The structures in the nucleus that serve as a "mitotic clock" are
A. hormones.
B. ribosomes.
C. telomeres.
D. kinases.
Ans: C. telomeres.
Anatomy & Physiology
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The cells responsible for cell-mediated immunity are the _________.
A) B lymphocytes. B) T lymphocytes. C) plasma cells. D) suppressor T lymphocytes.
Anatomy & Physiology
Which of the following is the unit in a myofibril from Z disk to Z disk?
A) sarcomere B) sarcolemma C) somatic motor fibers D) thick and thin filaments uniting
Anatomy & Physiology
What enzyme is needed for transcription?
A. RNA polymerase B. RNA promoter C. Spliceosomes D. DNA polymerase
Anatomy & Physiology
What part of the nervous system integrates and interprets information from PNS sensory neurons?
A) central nervous system (CNS) B) visceral motor division, or autonomic nervous system (ANS) C) somatic nervous system (SNS) D) sensory (afferent) division
Anatomy & Physiology