EXAM QUESTIONS AND ALL CORRECT ANSWERS
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The sternum (breastbone) is ____ to the vertebral column
(backbone) -
ANSWER-
anterior
Lysosome are best described as - ANSWER-a membranous
sac that is the "garbage disposal " of the cell since it contain
powerful enzymes that can break down foreign substance.
Difference between active and passive transport across the
cell membrane & example of each type of transport - ANSWER-
Active transport requires the use of ATP. Passive does not.
Filtration is an example of passive and exocytosis is an
example of active.
What is negative feedback - ANSWER-the body maintains
homeostasis by
, moving away from the cause of reaction to
maintain a set point.
What is positive feedback - ANSWER-the body moves in the
opposite direction
of the set point for a short period of time to maintain
homeostasis
What is the difference between acidosis and alkalosis in
reference to the human
body - ANSWER-acidosis is when the body has a overload of
acid in the body
and the pH drops to 7.0-7.35 and alkalosis is when the body
is in a alkaline
state and the pH raises between
7.5-7.8
What is a organic compound - ANSWER-contains carbon and
hydrogen
Two types of organic substance - ANSWER-carbohydrates
lipids proteins
nucleic
acid