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College Cell Structure and Function Questions

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College Cell Structure and Function
Which of the following regulate what stage occurs in mitosis?
  1. Pohsphofructokinase
  2. ATP synthase
  3. NADPH
  4. Rubisco
  5. Cyclins
College Cell Structure and Function
What do "pumps" do?
  1. synthesize lipids
  2. transport substances into and out of the cell
  3. transport substances from regions of lower concentration to regions of higher concentration
  4. enable cells to stick to each other
  5. respond to stimuli
College Cell Structure and Function
A diploid cell centering mitosis has 10 pairs of chromosomes, it will produce nuclei with a total of                        .
  1. 5 chromosomes
  2. 10 chromosomes
  3. 5 pairs of chromosomes
  4. 10 pairs of chromosomes
College Cell Structure and Function
Which of the following are part of mitosis, but not meiosis?
  1. synapsis
  2. crossing over
  3. formation of bivalents or tetrads
  4. all of these above occur in meiosis, but not mitosis
College Cell Structure and Function
                completes cell division.
  1. Cytokinesis
  2. Interphase
  3. Anaphase
  4. Mitosis
College Cell Structure and Function
Which of the following correctly matches a phase of the cell cycle with its description?
  1. G2: cell division
  2. G1: follows cell division
  3. M: duplication of DNA
  4. S: immediately precedes cell division
  5. All of the above are correctly matched.
College Cell Structure and Function
During which phase in mitosis does cytokinesis occur?
  1. Prophase
  2. Metaphase
  3. Anaphase
  4. Telophase
  5. C and D
College Cell Structure and Function
Where does most ATP production occur?
  1. ribosomes
  2. mitochondrion
  3. rough ER
  4. smooth ER
  5. nucleus
College Cell Structure and Function
What was Matthias Schleiden's contribution to the Cell Theory?
  1. developed first microscope in 1673
  2. discovered and coined the term cell
  3. found that all plants are comprised of cells in 1838
  4. found that all animals are made of cells in 1839
  5. discovered that all cells form from the division of other cells in the 1840's
College Cell Structure and Function
The body must have a way to regulate cells and make sure the cells are not damaged before undergoing mitosis. What happens if a cell has damaged DNA?
  1. M phase occurs
  2. Interphase occurs again
  3. Anaphase
  4. Telophase
  5. Apoptosis
College Cell Structure and Function
A noncompetitive inhibitor inhibits binding of a substrate to an enzyme by
  1. changing the shape of the activation site.
  2. binding to the substrate.
  3. lowering the activation energy.
  4. binding to the active site.
  5. increasing the deltaG of the reaction.
College Cell Structure and Function
Which process is when DNA is used as a template to make more DNA?
  1. Replication
  2. Transcription
  3. Translation
College Cell Structure and Function
Which of the following is a common feature of all cells?
  1. All cells have mitochondria
  2. All cells have organelles
  3. All cells have a nucleus
  4. All cells have ribosomes
  5. All cells are surrounded by a cell wall
College Cell Structure and Function
In which phase of mitosis do the chromosomes look V-shaped?
  1. early prophase
  2. late prophase
  3. metaphase
  4. anaphase
  5. telophase
College Cell Structure and Function
What is the smallest, most basic unit of life?
  1. organ
  2. organ system
  3. cell
  4. tissue
  5. organism
College Cell Structure and Function
The invention of microscopes marked the beginning of the
  1. digital age
  2. cell theory
  3. medical age
  4. revolution
College Cell Structure and Function
Which of the following is a principle of the fluid mosaic model of cell membrane structure?
  1. phospholipids form a bilayer that is largely impermeable to water-soluble molecules
  2. The lipid bilayer is a solid at body temperature, thus protecting the cell
  3. phopholipids consist of a polar head and a nonpolar tail made of three fatty acid chains
  4. all proteins associated with the cell membrane are contained in a fluid layer on the outside of the cell
College Cell Structure and Function
What are the different types of movement through cell membranes?
  1. diffusion
  2. facilitated diffusion
  3. osmosis
  4. filtration
  5. active transport
  6. endocytosis
  7. exocytosis
  8. transcytosis
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