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: Dividing cells must pass through the phases of mitosis the following order: Prophase, Metaphase, Anaphase, and Telophase.
Answer Options:
True
False
Answer: True
Question: The elbow is proximal to the shoulder.
Answer Options:
True
False
Answer: False
Question: A type of transport protein found in the plasma membrane of cells lining the inside of the intestine allows sodium ions to diffuse down their concentration gradient. The ions move through the transport protein, and into the cell. These transport proteins will use the kinetic energy of the diffusing sodium ions to bring glucose into the cells as well. This transport protein would best be described as a ________.
Answer Options:
a) symporter
b) a pump
c) a carrier protein
d) a channel
Answer: a) symporter
Question: Some of the nerve endings in the skin are sensitive to changes in temperature. They are part of a negative feedback mechanism regulating body temperature. These nerve endings represent an_____ in the negative feedback mechanism.
Answer Options:
a) control center
b) receptor
c) effector
d) homeostatic balance or “ideal” value
Answer: b) receptor
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: The main component of the cytosol is ________.
Answer Options:
a) salts
b) water
c) proteins
d) sugars
Answer: b) water
Question: The atomic weight is an average of the relative weights (mass numbers) of all the isotopes of an element.
Answer Options:
a) True
b) False
Answer: a) True
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: 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: d) carrier-mediated facilitated diffusion
Question: Atom X has 17 protons. How many electrons are in its valence shell (outermost energy level)?
Answer: d) 7
Question: In which stage of mitosis do the identical sets of chromosomes uncoil and resume their chromatin form?
Answer Options:
a) metaphase
b) telophase
c) prophase
Answer: b) telophase
Question: The lower the pH, the higher the hydrogen ion concentration.
Answer Options:
True
False
Answer: True
Question: Place the following in correct sequence from simplest to most complex:
molecules
atoms
tissues
cells
organs
Answer Options:
a) 2-1-3-4-5
b) 2-1-4-3-5
c) 1-2-4-3-5
d) 1-2-3-4-5
Answer: b) 2-1-4-3-5