Chapter 2: Chemistry of Life: Study Guide

Chapter 2: Chemistry of Life: Study Guide

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What is an atom?

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Describe endothermic and exothermic.

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What is activation energy?

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What subatomic particles are found in the nucleus?

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diffusion continues until

is reached.

Multiple Select

substance that consists of 4 carbon rings plus a side chain of carbons, is a lipid, and can function as a protein

• carbohydrate

• steroid

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Semipermeable means

• to allow everything in

• to NOT allow anything in

• to allow only certain tthings in or out

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What do buffers in your blood do?

• create antibodies

• control acids and bases

• provide oxygen to lungs

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What are the 2 basic components of the universe?

Multiple Select

Which of the following is NOT a lipid?

• cholesterol

• wax

• monosaccharide

• phospholipid

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What is substance is the universal solvent?

Multiple Select

Homogeneous mixtures appear

• uniform or even

• uneven or not uniform

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What type of bond holds water molecules together, giving it unique properties?

• hydrogen bonds

• covalent bonds

• ionic bonds

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What 3 things make up a nucleotide?

• sugar

• water

• phosphate

• base

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What type of lipids are liquid at room temperature?

• oils

• animal fat/lard

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List 3 characteristics of an enzyme.

• affected by chemicals or pH

• can break down or build-up

• take in or give off energy

• make up carbohydrates

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What is an ion?

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What is the product when you neutralize an acid with a base?

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what is matter?

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what is osmosis?

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What are the monomers of DNA or RNA?

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Check all the examples of a physical change.

• burning wood

• boiling water

• mixing sugar and water

• chilling jello

• neutralizing an acid

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matter consists of mosty _____ _____.

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What macromolecules store hereditary information?