BIO 101 EXAM QUESTIONS ANSWERS VERIFIED
100% CORRECT
Which combination describes the plasma membrane?
A) Hydrophilic interior, hydrophobic exterior
B) Hydrophilic interior and exterior
C) Hydrophobic interior, hydrophilic exterior
D) Hydrophobic interior and exterior - ANSWER C
Identify the substrate in the following reaction: Sucrose →
Fructose + Glucose
A) Sucrose
B) Fructose
C) Glucose
D) Fructose and glucose - ANSWER A
The elements that make up the bulk of the Human body are...
A) Carbon, Water and Nitrogen
B) Carbon, Hydrogen, Oxygen and Nitrogen,
C) Carbon, Helium, Oxygen, Nitrogen and
D) Carbon, Oxygen, Nitrogen and Iron - ANSWER B
The earth's crust and Human bodies are made of the same
elements in similar amounts.
True
False - ANSWER False
In chemical bonding, when the bonded atoms share electrons, it
is specifically called ________.
A) an ionic bond
,B) a covalent bond
C) a hydrogen bond
D) a polar bond - ANSWER A
The breaking of a large organic molecule into smaller individual
subunits involves multiple ________.
A) hydrolysis reactions
B) osmotic reactions
C) dehydration synthesis reactions
D) hydrosynthetic reactions - ANSWER A
Which of the following is not made from long chains of glucose?
A) Starch
B) Glycerol
C) Glycogen
D) Cellulose - ANSWER B
Proteins are diverse molecules that perform a wide variety of
functions. Which of the following is not a typical function of
proteins?
A) Defense
B) Catalyze reactions
C) Movement
D) Energy storage - ANSWER D
Peptide bonds are ....
A) The bonds between amino acids in a protein.
B) The bonds between sugars in a carbohydrate.
C) The bonds between water molecules.
D) The bonds between glycerol and fatty acids in a triglyceride -
ANSWER A
,Which of the following statements is incorrect?
A) Enzymes raise the activation energy of a reaction.
B) Enzymes speed up the rate of a reaction.
C) Substrates bind to an enzyme's active site.
D) Enzymes change shape when they bind to a substrate. -
ANSWER A
How many possible 10 amino acid proteins are there?
A) ~100
B) ~10,000
C) ~100,000,000
D) ~10,000,000,000,000 - ANSWER C
What is a major difference between saturated and unsaturated
fats?
A) At room temperature, saturated fats are liquid and
unsaturated fats are solid.
B) Unsaturated fats have a flat molecular structure, but
saturated fats are kinked.
C) Saturated fat molecules are packed together loosely, but
unsaturated fats are tightly packed.
D) Unsaturated fats contain carbon-to-carbon double bonds,
but saturated fats don't. - ANSWER D
Which structure is common to both prokaryotic and eukaryotic
cells?
A) Nucleus
B) Ribosomes
C) Chloroplasts
D) Mitochondria - ANSWER B
White blood cells are a type of...
, A) Connective tissue
B) Epithelial tissue
C) Muscle tissue
D) Nervous tissue - ANSWER A
__________________, can freely diffuse into and out of cells
without proteins.
A) Sugars, amino acids and fatty acids
B) Oxygen and carbon dioxide
C) Oxygen, carbon dioxide and fatty acids
D) Oxygen, carbon dioxide and amino acids
E) Oxygen, amino acids and fatty acids - ANSWER C
Which of the following statements is true?
A) Active transport does not require energy
B) Passive transport never involves a protein
C) Active transport requires energy
D) Both A and B are true
E) Both B and C are true - ANSWER C
If the light reactions proceeded but the Calvin cycle didn't,
then __________ molecules would accumulate and
__________ molecules would not be made. A) ATP and
sugar; NADPH
B) NADPH; sugar and ATP
C) Sugar; NADPH and ATP
D) NADPH and sugar; ATP
E) NADPH and ATP; sugar - ANSWER NADPH and ATP; sugar
Which one of the following most specifically explains why plants
need water to perform photosynthesis?
100% CORRECT
Which combination describes the plasma membrane?
A) Hydrophilic interior, hydrophobic exterior
B) Hydrophilic interior and exterior
C) Hydrophobic interior, hydrophilic exterior
D) Hydrophobic interior and exterior - ANSWER C
Identify the substrate in the following reaction: Sucrose →
Fructose + Glucose
A) Sucrose
B) Fructose
C) Glucose
D) Fructose and glucose - ANSWER A
The elements that make up the bulk of the Human body are...
A) Carbon, Water and Nitrogen
B) Carbon, Hydrogen, Oxygen and Nitrogen,
C) Carbon, Helium, Oxygen, Nitrogen and
D) Carbon, Oxygen, Nitrogen and Iron - ANSWER B
The earth's crust and Human bodies are made of the same
elements in similar amounts.
True
False - ANSWER False
In chemical bonding, when the bonded atoms share electrons, it
is specifically called ________.
A) an ionic bond
,B) a covalent bond
C) a hydrogen bond
D) a polar bond - ANSWER A
The breaking of a large organic molecule into smaller individual
subunits involves multiple ________.
A) hydrolysis reactions
B) osmotic reactions
C) dehydration synthesis reactions
D) hydrosynthetic reactions - ANSWER A
Which of the following is not made from long chains of glucose?
A) Starch
B) Glycerol
C) Glycogen
D) Cellulose - ANSWER B
Proteins are diverse molecules that perform a wide variety of
functions. Which of the following is not a typical function of
proteins?
A) Defense
B) Catalyze reactions
C) Movement
D) Energy storage - ANSWER D
Peptide bonds are ....
A) The bonds between amino acids in a protein.
B) The bonds between sugars in a carbohydrate.
C) The bonds between water molecules.
D) The bonds between glycerol and fatty acids in a triglyceride -
ANSWER A
,Which of the following statements is incorrect?
A) Enzymes raise the activation energy of a reaction.
B) Enzymes speed up the rate of a reaction.
C) Substrates bind to an enzyme's active site.
D) Enzymes change shape when they bind to a substrate. -
ANSWER A
How many possible 10 amino acid proteins are there?
A) ~100
B) ~10,000
C) ~100,000,000
D) ~10,000,000,000,000 - ANSWER C
What is a major difference between saturated and unsaturated
fats?
A) At room temperature, saturated fats are liquid and
unsaturated fats are solid.
B) Unsaturated fats have a flat molecular structure, but
saturated fats are kinked.
C) Saturated fat molecules are packed together loosely, but
unsaturated fats are tightly packed.
D) Unsaturated fats contain carbon-to-carbon double bonds,
but saturated fats don't. - ANSWER D
Which structure is common to both prokaryotic and eukaryotic
cells?
A) Nucleus
B) Ribosomes
C) Chloroplasts
D) Mitochondria - ANSWER B
White blood cells are a type of...
, A) Connective tissue
B) Epithelial tissue
C) Muscle tissue
D) Nervous tissue - ANSWER A
__________________, can freely diffuse into and out of cells
without proteins.
A) Sugars, amino acids and fatty acids
B) Oxygen and carbon dioxide
C) Oxygen, carbon dioxide and fatty acids
D) Oxygen, carbon dioxide and amino acids
E) Oxygen, amino acids and fatty acids - ANSWER C
Which of the following statements is true?
A) Active transport does not require energy
B) Passive transport never involves a protein
C) Active transport requires energy
D) Both A and B are true
E) Both B and C are true - ANSWER C
If the light reactions proceeded but the Calvin cycle didn't,
then __________ molecules would accumulate and
__________ molecules would not be made. A) ATP and
sugar; NADPH
B) NADPH; sugar and ATP
C) Sugar; NADPH and ATP
D) NADPH and sugar; ATP
E) NADPH and ATP; sugar - ANSWER NADPH and ATP; sugar
Which one of the following most specifically explains why plants
need water to perform photosynthesis?
