FREE BIOLOGY AND STUDY GAMES ABOUT AP BIO

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FREE BIOLOGY AND STUDY GAMES ABOUT AP BIO

CHAPTER 5 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -44 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Hydrophobic Interaction

Answer:

Amino acids may tend to congregate towards the core of the molecule, away from water

Question 2: Tertiary Structure

Answer:

Irregular contortions from bonding between side chains of the various amino acids

Question 3: Ribonucleic Acid (RNA)

Answer:

Controls protein synthesis

Question 4: Steroids

Answer:

Lipids characterized by a carbon skeleton consisting of four fused rings

Question 5: Peptide Bond

Answer:

Joining of amino acids through dehydration reaction of their carboxyl groups

Question 6: Starch

Answer:

A storage polysaccharide of plants

Question 7: Pleated Sheet

Answer:

Two regions of the polypeptide chain lie parallel to each other

Question 8: Alpha Helix

Answer:

A delicate coil held together by hydrogen bonding between every fourth amino acid

Question 9: Conformation

Answer:

Each protein has it's own unique three-dimensional shape

Question 10: Chitin

Answer:

A polysaccharide used by arthropods (insects, spiders, crustaceans, and related animals) to build their exoskeleton

Question 11: Triacylglycerol

Answer:

Three fatty acids linked to one glycerol molecule

Question 12: Polypeptides

Answer:

Polymers of amino acids

Question 13: Condensation Reaction

Answer:

Monomers connected through a reaction in which two molecules are covalently bonded to each other through the loss of a water molecule

Question 14: Nucleotide

Answer:

Composed of: an organic molecule called a nitrogenous base, a pentose (five-carbon sugar), and a phosphate group

Question 15: Fat

Answer:

Constructed from two kinds of smaller molecules: glycerol and fatty acids

Question 16: Pyrimidine

Answer:

A nitrogenous base with a six-membered ring of carbon and nitrogen atoms

Question 17: Monomers

Answer:

The repeating units that serve as the building blocks of polymers

Question 18: Disaccharide

Answer:

Two molecules joined by a glycosidic linkage

Question 19: Amino Acids

Answer:

Organic molecules containing both carboxyl and amino groups

Question 20: Dehydration Reaction

Answer:

A specific type of condesation reaction because the molecule lost is water

Question 21: Macromolecule

Answer:

A molecule weighing over 100,000 daltons

Question 22: Unsaturated Fatty Acid

Answer:

Double bonds exist in a fatty acid

Question 23: Fatty Acid

Answer:

Has a long carbon skeleton, usually 16 to 18 carbon atoms in length with a carboxyl group at the "head."

Question 24: Cellulose

Answer:

A polysaccharide that is a major component in the tough walls that enclose plants

Question 25: Polymer

Answer:

A long molecule consisting of many identical or similar building blocks linked by covalent bonds

Question 26: Double Helix

Answer:

The shape taken on by the two polynucleotides in DNA

Question 27: Saturated Fatty Acid

Answer:

No double bonds in a fatty acid

Question 28: Deoxyribose

Answer:

The pentose in nucleotides of DNA