mason_wills
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Usually, enzymes are ______.
A) monosaccharides
B) phospholipids
C) proteins
D) steroids
E) fats
Facilitated diffusion across a biological membrane requires ______ and moves a substance ______ its concentration gradient.
A) transport proteins . . . against
B) energy . . . down
C) transport proteins . . . down
D) energy and transport proteins . . . down
E) energy and transport proteins . . . against
Substances that plug up an enzyme's active site are ______.
A) enzyme inhibitors
B) enzyme products
C) reagents
D) enzyme substrates
E) reactants
Which of the following is most like a signal transduction pathway in a cell?
A) catching fish using a fishing pole
B) a person answering the door to their home after someone rings the doorbell
C) a physician removing a thorn from a person's foot
D) a person mixing together water, milk, and cake mix to make a cake
E) a person parking a car in a parking space
A) monosaccharides
B) phospholipids
C) proteins
D) steroids
E) fats
Facilitated diffusion across a biological membrane requires ______ and moves a substance ______ its concentration gradient.
A) transport proteins . . . against
B) energy . . . down
C) transport proteins . . . down
D) energy and transport proteins . . . down
E) energy and transport proteins . . . against
Substances that plug up an enzyme's active site are ______.
A) enzyme inhibitors
B) enzyme products
C) reagents
D) enzyme substrates
E) reactants
Which of the following is most like a signal transduction pathway in a cell?
A) catching fish using a fishing pole
B) a person answering the door to their home after someone rings the doorbell
C) a physician removing a thorn from a person's foot
D) a person mixing together water, milk, and cake mix to make a cake
E) a person parking a car in a parking space