, aside from sialic acid, would be necessary for neuraminidase to catalyze its
reaction?
from the passage:
"Neuraminidase is normally found on the influenza virus protein coat and hydrolyzes sialic acid
molecules" correct answers water
to hydrolyze something, an enzyme needs water
The rate of the uncatalyzed hydrolysis of sialic acid is 107 times slower than the rate of the same
reaction with the neuraminidase catalyst. What accounts for this difference? correct answers
Neuraminidase lowers the activation energy, thereby making the reaction more kinetically
favorable
the enzyme can't change the thermodynamics of the reaction, just the kinetics
Which fundamental principle surrounding enzymes explains why transition state analogues are
able to act as potent inhibitors of naturally occurring enzymes? correct answers the induced fit
theory
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