Chapter 1-6 Test Review

You have 180 g of water. How much glucose would you need to have 1 molecule of glucose for every 10 molecules of water? For this, the following as the atomic mass information for the elements involved: H = 1 g/mol O = 16 g/mol C = 12 g/mol Water is H2O; glucose is C6H12O6

180g C6H12O6

The arrow is pointing to a hydrogen bond

C

If a neutral atoms has 12 protons and 17 neutrons, how many electrons will it have? a. 12 b. 8 c. 17 d. 29 e. 5

a. 12

A longer polymer is formed by removing a water molecule through ____. a. Dehydration synthesis b. Hydrolysis c. Protein d. Polymer Process

a. Dehydration synthesis

What is being oxidized when NaCl is formed? a. Na b. Cl c. Both A and B d. None of the above

a. Na

Water is an excellent solvent for other _____ substances. a. Polar b. Nonpolar c. Liquid d. Hydrophobic

a. Polar

What kind of bondage results in partial charges occurring due to unequal sharing of electrons? a. Polar covalent bond b. Ionic bond c. Nonpolar covalent bond d. Hydrogen bond e. Hydrophobic bonds

a. Polar covalent bond

Which major class are enzymes found in? a. Protein b. Lipids c. Carbohydrates d. Nucleic acids

a. Protein

A molecule with the chemical formula C12H24O5 is probably a: a. lipid b. nucleic acid c. protein d. carbohydrate e. hydrocarbon

a. lipid

A molecule with the chemical formula C12H24O5 is probably a: a. lipid b. nucleic acid c. protein d. carbohydrate e. hydrocarbon

a. lipid

When there is a pH change from pH 2 to pH 4 this means that a. the amount of [H+] is 100x less than before. b. the amount of [H+] is 2x less than before c. the amount of [OH-] is 100x more than before. d. the amount of [OH-] is 2x more than before.

a. the amount of [H+] is 100x less than before or c. the amount of [OH-] is 100x more than before

An ester linkage is formed between a. A polar and nonpolar molecule b. A fatty acid and glycerol c. A protein and a nucleic acid d. Two functional groups

b. A fatty acid and glycerol

Organisms that manufacture their own food from simple materials are ___. a. Decomposers b. Autotrophs c. Heterotrophs d. Fungi

b. Autotrophs

Phyla are divided into the next taxonomic order a. Genera b. Classes c. Orders d. Domains e. Family

b. Classes

Acids are proton _____, and bases are proton _____. a. Acceptor, donors b. Donors, acceptors c. Donors, donors d. Makers, dividers

b. Donors, acceptors

An organism is a multicellular eukaryote with cell walls whose cell walls are made of chitin. It could belong to which of the following kingdoms? a. Eubacteria b. Fungi c. Plantae d. Protista e. Archaebacteria f. Animalia

b. Fungi

Cystine is essentially _______ and forms ______ with other cystine molecules. a. Polar, polysaccharides b. Nonpolar, disulfide bridges c. Polar, glycosidic linkage d. Nonpolar, hydrogen bonds

b. Nonpolar, disulfide bridges

Which of the following is NOT a property of water due to hydrogen bonding? a. Ice floats in water b. Water has a chemical formula of H2O c. Nonionic polar substances tend to dissolve in water d. Water moderates temperature more than most substances e. Water exhibits highly cohesive behavior

b. Water has a chemical formula of H2O

Which monomer type is not matched with its appropriate category of organic molecules? a. amino acid - protein b. glucose - carbohydrate c. nucleotide - nucleic acid d. fatty acid - lipid

b. glucose - carbohydrate

DNA double helix has a. Hydrogen bonds b. Antiparallel components c. Both A and B d. Only B

c. Both A and B

Which of the following is the strongest type of bond? a. Ionic b. Hydrogen c. Covalent d. Sigma e. Oxidation

c. Covalent

Sparrows are birds and have wings. Falcons are birds and have wings. All birds have wings. The third statement being concluded based off of the first two statements is an example of ____. a. Deductive Reasoning b. Hypothesis c. Inductive Reasoning d. Observation e. Experiment

c. Inductive Reasoning

Which of the following does not make up 96% of living matter? a. Carbon b. Nitrogen c. Sulfur d. Oxygen e. Hydrogen

c. Sulfur

An organic compound with a tetrahedron will have bond angles that are how many degrees apart? a. 30 b. 180 c. 90 d. 109.5 e. 73

d. 109.5

How many covalent bonds will a neutral Carbon atom tend to form? a. 5 b. 10 c. 3 d. 4 e. 6

d. 4

Which of the following is NOT a characteristic of all life as we know it on Earth? a. Ability to grow or develop b. Ability to control metabolism c. Ability to respond to stimuli d. Ability for sexual reproduction e. Being composed of cells

d. Ability for sexual reproduction

Water is which of the following? a. Compound b. Molecule c. Element d. Both A and B

d. Both A and B

Which of these is not a component of an amino acid? a. Side chain (R group)\ b. A carboxyl group c. Hydrogen atom d. Glycosidic linkage e. An amino group

d. Glycosidic linkage

Which of these functional groups is hydrophobic? a. Carbonyl group b. Carboxyl group c. Amino group d. Methyl group e. Phosphate group

d. Methyl group

Which of these is not one of the 4 major classes of organic molecules? a. Amino Acids b. Carbohydrates c. Lipids d. Vitamins e. Proteins

d. Vitamins

The _______ of a protein is held together by ______. Which of the following is incorrect? a. Secondary structure, hydrogen bonds b. Quaternary structure, two or more polypeptide chains c. Tertiary structure, R groups d. Primary structure, amino acids e. Polymer structure, hydrogen bonds

e. Polymer structure, hydrogen bonds

In the name, Aubuis tigris, what is the specific epithet a. Aubuis tigris b. There isn't one c. Aubuis tigris d. Aubuis e. tigris

e. tigris

Which of these would act as a pH buffer? a. Strong base b. Strong acid c. Weak acid d. Weak base e. Both a & b f. Both c & d

f. Both c & d