Answer Options:
True
False
Answer: True
Question: Which of the following is NOT considered a factor in influencing a reaction rate?
Answer: d) time
Question: Which of the following describes the plasma membrane?
Answer Options:
a) a double layer of protein enclosing the plasma
b) a membrane composed of tiny shelves of cristae
c) a phospholipid bilayer surrounding the cell
d) a single-layered membrane that surrounds the nucleus of the cell
Answer: c) a phospholipid bilayer surrounding the cell
Question: Which of the following would be regarded as an organic molecule?
Answer Options:
a) NaCl
b) NaOH
c) CH4
d) H2O
Answer: c) CH4
Question: Which of the following is NOT considered a factor in influencing a reaction rate?
Answer Options:
a) particle size
b) concentration of reactants
c) temperature
d) time
Answer: d) time
Question: The thoracic cavity contains the_____ it is found_____ to the vertebral cavity.
Answer Options:
a) kidneys and spleen; deep
b) stomach and liver; superficial
c) heart and lungs; anterior
d) digestive viscera; inferior
Answer: c) heart and lungs; anterior
Question: The more the number of protein molecules in the sample solution, the greater is absorbance.
Answer Options:
True
False
Answer: True
Question: The elbow is proximal to the shoulder.
Answer Options:
True
False
Answer: False
Question: Phospholipids make up most of the lipid part of the cell membrane. Since water exists on both the outside and inside of a cell, which of the following phospholipid arrangements makes the most sense?
Answer Options:
a) two back-to-back phospholipid layers with the polar heads facing out on both sides
b) two back-to-back phospholipid layers with the non-polar tails facing out on both sides
c) a single layer of phospholipids with the polar heads facing inside the cell
d) a single layer of phospholipids with the polar heads facing outside the cell
Answer: a) two back-to-back phospholipid layers with the polar heads facing out on both sides
Question: Mitosis ________.
Answer Options:
a) is division of the genetic material within the nucleus.
b) is the formation of sex cells.
c) creates diversity in genetic potential.
d) is always a part of the cell cycle.
Answer: a) is division of the genetic material within the nucleus.
Question: The movement of water across the plasma membrane can be described by all of the following EXCEPT ________.
Answer Options:
a) simple diffusion.
b) passive membrane transport.
c) facilitated diffusion through aquaporins.
d) carrier-mediated facilitated diffusion.
Answer: c) facilitated diffusion through aquaporins.
Question: The anatomical position is characterized by all of the following except ________.
Answer Options:
a) arms at sides
b) palms turned posteriorly
c) body erect
d) thumbs pointed laterally
Answer: b) palms turned posteriorly
Question: What does the formula C6H12O6 mean?
Answer Options:
a) The substance is a colloid.
b) There are 6 calcium, 12 hydrogen, and 6 oxygen atoms.
c) There are 6 carbon, 12 hydrogen, and 6 oxygen atoms.
d) The molecular weight is 24.
Answer: c) There are 6 carbon, 12 hydrogen, and 6 oxygen atoms.
Question: Anatomical position is important because ________.
Answer Options:
a) it provides the greatest circulation to the extremities.
b) it allows a common point of reference for body position to help communicate anatomical relationships.
c) it allows diagrams within textbooks to display a greater surface area of the body with one simple diagram.
d) it is the position most comfortable for hospital patients.
Answer: b) it allows a common point of reference for body position to help communicate anatomical relationships.
Question: What structural level is represented by the coiling of the protein chain backbone into an alpha helix?
Answer Options:
a) tertiary structure
b) secondary structure
c) quaternary structure
d) primary structure
Answer: b) secondary structure
Question: What structural level is represented by the coiling of the protein chain backbone into an alpha helix?
Answer Options:
a) tertiary structure
b) secondary structure
c) quaternary structure
d) primary structure
Answer: b) secondary structure
Question: Passive membrane transport processes include ________.
Answer Options:
a) movement of a substance down its concentration gradient
b) the use of transport proteins when moving substances from an area of low to high concentration
c) consumption of ATP
d) movement of water from an area of high solute concentration to an area of low concentration
Answer: a) movement of a substance down its concentration gradient