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Bio 210 Questions and Answers (100% Correct
Answers)
Which of the following is NOT correct regarding each organ system/function pairing?
A) Respiratory System: Transports O2 and CO2 throughout the body.
B) Digestive System: Breaks down food in smaller units that can be absorbed.
C) Reproductive System: Produces offspring.
D) Endocrine System: Regulates growth, development and reproduction.
E) Nervous System: The fast-acting control system of the body.
Ans: A
Which of the following is not a property of water?
A) high heat of vaporization
B) polar solvent properties
C) it is hydrophobic
D) cushioning
E) takes part in chemical reactions (dehydration synthesis/hydrolysis)
Ans: C
In multicellular organisms, first messengers (e.g. hormones, neurotransmitters) are
released from one cell and travel throughout the body where they have a specific
effect on a target cell. What is the general term given to the protein molecules to
which these first messengers bind?
A) enzymes
B) receptors
C) second messengers
D) G proteins
E) kinases
Ans: B
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Which of the following is a principle of the fluid mosaic model of cell membrane
structure?
A) Phospholipids form a bilayer that is largely impermeable to water-soluble
molecules.
B) Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid
chains.
C) The lipid bilayer is a solid at body temperature, thus protecting the cell.
D) All proteins associated with the cell membrane are contained in a fluid layer on
the outside of the cell.
Ans: A
What type of cellular junction would be best at providing a "leak-proof sheet" (so that
materials cannot "leak" between the individual cells)?
A) gap junctions
B) plasmodesmata
C) tight junctions
D) desmosomes
Ans: C
Two or more cells that work together to accomplish a specific function would be a(n)
________.
A) tissue
B) organ system
C) organ
D) cell
Ans: A
Carbohydrates are stored in the liver and skeletal muscles in the form of ________.
A) glucose
B) triglycerides
C) glycogen
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D) cholesterol
Ans: C
Homeostasis is the condition in which the body maintains ________.
A) a static state with no deviation from preset points
B) a dynamic state within an unlimited range
C) the lowest possible energy usage
D) a relatively stable internal environment, within limits
Ans: D
You have an unknown bottle of liquid. After adding some of this liquid to a glucose
solution, you find that the pH of the glucose solution has now increased. What is the
most likely explanation?
A) the solution contains a buffer
B) the solution contains an acid
C) the solution contains a base
D) the solution is a salt
Ans: C
Blood glucose levels are controlled by
Ans: NF
Body temperature is controlled by
Ans: NF
Hemostasis (blood clotting) is controlled by
Ans: PF
In which cavities is the spinal cord located?
A) vertebral and dorsal
B) mediastinum, thoracic, and ventral
C) dorsal and cranial
D) pericardial, ventral, and thoracic
Ans: A
Bio 210 Questions and Answers (100% Correct
Answers)
Which of the following is NOT correct regarding each organ system/function pairing?
A) Respiratory System: Transports O2 and CO2 throughout the body.
B) Digestive System: Breaks down food in smaller units that can be absorbed.
C) Reproductive System: Produces offspring.
D) Endocrine System: Regulates growth, development and reproduction.
E) Nervous System: The fast-acting control system of the body.
Ans: A
Which of the following is not a property of water?
A) high heat of vaporization
B) polar solvent properties
C) it is hydrophobic
D) cushioning
E) takes part in chemical reactions (dehydration synthesis/hydrolysis)
Ans: C
In multicellular organisms, first messengers (e.g. hormones, neurotransmitters) are
released from one cell and travel throughout the body where they have a specific
effect on a target cell. What is the general term given to the protein molecules to
which these first messengers bind?
A) enzymes
B) receptors
C) second messengers
D) G proteins
E) kinases
Ans: B
,2 Inquire through: | Professional | Confidential Support
Which of the following is a principle of the fluid mosaic model of cell membrane
structure?
A) Phospholipids form a bilayer that is largely impermeable to water-soluble
molecules.
B) Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid
chains.
C) The lipid bilayer is a solid at body temperature, thus protecting the cell.
D) All proteins associated with the cell membrane are contained in a fluid layer on
the outside of the cell.
Ans: A
What type of cellular junction would be best at providing a "leak-proof sheet" (so that
materials cannot "leak" between the individual cells)?
A) gap junctions
B) plasmodesmata
C) tight junctions
D) desmosomes
Ans: C
Two or more cells that work together to accomplish a specific function would be a(n)
________.
A) tissue
B) organ system
C) organ
D) cell
Ans: A
Carbohydrates are stored in the liver and skeletal muscles in the form of ________.
A) glucose
B) triglycerides
C) glycogen
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D) cholesterol
Ans: C
Homeostasis is the condition in which the body maintains ________.
A) a static state with no deviation from preset points
B) a dynamic state within an unlimited range
C) the lowest possible energy usage
D) a relatively stable internal environment, within limits
Ans: D
You have an unknown bottle of liquid. After adding some of this liquid to a glucose
solution, you find that the pH of the glucose solution has now increased. What is the
most likely explanation?
A) the solution contains a buffer
B) the solution contains an acid
C) the solution contains a base
D) the solution is a salt
Ans: C
Blood glucose levels are controlled by
Ans: NF
Body temperature is controlled by
Ans: NF
Hemostasis (blood clotting) is controlled by
Ans: PF
In which cavities is the spinal cord located?
A) vertebral and dorsal
B) mediastinum, thoracic, and ventral
C) dorsal and cranial
D) pericardial, ventral, and thoracic
Ans: A
