Cancer can result if
a)mitosis is too infrequent.
b)mitosis is too frequent or does not stop.
c)the cell cycle runs backward.
d)the cell cycle stops. ✔Ans – mitosis is too frequent or does not stop
The secondary structure of a protein molecule is the result of
a)ionic bonds.
b)covalent bonds.
c)hydrogen bonds.
d)oxygen double bonds ✔Ans – hydrogen bonds.
Which of the following lists best illustrates the idea of increasing levels of
complexity?
a)Organelles, cells, tissues, organs, organ systems
b)Cells, tissues, organelles, organs, organ systems
c)Organs, organelles, organ systems, cells, tissues
d)Tissues, cells, organs, organelles, organ systems ✔Ans – Organelles, cells,
tissues, organs, organ systems
Lipids
a)are insoluble in water.
b)include phospholipids, cholesterol, and fats.
c)contain C, H, and O, but with proportionately less oxygen than in
carbohydrates.
d)all of the above. ✔Ans – all of the above.
Metabolism is defined as . a)the removal of wastes produced by chemical reactions b)the breakdown of substances into simpler forms c)all the chemical reactions occurring in an organism that support life d)the taking in of nutrients ✔Ans – all the chemical reactions occurring in an organism that support life 1 / 2 During interphase, a cell rests. True False ✔Ans – False Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not. True False ✔Ans – False The activities of an anatomist consist of , whereas those of a physiologist
consist of . ✔Ans – observing body parts; studying functions of body
parts
An organic compound always contains ✔Ans – carbon and hydrogen.
Which of the following substances is an element?
Glucose
Water
Iron
Sodium chloride ✔Ans – Iron
Cilia and flagella extend from certain cells, enabling the cells to move.
True
False ✔Ans – False
If the concentration of glucose in the water outside of a cell is higher than the
concentration inside, ✔Ans – water will leave the cell by osmosis.
Microfilaments and microtubules are part of the cytoskeleton.
True
False ✔Ans – True
The relationship of osmotic pressure and the number of solute particles in a
solution is: ✔Ans – the greater the number of solute particles, the greater
the osmotic pressure.
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