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BIO 124 WEEK 8 Final Exam 1
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BIO 124 WEEK 8 FINAL EXAM 1Home / My courses / 18SUCMP BIO-124-20103 / Week 8 / Final Exam
Started on Monday, July 16, 2018, 9:39 PM
State Finished
Completed on Monday, July 16, 2018, 11:19 PM
Time taken 1 hour 39 mins
Grade 60.00 out of 100.00
Question 1
Correct
Mark 1.00 out of 1.00
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, What does “d” represent in the figure showing vessels and organs of the lymphatic
system?
Select one:
a. The spleen
b. The thymus gland !
c. The axillary lymph nodes
d. The tonsils
e. The inguinal lymph nodes
The correct answer is: The thymus gland
Question 2
Incorrect
Mark 0.00 out of 1.00
What are the structures in plants that are responsible for taking in carbon dioxide?
Select one:
a. the roots
b. the flowers
c. the stems "
d. the fruits
e. the leaves
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, The correct answer is: the leaves
Question 3
Not answered
Marked out of 1.00
What two structures function in gas exchange?
Select one:
a. stomata and lenticels
b. stomata and the palisade layer of a leaf
c. root hairs and nodes of stems
d. root tip and apical meristem
e. lenticels and the cuticle
The correct answer is: stomata and lenticels
Question 4
Correct
Mark 1.00 out of 1.00
Which of the following is a service provided by fungi for human benefit?
Select one:
a. food and drinks
b. antibiotics !
c. rubber
d. clothes
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, d. clothes
e. shelter
The correct answer is: antibiotics
Question 5
Not answered
Marked out of 1.00
What correctly describes the movements of actin and myosin fibers?
Select one:
a. Binding with ATP shortens the muscle fiber; reverse binding elongates the fiber
b. The energy from breaking down ATP to ADP + P is used to convert actin into
myosin
c. The calcium ions are used as energy to split ATP to shorten the fiber
d. When ADP and P come off myosin, the crossbridges move the actin filaments
to shorten the muscle fiber
e. Actin filament heads break down ATP and then attach to a myosin filament to
form cross-bridges
The correct answer is: When ADP and P come off myosin, the crossbridges move the
actin filaments to shorten the muscle fiber
Question 6
Correct
Mark 1.00 out of 1.00
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