Bio 210 Practice Quizzes Exam With Complete Guaranteed Answers.
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Course
BIO 210
Institution
BIO 210
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: Reg...
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. - correct answer
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) - correct answer
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 - correct answer B
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. - correct answer 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 - correct answer 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 - correct answer A
Carbohydrates are stored in the liver and skeletal muscles in the form of ________.
A) glucose
B) triglycerides
C) glycogen
D) cholesterol - correct answer 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 - correct answer 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 - correct answer C
Blood glucose levels are controlled by - correct answer NF
Body temperature is controlled by - correct answer NF
Hemostasis (blood clotting) is controlled by - correct answer 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 - correct answer A
Which of the following is a general function for a fibrous protein?
A) transport
B) protein management
C) body defense
D) catalysis
E) structural framework - correct answer E
Select the statement about mixtures that is correct.
A) Solutions are homogeneous mixtures.
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