An ATP molecule consists of an adenine, a ribose, and three phosphates.
Indicate whether the statement is true or false
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Question 2) Disuse of the joints ____________ which hastens stiffening.
A) degenerates cartilage B) causes injuries
C) hampers blood flow D) causes arthritis
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Question 3) The heart is part of the ______ system.
Fill in the blank(s) with correct word
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Question 4) The capitulum and trochlea are located
A) in the hand. B) at the distal end of the ulna.
C) at the distal end of the humerus. D) at the proximal end of the humerus.
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Question 5) _____________ are building blocks of nucleic acids.
Fill in the blank(s) with correct word
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Question 6) Muscle fibers are basically a collection of
A) synapses. B) muscles.
C) sarcomeres. D) connective tissue fibers.
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Question 7) The central nervous system (CNS) consists of
A) spinal and cranial nerves. B) the cerebrum and cerebellum.
C) the brain and spinal cord. D) nerves in the upper and lower limbs.
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Question 8) Elderly persons may become less able to maintain stable body temperature because
A) their sebaceous glands become overactive.
B) the skin becomes too oily.
C) the number of sweat glands diminishes.
D) they sweat excessively.
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Question 9) Which of the following neuroglia are not part of the CNS?
A) Satellite cells B) Microglia
C) Ependymal cells D) Astrocytes
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Question 10) A rate-limiting enzyme usually acts at the end of a metabolic pathway.
Indicate whether the statement is true or false
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