Cell Biology Quiz

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Questions and Answers

What is cytology?

  • The study of cell composition
  • The study of cells (correct)
  • The study of cell metabolism
  • The study of cell division

What does the current cell theory hold?

  • All living things are composed of cells (correct)
  • Cells do not contain hereditary material
  • Living things can exist without cells
  • All cells have the same shape and size

What is the function of the plasma membrane?

  • Produces energy for the cell
  • Stores genetic material
  • Acts as a barrier (correct)
  • Regulates cell metabolism

Where is the genetic material stored in animal and plant cells?

<p>Nucleus (C)</p> Signup and view all the answers

What is found between the plasma membrane and nucleus?

<p>Cytosol (B)</p> Signup and view all the answers

What do eukaryotic cells have that prokaryotic cells do not?

<p>Nucleus (C)</p> Signup and view all the answers

What is the function of organelles in a cell?

<p>Vital functions for the cell (A)</p> Signup and view all the answers

What is the role of the cell wall in plant cells?

<p>Provides structural support (D)</p> Signup and view all the answers

What is the composition of all cells according to the text?

<p>Chemical composition is quite similar (A)</p> Signup and view all the answers

Where do metabolic processes associated with life occur?

<p>Within cells (A)</p> Signup and view all the answers

What is the study of cells called?

<p>Cytology (A)</p> Signup and view all the answers

What is the function of the central vacuole in plant cells?

<p>Maintains cell pressure and consists of water and nutrients (C)</p> Signup and view all the answers

What is the primary function of chloroplasts in plant cells?

<p>Produce sugars through photosynthesis (C)</p> Signup and view all the answers

What is the role of the cytoskeleton in a cell?

<p>Provide shape, structural support, and scaffold for organelles (D)</p> Signup and view all the answers

Which type of filamentous protein is responsible for cellular locomotion and muscle contractions?

<p>Microfilaments (C)</p> Signup and view all the answers

What is the primary function of intermediate filaments in a cell?

<p>Protect cells from mechanical stresses (A)</p> Signup and view all the answers

What is the structure of flagella and cilia in cells?

<p>A cylindrical array of 9 pairs evenly-spaced microtubules (A)</p> Signup and view all the answers

Which organelle is not found in animal cells?

<p>Chloroplast (B)</p> Signup and view all the answers

What is the primary function of the cell wall in plant cells?

<p>Provides structural stability to the cell (B)</p> Signup and view all the answers

What is the function of the central vacuole in plant cells?

<p>Maintains cell pressure and consists of water and nutrients (C)</p> Signup and view all the answers

Which organelle is responsible for maintaining cell pressure (turgor) in plant cells?

<p>Central vacuole (B)</p> Signup and view all the answers

Which type of filamentous protein is used as tracks for organelle movement in a cell?

<p>Microtubules (B)</p> Signup and view all the answers

What is the primary function of microtubules in a cell?

<p>Instrumental in chromosome movement during cell division (A)</p> Signup and view all the answers

What is the composition of centrioles?

<p>Nine triplet microtubules (A)</p> Signup and view all the answers

What is the primary function of smooth endoplasmic reticulum (SER)?

<p>Synthesis of fatty acids and steroid hormones (D)</p> Signup and view all the answers

Where are vesicles usually transported from smooth endoplasmic reticulum (SER) for further processing?

<p>To the Golgi complex (A)</p> Signup and view all the answers

What is the structure of the Golgi complex?

<p>Stack of slightly curved saccules (C)</p> Signup and view all the answers

What is the function of ribosomes in a cell?

<p>Protein synthesis (D)</p> Signup and view all the answers

What is the role of vesicles produced by the endoplasmic reticulum?

<p>Transport substances for exocytosis (C)</p> Signup and view all the answers

Where are the Golgi complex and endoplasmic reticulum located in a cell?

<p>Near the nucleus (A)</p> Signup and view all the answers

What is the primary function of rough endoplasmic reticulum (RER)?

<p>Processing and sorting area for proteins (A)</p> Signup and view all the answers

Which organelle is responsible for breaking down phagocytosed bacteria in the body?

<p>Golgi complex (A)</p> Signup and view all the answers

What is the primary function of the nuclear pores in the nuclear envelope?

<p>Prevent genetic material from leaving the nucleus (D)</p> Signup and view all the answers

What is the primary function of the nucleolus in a eukaryotic cell nucleus?

<p>Produces ribosomes (D)</p> Signup and view all the answers

Which organelle is responsible for the endless production of ATP through cellular respiration?

<p>Mitochondria (D)</p> Signup and view all the answers

Where does glycolysis occur in cellular respiration?

<p>First step (A)</p> Signup and view all the answers

What is the primary function of the Golgi complex in a cell?

<p>Produces lysosomes (A)</p> Signup and view all the answers

What is the primary function of the nuclear envelope in a eukaryotic cell?

<p>Cover and protect the nucleus (A)</p> Signup and view all the answers

What is the role of the mitochondria in a cell?

<p>Convert nutrients into usable energy in the form of ATP (A)</p> Signup and view all the answers

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