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Aprili Womack-S.

study stack week 14

QuestionAnswer
Intrinsic control: is sometimes called autoregulation.
Shivering to try to raise your body temperature back to normal would be an example of: the body trying to maintain homeostasis. a negative-feedback mechanism.
Homeostasis can best be described as: a state of relative constancy.
Prostaglandins and steroids share which of the following characteristics? Both have a ring structure in their molecule.
Which of the following is not one of the major groups of organic substances in the human body? Salts
The type of lipoprotein associated with “bad” cholesterol and the production of atherosclerotic changes in blood vessels is: LDL.
Which energy-releasing or energy-transferring molecule does not contain a nucleotide? Creatine phosphate
The alpha helix is an example of which level of protein structure? Secondary
A _____ is a functional group that is temporarily unattached and is highly reactive because of unpaired electrons. free radical
Which lipid is part of vitamin D? Steroids
Which of the following is not true of diffusion? Uses cellular energy
All of the following are examples of passive transport except: endocytosis
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