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Physiology Exam I Review Questions And Answers
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Physiology Exam I Review Questions And Answers Which of the following is a membrane bound organelles that provides a protected environment for oxidative reactions? Peroxisome Which of the following is a membrane bound organelle filled with digestive enzymes? Lysosomes Which of the following ...

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  • January 10, 2024
  • 12
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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Physiology Exam I Review Questions And Answers

Which of the following is a membrane bound organelles that provides a protected
environment for oxidative reactions?
Peroxisome
Which of the following is a membrane bound organelle filled with digestive
enzymes?
Lysosomes
Which of the following is an organelle that is composed of ribosomal RNA (rRNA)
and proteins?
Nucleolus
What is an organelle that is continuous with the nuclear membrane and serves as
a storage site for the intracellular calcium?
Endoplasmic Reticulum
In which phase of the cell cycle are the chromosomes replicated?
S Phase
In which phase of the cell cycle does the cell spend a majority of its time?
G1 Phase
What is the shortest phase of the cell cycle?
M Phase
In which phase of mitosis is the mitotic spindle checkpoint active?
Metaphase
In which phase of mitosis do the chromatins condense, and the centrosomes
separate to opposite ends of the nucleus?
Prophase
In which phase of mitosis does the nucleus envelope break down, the
chromosomes become condensed, and a kinetochore is formed at the
centromere?
Prometaphase
In which phase of mitosis do the centromeres split, make two free chromatids,
and migrate towards opposite poles?

, Anaphase
In which phase of mitosis produces the cleavage furrow and cytokinesis?
Telophase
What phase of mitosis is shown in the figure?
Prophase
What phase of mitosis is shown in the figure?
Prometaphase
What phase of mitosis is shown in the figure?
Metaphase
What phase of mitosis is shown in the figure?
Anaphase
What phase of mitosis is shown in the figure?
Telophase and Cytokinesis
The activity of what cyclin/Cdk complex is required for a cell to transition from G2
into mitosis?
cyclinB-Cdk1
The activity of what cyclin/Cdk complex moves the cell into S phase?
cyclinD-Cdk4/6
The activity of what cyclin/Cdk complex is required for a cell to transition from G1
to S phase?
cyclinE-Cdk2
What cell structure is a target for chemotherapeutics?
microtubules
What cytoskeletal component protects the cell from mechanical stresses?
Intermediate Filaments
What cytoskeletal component is important in microvilli and muscular
contractions?
Actin filaments
What cytoskeletal component acts as a transportation system inside the cell?
Molecular motors
How is signaling through the nicotinic acetylcholine receptor terminated?

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