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Bio 210 Practice Quizzes Exam With Complete Guaranteed Answers.

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  • BIO 210
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  • 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...

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  • August 9, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 210
  • BIO 210
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Bio 210 Practice Quizzes

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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