QUESTION 17 Place the following events of the acrosomal reaction in the correct chronological order. (1) The acrosome re

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QUESTION 17
Place the following events of the acrosomal reaction in the
correct chronological order.
(1) The acrosome releases hydrolytic enzymes.
(2) Sperm-binding proteins on the membrane bind the sperm.
(3) Sperm nucleus enters the egg.
(4) Sperm and egg plasma membranes fuse.
(5) Sperm contacts the egg's jelly coat
5,2,4,3,1
1,2,4,3,5
3,5,2,1,4
5,1,2,4,3
1 points
QUESTION 18
Which among the following statements is NOT an important
function of skeletal system?
conduction of nerve signals.
support and locomotion.
body framework.
calcium homeostasis.
1 points
QUESTION 19
Which among the following statement is INCORRECT?
Motor neurons can cause the secretion of hormones from endocrine
glands in addition to affecting the movement of muscles
Sensory neurons receive a stimulus either directly or from a
specialized sensory receptor cell, and pass the signal on to the
CNS
Sensory neurons send signals away from the CNS and elicit some
type of response
Motor neurons are efferent neurons that leave the CNS and act on
distant cells
1 points
QUESTION 20
During muscular contraction, cross-bridges form between _____
and _____ .
actin; myosin
myosin; troponin
actin; tropomyosin
myosin; tropomyosin