BSC 1005 Proctor U MIDTERM MDC Exam Questions and Answers Already Passed Latest
Update 2025-2026
In a hypotonic solution, a plant cell will - Answersbecome turgid
Information is transferred from the nucleus to ribosomes via - AnswersmRNA
In a plant cell, DNA may be found - Answersin the nucleus, mitochondria, and chloroplasts
For the following question(s), consider a 4% starch solution and a 10% starch solution
separated by a semipermeable membrane. Which of the following also occurs in this system? -
AnswersThere is a net flow of water from the 4% starch solution into the 10% starch solution
Which of the following structures manufactures the components of ribosomes? -
AnswersNucleolus
when mixed with water, phospholipids spontaneously form membranes because they -
Answershave hydrophilic phosphate groups that are attracted to water and hydrophobic fatty
acid tails that avoid water.
What structures move proteins from the ER to the Golgi apparatus? - Answerstransport vesicles
What is energy? - Answersthe capacity to cause change
Certain cells that line the stomach synthesize a digestive enzyme and secrete it into the
stomach. This enzyme is a protein. Which of the following processes could be responsible for
its secretion? - Answersexocytosis
The region of an enzyme to which a substrate binds is called the ________ site. - Answersactive
Which of the following types of molecules are the major structural components of the
cellmembrane? - Answersphospholipids and proteins
which theory states that all living things are composed of cells - AnswersCell theory
Glucose molecules provide energy to power swimming motion of the sperm - Answerssperm
are changing chemical energy into kinetic energy
whenever energy is transformed, there is always increase in the - Answersentropy of the
universe
Osmosis can be defined as - Answersdiffusion of water
Diffusion - AnswersProceeds until equilibrium is reached
which of the following is a function of the Golgi apparatus - Answersprotein modification
, Facilitated diffusion across a biological membrane requires ______ and moves a substance
_______ its concentration gradient - AnswersTransport protein; against
Which component of the following reaction is enzyme? - Answerssucrase
When using a light microscope to view a cell you obtained from scraping under your fingernails,
you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be a type of
____ cell - Answersprokaryotic
Plant cells, unlike animal cells, are characterized by the presence of a - Answerscell wall and
central vacuole
Which of the following statements is correct about diffusion - AnswersIt is passive process in
which molecules move from a region of higher concentration to a region of lower concentration
For the following question(s), consider a 4% starch solution and a 10% starch solution
separated by a semipermeable membrane.
Which starch solution will decrease in volume as osmosis occurs? - Answers4%
The sum total of all the chemical reactions that occur in organisms is called -
Answersmetabolism
How does a noncompetitive inhibitor decrease the rate of an enzyme reaction? - AnswersAn
enzyme's active site binds only the reactants, and not the products of a reaction, pushing the
equilibrium for the reaction far to the right.
In photosynthesis, redox reactions ultimately transfer electrons from ________ to ______ -
AnswersH2O... CO2
What waste product do yeast produce under anaerobic conditions? - Answersethyl alcohol
The figure below shows that - Answersour cells can use sugars, fatty acids, and amino acids to
produce ATP
What is responsible for the yellow-orange coloration of leaves in the fall? - Answerscarotenoids
Anaerobic respiration produces a maximum of _____ ATP per glucose - Answers2
The Calvin cycle makes direct use of ___ to make___.
A) light energy and CO2...suga
B) CO2, ATP, and NADPH...sugar and O2
C) light energy, CO2, and water...sugar and O2
Update 2025-2026
In a hypotonic solution, a plant cell will - Answersbecome turgid
Information is transferred from the nucleus to ribosomes via - AnswersmRNA
In a plant cell, DNA may be found - Answersin the nucleus, mitochondria, and chloroplasts
For the following question(s), consider a 4% starch solution and a 10% starch solution
separated by a semipermeable membrane. Which of the following also occurs in this system? -
AnswersThere is a net flow of water from the 4% starch solution into the 10% starch solution
Which of the following structures manufactures the components of ribosomes? -
AnswersNucleolus
when mixed with water, phospholipids spontaneously form membranes because they -
Answershave hydrophilic phosphate groups that are attracted to water and hydrophobic fatty
acid tails that avoid water.
What structures move proteins from the ER to the Golgi apparatus? - Answerstransport vesicles
What is energy? - Answersthe capacity to cause change
Certain cells that line the stomach synthesize a digestive enzyme and secrete it into the
stomach. This enzyme is a protein. Which of the following processes could be responsible for
its secretion? - Answersexocytosis
The region of an enzyme to which a substrate binds is called the ________ site. - Answersactive
Which of the following types of molecules are the major structural components of the
cellmembrane? - Answersphospholipids and proteins
which theory states that all living things are composed of cells - AnswersCell theory
Glucose molecules provide energy to power swimming motion of the sperm - Answerssperm
are changing chemical energy into kinetic energy
whenever energy is transformed, there is always increase in the - Answersentropy of the
universe
Osmosis can be defined as - Answersdiffusion of water
Diffusion - AnswersProceeds until equilibrium is reached
which of the following is a function of the Golgi apparatus - Answersprotein modification
, Facilitated diffusion across a biological membrane requires ______ and moves a substance
_______ its concentration gradient - AnswersTransport protein; against
Which component of the following reaction is enzyme? - Answerssucrase
When using a light microscope to view a cell you obtained from scraping under your fingernails,
you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be a type of
____ cell - Answersprokaryotic
Plant cells, unlike animal cells, are characterized by the presence of a - Answerscell wall and
central vacuole
Which of the following statements is correct about diffusion - AnswersIt is passive process in
which molecules move from a region of higher concentration to a region of lower concentration
For the following question(s), consider a 4% starch solution and a 10% starch solution
separated by a semipermeable membrane.
Which starch solution will decrease in volume as osmosis occurs? - Answers4%
The sum total of all the chemical reactions that occur in organisms is called -
Answersmetabolism
How does a noncompetitive inhibitor decrease the rate of an enzyme reaction? - AnswersAn
enzyme's active site binds only the reactants, and not the products of a reaction, pushing the
equilibrium for the reaction far to the right.
In photosynthesis, redox reactions ultimately transfer electrons from ________ to ______ -
AnswersH2O... CO2
What waste product do yeast produce under anaerobic conditions? - Answersethyl alcohol
The figure below shows that - Answersour cells can use sugars, fatty acids, and amino acids to
produce ATP
What is responsible for the yellow-orange coloration of leaves in the fall? - Answerscarotenoids
Anaerobic respiration produces a maximum of _____ ATP per glucose - Answers2
The Calvin cycle makes direct use of ___ to make___.
A) light energy and CO2...suga
B) CO2, ATP, and NADPH...sugar and O2
C) light energy, CO2, and water...sugar and O2
