SCI 221 PHYSIOLOGY EVALUATION EXAM QUESTIONS
AND SOLUTIONS RATED A+
✔✔The types of lipids found that form hormones, such as cortisone, estrogen, and
testosterone are: - ✔✔steroids.
✔✔Which lipid acts as a "tissue hormone"? - ✔✔Prostaglandin
✔✔Prostaglandins and steroids share which of the following characteristics? - ✔✔Both
have a ring structure in their molecule.
✔✔All of the following substances are organic except: - ✔✔electrolytes.
✔✔DNA - ✔✔is a double-helix strand of nucleotides
✔✔Peptide bonds join together molecules of: - ✔✔They include substances commonly
called sugars.
They are the body's primary source of energy.
They are a part of both DNA and RNA.
✔✔Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be
included in the diet, are called: - ✔✔essential amino acids.
✔✔The type of lipoprotein associated with "bad" cholesterol and the production of
atherosclerotic changes in blood vessels is: - ✔✔LDL
✔✔unsaturated fats - ✔✔will kink or bend because of the double bonds between the
carbon atoms.
✔✔Which of the following is not true of RNA - ✔✔It contains ribose sugar.
It contains adenine.
It is composed of smaller molecules called nucleotides.
✔✔Amino acids frequently become joined by: - ✔✔peptide bonds
✔✔A structural lipid found in the cell membrane is a: - ✔✔phospholipid.
steroid
✔✔The roles played by proteins can be divided into which categories? - ✔✔Structural
and functional
✔✔When two molecules of glucose are joined, they form which disaccharide? -
✔✔Maltose
, ✔✔What is the most important factor in determining the physical and chemical
properties of fatty acids? - ✔✔Degree of saturation
✔✔Which of the following is not true of diffusion? - ✔✔Uses cellular energy
✔✔Which is true about the sodium and potassium pump? - ✔✔Three sodium ions are
taken out of the cell.
✔✔During which stage of mitosis do the centrioles move to the opposite poles of the
cell? - ✔✔Prophase
✔✔When the chromosomes align themselves across the equator of the spindle fibers, it
is characteristic of which phase of mitosis? - ✔✔Metaphase
✔✔All of the following occur as a result of meiosis except: - ✔✔chromosome number
remains at 46
✔✔Twenty-three chromosomes per cell in humans is referred to as: - ✔✔haploid.
✔✔NaCl would move through the cell membrane in which direction? - ✔✔Both into and
out of the cell
✔✔Which of the following is not true of RNA? - ✔✔It contains deoxyribose sugar
✔✔Which is not true about the sodium and potassium pump? - ✔✔Sodium moves into
the cell and potassium moves out of the cell.
✔✔A sequence of three bases forms a(n): - ✔✔codon
✔✔The correct order of the phases of mitosis is: - ✔✔prophase, metaphase, anaphase,
telophase
✔✔Phagocytosis is an example of: - ✔✔endocytosis
✔✔Diffusion requires - ✔✔concentration gradient
✔✔All of the following are examples of passive transport except: - ✔✔endocytosis
✔✔Two solutions of different concentrations of glucose are separated by a membrane
that allows both glucose and water to pass through. When dynamic equilibrium is
reached, there will be: - ✔✔an even exchange of material across the membrane.
✔✔Extensive weight training causes the muscle cells to: - ✔✔hypertrophy
AND SOLUTIONS RATED A+
✔✔The types of lipids found that form hormones, such as cortisone, estrogen, and
testosterone are: - ✔✔steroids.
✔✔Which lipid acts as a "tissue hormone"? - ✔✔Prostaglandin
✔✔Prostaglandins and steroids share which of the following characteristics? - ✔✔Both
have a ring structure in their molecule.
✔✔All of the following substances are organic except: - ✔✔electrolytes.
✔✔DNA - ✔✔is a double-helix strand of nucleotides
✔✔Peptide bonds join together molecules of: - ✔✔They include substances commonly
called sugars.
They are the body's primary source of energy.
They are a part of both DNA and RNA.
✔✔Humans can synthesize 13 of 21 basic amino acids; the remaining 8, which must be
included in the diet, are called: - ✔✔essential amino acids.
✔✔The type of lipoprotein associated with "bad" cholesterol and the production of
atherosclerotic changes in blood vessels is: - ✔✔LDL
✔✔unsaturated fats - ✔✔will kink or bend because of the double bonds between the
carbon atoms.
✔✔Which of the following is not true of RNA - ✔✔It contains ribose sugar.
It contains adenine.
It is composed of smaller molecules called nucleotides.
✔✔Amino acids frequently become joined by: - ✔✔peptide bonds
✔✔A structural lipid found in the cell membrane is a: - ✔✔phospholipid.
steroid
✔✔The roles played by proteins can be divided into which categories? - ✔✔Structural
and functional
✔✔When two molecules of glucose are joined, they form which disaccharide? -
✔✔Maltose
, ✔✔What is the most important factor in determining the physical and chemical
properties of fatty acids? - ✔✔Degree of saturation
✔✔Which of the following is not true of diffusion? - ✔✔Uses cellular energy
✔✔Which is true about the sodium and potassium pump? - ✔✔Three sodium ions are
taken out of the cell.
✔✔During which stage of mitosis do the centrioles move to the opposite poles of the
cell? - ✔✔Prophase
✔✔When the chromosomes align themselves across the equator of the spindle fibers, it
is characteristic of which phase of mitosis? - ✔✔Metaphase
✔✔All of the following occur as a result of meiosis except: - ✔✔chromosome number
remains at 46
✔✔Twenty-three chromosomes per cell in humans is referred to as: - ✔✔haploid.
✔✔NaCl would move through the cell membrane in which direction? - ✔✔Both into and
out of the cell
✔✔Which of the following is not true of RNA? - ✔✔It contains deoxyribose sugar
✔✔Which is not true about the sodium and potassium pump? - ✔✔Sodium moves into
the cell and potassium moves out of the cell.
✔✔A sequence of three bases forms a(n): - ✔✔codon
✔✔The correct order of the phases of mitosis is: - ✔✔prophase, metaphase, anaphase,
telophase
✔✔Phagocytosis is an example of: - ✔✔endocytosis
✔✔Diffusion requires - ✔✔concentration gradient
✔✔All of the following are examples of passive transport except: - ✔✔endocytosis
✔✔Two solutions of different concentrations of glucose are separated by a membrane
that allows both glucose and water to pass through. When dynamic equilibrium is
reached, there will be: - ✔✔an even exchange of material across the membrane.
✔✔Extensive weight training causes the muscle cells to: - ✔✔hypertrophy
