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Biology Chapter 1: Metabolic Processes and Biological Molecules

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Biology Chapter 1: Metabolic Processes and Biological Molecules

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Questions and Answers

What property of water explains the dissolution of sugar, salt, alcohol, and acids in water?

High heat capacity

Polarity (correct)

Surface tension

Low viscosity

Why do wet clothes take a long time to dry at room temperature?

High surface tension of water

Low heat capacity of water

High vapor pressure of water

High heat of vaporization of water (correct)

What does the expression 'like dissolves like' mean in the context of chemistry?

Nonpolar solvents dissolve nonpolar solutes

Polar solvents dissolve nonpolar solutes

Nonpolar solvents dissolve polar solutes

Polar solvents dissolve polar solutes (correct)

Why are carbon-based molecules so common in living organisms?

Carbon can form stable chains and rings Signup and view all the answers

Peeled potatoes turn brown. Why does a quick dip in scalding water stop the browning reaction?

Breakdown of phenolic compounds Signup and view all the answers

Which chapter covers the laws of thermodynamics as they relate to respiration and photosynthesis?

Chapter 1 Signup and view all the answers

What is one of the remarkable aspects of the complex chemical reactions that occur within our bodies?

They occur without conscious awareness Signup and view all the answers

What do cells require to carry out the functions of life automatically?

Necessary raw materials Signup and view all the answers

What can be inferred about the molecular details of the complex chemical reactions discussed in the text?

They are not consciously known until purposefully investigated Signup and view all the answers

What is amazing about the millions of complex chemical reactions taking place within our bodies?

They take place without conscious awareness Signup and view all the answers