FREE AND STUDY GAMES ABOUT UNIT 1 CHAPTER 2 EXAM

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FREE AND STUDY GAMES ABOUT UNIT 1 CHAPTER 2 EXAM

QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -37 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: Which of the following are the monomeric subunits that make up a protein?Fatty acids Amines Glucose molecules Amino acids

Answer:

amino acids

Question 2: Carbohydrates have a ______ ratio of hydrogen to oxygen.

Answer:

2:1

Question 3: Atoms of the same element that differ only in the number of neutrons are known as

Answer:

isotopes

Question 4: Which is an uncharged particle found in the nucleus of an atom?

Answer:

Neutron

Question 5: Which of the following would give you the molarity of a solution?

Grams/mole Liters/gram Grams/liter Moles/liter

Answer:

Moles/liter

Question 6: Carboxyl and phosphate groups are examples of ..

Answer:

functional groups Question 7: Nucleotides contain a phosphate, a sugar and a nitrogenous ________.

Answer:

base Question 8: A pure chemical substance that consists of one type of atom is called a(n)

Answer:

element Question 9: Which term defines the simplest form of matter to have unique chemical properties?Molecule Element Neutron Proton

Answer:

element

Question 10: Organic chemistry is ...

Answer:

Organic chemistry is the study of molecules containing carbon. Biochemistry is the study of these and other molecules in biological systems.

Question 11: In a solution, the solvent is ______ the solute.

Answer:

more abundant than ;A solution consists of particles of matter called the solute mixed with a more abundant substance(usually water) called solvent.Question 12: Which organic molecules are composed of a nitrogenous base, a monosaccharide, and a phosphate group?

Answer:

Nucleotides

Question 13: A protein that functions as a biological catalyst is called a(n)

Answer:

Enzymes ;Enzymes are macromolecules that function as biological catalysts

Question 14: Glucose is a ______ of starch.

Answer:

monomer Question 15: starch molecule may contain thousands of smaller glucose subunits. Which of the following statements is true?Glucose is a monomer of starch.Glucose is a polymer of starch.Glucose is an isomer of star Glucose in an enantiomer of starch.

Answer:

Glucose is a monomer of starch.

Question 16: Atoms that make up molecules..

Answer:

may be identical or different

Question 17: Inorganic chemistry is..

Answer:

Inorganic chemistry is the study of molecules from non-biological origins. Biochemistry is the study of molecules within biological systems.

Question 18: Hydrophobic means that a substance is insoluble in

Answer:

water Question 19: Which of the following terms refers to common arrangements of atoms that give organic molecules their unique properties?Backbone group Functional groups Chain groups Accessory groups

Answer:

Functional groups ;Carbon backbones carry a variety of functional groups-small clusters of atoms that determine many of the properties of an organic molecule.

Question 20: Which of the following best defines an acid?

Answer:

Proton donor Question 21: A hydrophobic organic compound composed mainly of carbon and a high ratio of hydrogen to oxygen is a ______. Examples include fatty acids, fats, phospholipids, steroids, and prostaglandins.

Answer:

lipid