Questions with Correct Answers
The energy that matter possesses because of its structure or location is called
a. kinetic energy.
b. nuclear energy.
c. positional energy.
d. potential energy.
e. its energy reservoir. - ANSWERSPotential Energy
A polymeric macromolecule found in cells is found to have two strands, each made up
of phosphate-containing monomers commonly abbreviated at A, G, C, and T. This
molecule is almost certainly:
a. amylopectin.
b. RNA.
c. DNA.
d. a polypeptide.
e. a phospholipid. - ANSWERSDNA
Which of the following is NOT an example of an accepted taxonomic domain?
a. Archaea
b. Protista.
c. Bacteria.
d. Eukarya.
e. All/each of the above represent one of the four accepted taxonomic domains of
life on earth today. - ANSWERSProtista
The energy that matter possesses because of its structure or location is called:
a. kinetic energy.
b. nuclear energy.
c. positional energy.
d. potential energy.
e. its energy reservoir. - ANSWERSPotential Energy
Although we have identified 92 different elements that are "naturally occurring" on the
planet earth, living organisms have only found use for about 20-25% of them. In fact,
most living matter is composed of only four of these elements. Those four elements do
NOT include:
a. carbon.
,b. nitrogen.
c. hydrogen.
d. oxygen.
e. phosphorous. - ANSWERSPhosphorous
"On the origin of Species by Means of Natural Selection" was published in 1859 by:
a. Alfred Russel Wallace.
b. Stanley Miller.
c. Thomas Malthus.
d. Bertody Sumner.
e. Charles Darwin. - ANSWERSCharles Darwin
An experiment which demonstrated that heat, lightning and other conditions theorized to
have existed at the time of the "early earth" could produce simple organic compounds
such as fatty acids and amino acids was done by:
a. Darwin.
b. Wallace.
c. Malthus.
d. Miller and Urey.
e. Isaac Newton - ANSWERSMiller and Urey
8. Lactose is an example of a/an
a. monosaccharide.
b. disaccharide.
c. pentose sugar.
d. polysaccharide.
e. glycoprotein. - ANSWERSdisaccaride
For several decades we have used partially hydrogenated vegetable oils in the food
industry. Unfortunately it was discovered that a "byproduct" of the partial hydrogenation
process was in fact unhealthier when included in the diet than the saturated fats that
were replaced by this processed plant oil product. The dangerous byproducts created
were ______ of the original fatty acids.
a. structural isomers
b. stereoisomers/enantiomers
c. isotopes
d. cis/trans isomers
e. alpha/beta isomers - ANSWERScis/trans isomers
. Two different types of element have reacted to form a compound. A close inspection of
the product reveals that it has one atom each of the two elements and while one atom
has 11 protons and 10 electrons, the other atom has 17 protons and 18 electrons. This
molecule/compound is most likely held together by
a. a single covalent bond.
b. a double covalent bond.
c. an ionic bond.
, d. a hydrogen bond.
e. None of the above is a correct answer. - ANSWERSan ionic bond
A cell has a plasma membrane, membrane-enclosed organelles and a nucleus. What
type of organism could this be?
a. a fungi cell
b. an archaea cell
c. a bacterial cell
d. All of the above are correct answers to this question since all living cells are
"defined" as having each of these structures as properties of life.
e. None of the above answers is/are correct. - ANSWERSa fungi cell
From the ecological perspective, which of the following organisms or groups of
organisms would be classified as "producers"?
a. mammals.
b. protists.
c. plants.
d. fungi.
e. All of the above can synthesize a wide range of organic compounds and thus are
each classified as "producers" in the biological/ecological sense.. - ANSWERSplants
You have a pair of enantiomers. These would be best described as being:
a. two molecules that are mirror images of each other.
b. two molecules that are structural isomers of each other.
c. two molecules that are structural isotopes of each other.
d. two molecules that are structurally similar but which have different charges on
them.
e. two molecules that are structurally similar but cis/trans isomers of each other. -
ANSWERStwo molecules that are mirror images of each other
An example of a storage polysaccharide commonly used by mammals for energy
storage in the liver and skeletal muscle cells is:
a. cellulose.
b. glycogen.
c. starch.
d. chitin.
e. lignin. - ANSWERSglycogen
Which of the following is considered to be a kingdom according to the presently
accepted system of taxonomic classification?
a. prokaryotes
b. Animalia
c. Archaea
d. Bacteria
e. All of the above are considered to be kingdoms. - ANSWERSprokaryotes