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TLS Online TPP Program

#Question id: 11541

The steroid hormone aldosterone affects only a small number of cells in the body because ________.

#Zoology
  1. only target cells are exposed to aldosterone
  2. only target cells contain aldosterone receptors
  3. aldosterone is unable to enter nontarget cells
  4. nontarget cells destroy aldosterone before it can produce any effect
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TLS Online TPP Program

#Question id: 956

#Biochemistry

What type of reaction is shown below?  Amino acid + α-Ketoglutarate⇋ α-Keto acid + Glutamate
TLS Online TPP Program

#Question id: 957

#Biochemistry

Which is not produced from the degradation of branched-chain amino acids?
TLS Online TPP Program

#Question id: 961

#Biochemistry

Which type of organisms can eliminate excess nitrogen by the direct excretion of ammonia?
TLS Online TPP Program

#Question id: 962

#Biochemistry

The carbon in urea originates from ________.
TLS Online TPP Program

#Question id: 963

#Biochemistry

________ is hydrolytically cleaved to directly yield urea in the urea cycle.
TLS Online TPP Program

#Question id: 964

#Biochemistry

In mammals, ureogenesis occurs almost exclusively in the ________.