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Biology: Special Roles of Carbon and Water in the Body

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Biology: Special Roles of Carbon and Water in the Body

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Questions and Answers

What property of carbon allows it to form long chains and branches in biological molecules?

Strong C-C bond

Bonding with Oxygen, Nitrogen, or Hydrogen

Being a basic building block of biological molecules

4 valence shell electrons (correct)

What property of water allows it to move up xylem against gravity?

Universal solvent property

High boiling point

Maximum density at 4°C

Cohesive nature (correct)

Which property of water is responsible for its high specific heat capacity?

Cohesive nature

Universal solvent property

Polar molecule (correct)

Maximum density at 4°C

What role does water play in regulating body temperature?

Good coolant – evaporating water removes a lot of heat energy from the organism Signup and view all the answers

Which property of carbon stabilizes its structure?

Strong C-C bond Signup and view all the answers

How does carbon contribute to the formation of organic molecules?

By bonding with Oxygen, Nitrogen, or Hydrogen Signup and view all the answers

Which organic compound molecules consist of carbon bonded with hydrogen and hydroxyl groups?

Monosaccharides Signup and view all the answers

What is the source of energy for cells?

Glucose Signup and view all the answers

Which type of fatty acids have no double bonds between carbons and are saturated with hydrogens?

Saturated fatty acids Signup and view all the answers

What is the function of cellulose in plants?

Structural component Signup and view all the answers

What is the function of triglycerides in animals?

Energy storage Signup and view all the answers

Which compound acts as an energy source, transport molecule, and structural component?

Glucose Signup and view all the answers

What is the function of phospholipids in plasma membranes?

Structural component Signup and view all the answers

What is the primary function of disaccharides?

Fast release for respiration Signup and view all the answers

What is the main function of amphipathic molecules?

Have two distinct parts; hydrophilic and hydrophobic Signup and view all the answers

What is the primary function of carbohydrates?

Acting as an energy source and transport molecules Signup and view all the answers