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ANSWERS|LATEST 2025/2026|GRADED
What are two extracellular fluid compartments of the body? - ANSWER Interstitial
Fluid and Plasma
Cells specialized for contraction and force generation form which type of primary tissue? -
ANSWER muscle tissue
Which of the following accurately represents the order of complexity for the components of
the body, from least to most complex? - ANSWER cells, tissues, organs, organ systems
Organs of the body are defined as ________. - ANSWER two or more tissues that
makes a structure which performs specifci functions
Which of the following is an example of negative feedback? - ANSWER When a person
stands up, blood pressure decreases due to blood pooling in the feet and legs. The heart and
blood vessels respond in such a way as to bring blood pressure back toward normal.
Homeostasis is a term which describes the process whereby the body ________. -
ANSWER maintains a constant internal environment
The thin structure which encloses cells and forms a barrier that is selectively permeable is
called the - ANSWER cell membrane
The _____ is involved in the synthesis of proteins - ANSWER Rough ER
The destination point for vesicles from the endoplasmic reticulum is the -
ANSWER Golgi Complex
1
, Which of the following filaments is the dominant component of cilia and flagella -
ANSWER Microtubules
Metabolic pathway(s) that produce ATP only in the presence of oxygen is (are) -
ANSWER Krebs cycle and oxidative phosphorylation
Metabolic pathway(s) that transform high energy electrons into ATP is (are) -
ANSWER Oxidative Phosphorylation
The phospholipid bilayer of the cell membrane has - ANSWER nonpolar tails on inside,
polar heads on outside
A cell membrane is likely to be most permeable to which of the following -
ANSWER small, nonpolar molecules
Which of the following can move a substance against its concentration gradient? -
ANSWER Active Transport
Which of the following would have a greater electrical attraction for sodium ions to enter
the cell? - ANSWER cell with membrane potential = -90 mV
Which of the following statements about osmosis is true?
a) Water will diffuse from high water concentration to low water concentration, just like
solutes do. b) Solutes that can not permeate the membrane do not influence water
movement across the membrane. c) Water will diffuse from high solute concentration to low
solute concentration. d) both a and c e) all of the above - ANSWER a) Water will
diffuse from high water concentration to low water concentration, just like solutes do.
Imagine an experimental situation in which a cell contains only D+ and G- ions in equal
amounts, only has channels that allow D+ to cross the membrane, and is in a solution
2
ANSWERS|LATEST 2025/2026|GRADED
What are two extracellular fluid compartments of the body? - ANSWER Interstitial
Fluid and Plasma
Cells specialized for contraction and force generation form which type of primary tissue? -
ANSWER muscle tissue
Which of the following accurately represents the order of complexity for the components of
the body, from least to most complex? - ANSWER cells, tissues, organs, organ systems
Organs of the body are defined as ________. - ANSWER two or more tissues that
makes a structure which performs specifci functions
Which of the following is an example of negative feedback? - ANSWER When a person
stands up, blood pressure decreases due to blood pooling in the feet and legs. The heart and
blood vessels respond in such a way as to bring blood pressure back toward normal.
Homeostasis is a term which describes the process whereby the body ________. -
ANSWER maintains a constant internal environment
The thin structure which encloses cells and forms a barrier that is selectively permeable is
called the - ANSWER cell membrane
The _____ is involved in the synthesis of proteins - ANSWER Rough ER
The destination point for vesicles from the endoplasmic reticulum is the -
ANSWER Golgi Complex
1
, Which of the following filaments is the dominant component of cilia and flagella -
ANSWER Microtubules
Metabolic pathway(s) that produce ATP only in the presence of oxygen is (are) -
ANSWER Krebs cycle and oxidative phosphorylation
Metabolic pathway(s) that transform high energy electrons into ATP is (are) -
ANSWER Oxidative Phosphorylation
The phospholipid bilayer of the cell membrane has - ANSWER nonpolar tails on inside,
polar heads on outside
A cell membrane is likely to be most permeable to which of the following -
ANSWER small, nonpolar molecules
Which of the following can move a substance against its concentration gradient? -
ANSWER Active Transport
Which of the following would have a greater electrical attraction for sodium ions to enter
the cell? - ANSWER cell with membrane potential = -90 mV
Which of the following statements about osmosis is true?
a) Water will diffuse from high water concentration to low water concentration, just like
solutes do. b) Solutes that can not permeate the membrane do not influence water
movement across the membrane. c) Water will diffuse from high solute concentration to low
solute concentration. d) both a and c e) all of the above - ANSWER a) Water will
diffuse from high water concentration to low water concentration, just like solutes do.
Imagine an experimental situation in which a cell contains only D+ and G- ions in equal
amounts, only has channels that allow D+ to cross the membrane, and is in a solution
2
