Four heme molecules could hold a maximum of 16 oxygen molecules
Indicate whether the statement is true or false
F
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Which describes the action of a ligand's competitive antagonist?
A. It binds to a different binding site on the protein, altering the protein shape so that a ligand cannot bind. B. When present, it increases the binding of a ligand to its receptor. C. It decreases the amount of ligand required to activate the protein. D. It blocks the binding of the ligand to its binding site and prevents activation of the protein.
Which of the following is associated with kinematics?
A. force B. displacement C. mass D. all of the above
In the formation of steroidal hormones, cholesterol is first converted to __________
Fill in the blank(s) with correct word
When you go outside on a hot summer day, your body temperature heats up above the normal range. Receptors in your brain detect the change in body temperature. The brain activates nerve cells that send messages to sweat glands, causing the body
temperature to fall as the sweat evaporates from the skin. What part of this feedback loop is the effector? A) increased body temperature B) sweat glands C) brain D) nerve cells