When comparing the solute concentration of two solutions, the ________ solution has a lower solute concentration.
A) hypertonic
B) hypotonic
C) isotonic
D) solvent
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Question 2) As temperature increases, the rate of diffusion of a solute will ________.
A) decrease
B) increase
C) remain the same
D) There is not enough information to answer the question.
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Question 3) ________ are abundant along the plasma membrane of the cells of the small intestine, increasing surface area the absorption of nutrients.
A) Mitochondria
B) Microvilli
C) Lysosomes
D) Peroxisomes
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Question 4) The ________ synthesize(s) lipids and glycogen.
A) mitochondria
B) Golgi apparatus
C) rough endoplasmic reticulum
D) smooth endoplasmic reticulum
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Question 5) What would be the consequence of treating cancer with a drug that disrupts formation of the mitotic spindle?
A) The cytoplasm would not be equally divided.
B) The duplicated sister chromatids would not separate during anaphase.
C) The nuclear envelope would not be broken down to allow the genetic material to escape the nucleus.
D) The chromosomes would not be duplicated.
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Question 6) Electron microscopy allows for ________ magnification of specimens; therefore, ________ cell structures are visible using this form of microscopy.
A) less; fewer
B) greater; fewer
C) greater; more
D) less; more
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Question 7) Which organelle(s) would be most visible in methylene blue-stained cheek cells?
A) mitochondria
B) nucleus
C) rough endoplasmic reticulum
D) smooth endoplasmic reticulum
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Question 8) The cellular events of muscle contraction require a large amount of energy. Which of the following organelles might be abundant in the cells that coordinate these events?
A) mitochondria
B) Golgi apparatus
C) rough endoplasmic reticulum
D) nucleus
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Question 9) The phospholipids of the plasma membrane are arranged as a bilayer because ________.
A) the phospholipids are hydrophilic
B) the phospholipid tails are hydrophilic, whereas the heads are hydrophobic
C) the phospholipids are hydrophobic
D) the phospholipid heads are hydrophilic, whereas the tails are hydrophobic
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Question 10) The plasma membrane contains ________.
A) cholesterol
B) phospholipids
C) phospholipids and cholesterol
D) phospholipids, cholesterol, and proteins
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