Human Biology Exam 1 Review
Questions with Correct Answers
In the process of digestion, complex carbohydrates are broken down into_______,
while
proteins are broken down into ________.
A. nucleotides; amino acids
B. simple sugars; amino acids
C. nucleic acids; complex sugars
D. amino acids; simple sugars - ANSWER-simple sugars; amino acids
From the "What's So Special About Science?" article, the theory of plate tectonics
________.
a) suggests that relatively high density continental rocks are floating atop lower
density molten rocks
b) was initially rejected by most geologists
c) suggests that the shapes and positions of continents are relatively unchanging
d) was initially accepted by most geologists. - ANSWER-was initially rejected by
most geologists
___________ reactions make polymers while _____________ reactions make
monomers.
A. anabolic; catabolic
B. catabolic; anabolic
C. oxidizing; reducing
D. metabolic; reductive - ANSWER-anabolic; catabolic
Enzymes work by
A. raising cell temperature.
B. lowering cell energy.
C. acetylating carbohydrates.
D. lowering activation energy. - ANSWER-lowering activation energy
All of the biochemical reactions in a cell are described as
A. catabolism.
B. anabolism.
C. activation energy.
D. metabolism. - ANSWER-metabolism
In the figure directly above,
a)The graphed results on the right are more likely due to chance than the results
graphed on the left.
b) performance on memory tests and caffeine intake are not correlated.
c) memory test scores are the independent variable and caffeine intake per day is
the dependent variable.
d) The graphed results on the left are more likely due to chance than the results
graphed on the right. - ANSWER-The graphed results on the left are more likely due
to chance than the results graphed on the right.
, Which of the following statements best distinguishes hypotheses from theories in
science?
a) Theories are hypotheses that have been proven.
b) Hypotheses are tentative guesses; theories are correct answers to questions
about nature.
c) Hypotheses are testable and falsifiable explanations for a scientific observation or
question; theories incorporate scientific hypotheses that have never been falsified,
even after many years of rigorous testing.
d) Hypotheses and theories mean essentially the same thing in science. - ANSWER-
hypotheses are testable and falsifiable explanations for a scientific observation or
question; theories incorporate scientific hypotheses that have never been falsified,
even after many years of rigorous testing.
The arrow in the figure directly above is pointing to a
a) mitochondrion. b) transport protein. c) phospholipid molecule. d) chloroplast. -
ANSWER-transport protein
Osmosis is defined as the
a) diffusion of water across a semipermeable membrane from an area of lower water
concentration to an area of higher solute concentration.
b) diffusion of water across a semipermeable membrane from an area of higher
water concentration to an area of lower solute concentration.
c) diffusion of water across a semipermeable membrane from an area of lower solute
concentration to an area of higher solute concentration.
d) all of the above - ANSWER-diffusion of water across a semipermeable membrane
from an area of lower solute concentration to an area of higher solute concentration.
Light energy is found in units called
A. electrons B. neutrons C. photosynthons D. photons - ANSWER-photons
Which of the following is/are necessary for biofuel production by algae?
a) sugar
b) sunlight
c) soil
d) CO2
e) b and d - ANSWER-b and d
Fructose is a __________ that can be processed in ________________.
a) monosaccharide; the liver
b) polysaccharide; the brain
c) disaccharide; skeletal muscles
d) monosaccharide; the lungs - ANSWER-monosaccharide; the liver
In which of the following would you have the most confidence?
a) a randomized clinical trial with 5,000 subjects
b) a randomized clinical trial with 15,000 subjects
c) an epidemiological study with 15,000 subjects
d) an endorsement of a product by a movie star
Questions with Correct Answers
In the process of digestion, complex carbohydrates are broken down into_______,
while
proteins are broken down into ________.
A. nucleotides; amino acids
B. simple sugars; amino acids
C. nucleic acids; complex sugars
D. amino acids; simple sugars - ANSWER-simple sugars; amino acids
From the "What's So Special About Science?" article, the theory of plate tectonics
________.
a) suggests that relatively high density continental rocks are floating atop lower
density molten rocks
b) was initially rejected by most geologists
c) suggests that the shapes and positions of continents are relatively unchanging
d) was initially accepted by most geologists. - ANSWER-was initially rejected by
most geologists
___________ reactions make polymers while _____________ reactions make
monomers.
A. anabolic; catabolic
B. catabolic; anabolic
C. oxidizing; reducing
D. metabolic; reductive - ANSWER-anabolic; catabolic
Enzymes work by
A. raising cell temperature.
B. lowering cell energy.
C. acetylating carbohydrates.
D. lowering activation energy. - ANSWER-lowering activation energy
All of the biochemical reactions in a cell are described as
A. catabolism.
B. anabolism.
C. activation energy.
D. metabolism. - ANSWER-metabolism
In the figure directly above,
a)The graphed results on the right are more likely due to chance than the results
graphed on the left.
b) performance on memory tests and caffeine intake are not correlated.
c) memory test scores are the independent variable and caffeine intake per day is
the dependent variable.
d) The graphed results on the left are more likely due to chance than the results
graphed on the right. - ANSWER-The graphed results on the left are more likely due
to chance than the results graphed on the right.
, Which of the following statements best distinguishes hypotheses from theories in
science?
a) Theories are hypotheses that have been proven.
b) Hypotheses are tentative guesses; theories are correct answers to questions
about nature.
c) Hypotheses are testable and falsifiable explanations for a scientific observation or
question; theories incorporate scientific hypotheses that have never been falsified,
even after many years of rigorous testing.
d) Hypotheses and theories mean essentially the same thing in science. - ANSWER-
hypotheses are testable and falsifiable explanations for a scientific observation or
question; theories incorporate scientific hypotheses that have never been falsified,
even after many years of rigorous testing.
The arrow in the figure directly above is pointing to a
a) mitochondrion. b) transport protein. c) phospholipid molecule. d) chloroplast. -
ANSWER-transport protein
Osmosis is defined as the
a) diffusion of water across a semipermeable membrane from an area of lower water
concentration to an area of higher solute concentration.
b) diffusion of water across a semipermeable membrane from an area of higher
water concentration to an area of lower solute concentration.
c) diffusion of water across a semipermeable membrane from an area of lower solute
concentration to an area of higher solute concentration.
d) all of the above - ANSWER-diffusion of water across a semipermeable membrane
from an area of lower solute concentration to an area of higher solute concentration.
Light energy is found in units called
A. electrons B. neutrons C. photosynthons D. photons - ANSWER-photons
Which of the following is/are necessary for biofuel production by algae?
a) sugar
b) sunlight
c) soil
d) CO2
e) b and d - ANSWER-b and d
Fructose is a __________ that can be processed in ________________.
a) monosaccharide; the liver
b) polysaccharide; the brain
c) disaccharide; skeletal muscles
d) monosaccharide; the lungs - ANSWER-monosaccharide; the liver
In which of the following would you have the most confidence?
a) a randomized clinical trial with 5,000 subjects
b) a randomized clinical trial with 15,000 subjects
c) an epidemiological study with 15,000 subjects
d) an endorsement of a product by a movie star
