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College Cell Structure and Function Questions

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College Cell Structure and Function
The value for Ψ in root tissue was found to be -3.3 bars. If you take the root tissue and place it in a 0.1 M solution of sucrose at 20°C in an open beaker, what is the Ψ of the solution, and in which direction would the net flow of water be?
  1. -2.4 from inside the root tissue to the outside of the root tissure
  2. -3.3 from outside the root tissue to inside the root tissue
  3. -2.4 from outside the root tissue to inside the root tissue
  4. 2.4 from inside the root tissue to outside the root tissue
College Cell Structure and Function
Glycolipids are made up of glycerol + 2 fatty acids + sugars.
  1. True
  2. False
College Cell Structure and Function
How does the second law of thermodynamics apply to living organisms?
  1. All of the reactions in an organism require an input of energy.
  2. Living organisms require a constant input of energy to maintain complex structures and order.
  3. As energy transformations occur, free energy increases and unusable energy decreases.
  4. The potential energy of ATP is converted to kinetic energy, as with muscle contractions.
  5. It does not apply to living organisms; the complexity of organisms contradicts the second law.
College Cell Structure and Function
RNA codons code for amino acids according to genetic code. AUG is a start code. What are the 3 STOP codes?
  1. GAU, AGU, and AAU
  2. UAA, UGG, and UGA
  3. UAA, UAG, and UGA
  4. TAA, TAG, and TGG
College Cell Structure and Function
Transcription is                                                           
  1. the formation of a polypeptide chain in a cell's cytoplasm
  2. the formation of a mRNA molecule from a DNA strand
  3. the loss of water from a plant.
  4. The addition of electrons to a molecule
College Cell Structure and Function
The mitotic phase of the cell cycle includes what two major events?
  1. DNA replication and karyokinesis
  2. karyokinesis and centriole replication
  3. protein synthesis and cytokinesis
  4. karyokinesis and cytokinesis
  5. none of the above
College Cell Structure and Function
Which of the phases below have checkpoints?
  1. G1
  2. G2
  3. S
  4. M phase
  5. A, B, and D
College Cell Structure and Function
What is voltage across a membrane, of which an example would be K+ movement into and out of a cell?
  1. membrane in action
  2. nerve cell
  3. balanced state
  4. membrane potential
College Cell Structure and Function
All of the following except                 are types of Vesicular Transport.
  1. Phagocytosis
  2. Transcytosis
  3. Endocytosis
  4. Osmosis
College Cell Structure and Function
RNA serves as the master blueprint for protein synthesis.
  1. True
  2. False
College Cell Structure and Function
Glycolipids can act as a cell identity marker.
  1. True
  2. False
College Cell Structure and Function
These are undifferentiated cells that are not yet performing any specialized function
  1. fat cells
  2. keratinocytes
  3. stem cells
  4. leukocytes
College Cell Structure and Function
The nucleus may be referred to as the cell's genetic control center.
  1. True
  2. False
College Cell Structure and Function
The order of the following items from largest to smallest is
  1. atom, proton, molecule, organelle
  2. organelle, molecule, atom, proton
  3. proton, atom, molecule, organelle
  4. molecule, atom, proton, organelle
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