Microbiology Exam 2 Study Set - Rio
Salado Questions With Complete Solutions
Which group of molecules have interlocking rings and help stabilize the cell membrane? -
ANSWER lipid
Groups of atoms added to a carbon skeleton that change its chemical properties are called
which of the following? - ANSWER Functional groups
What is the difference between maltose, sucrose, and lactose? - ANSWER They
monosaccharides they are composed of
Which of the following explains why unsaturated fatty acids contain less hydrogens than
saturated fatty acids? - ANSWER they have at least one double bond
Which organic molecular group can have Ether, Ketone, Aldehyde, and Hydroxyl functional
groups? - ANSWER carbohydrate
Which of the following distinguishes the function of carbohydrates with the function of lipids? -
ANSWER lipids are for long-term energy storage
Which of the following is the reason that FAME Analysis can be used to distinguish between
bacterial species? - ANSWER each species has unique fatty acids
Biochemical tests are used for which of the following purposes? - ANSWER to determine the
metabolic pathways of a bacteria
,Which of the following is a covalent bond? - ANSWER disulfide linkage
Which of the following is the meaning of essential elements? - ANSWER macronutrients and
micronutrients necessary for life
The formation of organic molecules in living organisms is due to which of the following? -
ANSWER the interaction of electrons between atoms of carbon, oxygen, hydrogen, and nitrogen
A peptide bond forms between which of the following? - ANSWER the amino group of one
amino acid and the carboxylic acid group of the next amino acid
Which functional group is the combination of a hydroxyl and carbonyl group? - ANSWER
carboxylic acid
Organic molecules are also considered which of the following? - ANSWER biomolecules
Which of the following is common between glycogen, cellulose, and starch? - ANSWER they are
all composed of monomers of glucose
Why is the bonding together of monomers called dehydration synthesis? - ANSWER water is
removed when monomers are put together
Which of the following would best describe glucose? - ANSWER monosaccharide
Which of the following is the reason each amino acid is unique? - ANSWER the structure of the
side group
, Which of the following is necessary for proteins to be functional? - ANSWER they need to have
the correct shape
Galactose, fructose, and glucose differ from one another in which of the following ways? -
ANSWER the way that the atoms are bonded to one another
Which of the following involves more than one polypeptide? - ANSWER quaternary structure
Which of the following is the element that is the basis of all organic molecules? - ANSWER
carbon
Which of the following describes a phospholipid? - ANSWER Phospholipids have a phosphate
glycerol head that is hydrophilic.
Why are monomers necessary? - ANSWER they are the building blocks
Although they have the same molecular formula, why would a microbe be able to metabolize
fructose but not glucose? - ANSWER glucose is an isomer of fructose
The electrons carried by NADH and FADH2 are used for which of the following? - ANSWER
Electron transport
Which of the following distinguishes substrate-level phosphorylation from oxidative
phosphorylation? - ANSWER Oxidative phosphorylation involved hydrogen ion flow
Which of the following are biological catalysts? - ANSWER Enzymes
Salado Questions With Complete Solutions
Which group of molecules have interlocking rings and help stabilize the cell membrane? -
ANSWER lipid
Groups of atoms added to a carbon skeleton that change its chemical properties are called
which of the following? - ANSWER Functional groups
What is the difference between maltose, sucrose, and lactose? - ANSWER They
monosaccharides they are composed of
Which of the following explains why unsaturated fatty acids contain less hydrogens than
saturated fatty acids? - ANSWER they have at least one double bond
Which organic molecular group can have Ether, Ketone, Aldehyde, and Hydroxyl functional
groups? - ANSWER carbohydrate
Which of the following distinguishes the function of carbohydrates with the function of lipids? -
ANSWER lipids are for long-term energy storage
Which of the following is the reason that FAME Analysis can be used to distinguish between
bacterial species? - ANSWER each species has unique fatty acids
Biochemical tests are used for which of the following purposes? - ANSWER to determine the
metabolic pathways of a bacteria
,Which of the following is a covalent bond? - ANSWER disulfide linkage
Which of the following is the meaning of essential elements? - ANSWER macronutrients and
micronutrients necessary for life
The formation of organic molecules in living organisms is due to which of the following? -
ANSWER the interaction of electrons between atoms of carbon, oxygen, hydrogen, and nitrogen
A peptide bond forms between which of the following? - ANSWER the amino group of one
amino acid and the carboxylic acid group of the next amino acid
Which functional group is the combination of a hydroxyl and carbonyl group? - ANSWER
carboxylic acid
Organic molecules are also considered which of the following? - ANSWER biomolecules
Which of the following is common between glycogen, cellulose, and starch? - ANSWER they are
all composed of monomers of glucose
Why is the bonding together of monomers called dehydration synthesis? - ANSWER water is
removed when monomers are put together
Which of the following would best describe glucose? - ANSWER monosaccharide
Which of the following is the reason each amino acid is unique? - ANSWER the structure of the
side group
, Which of the following is necessary for proteins to be functional? - ANSWER they need to have
the correct shape
Galactose, fructose, and glucose differ from one another in which of the following ways? -
ANSWER the way that the atoms are bonded to one another
Which of the following involves more than one polypeptide? - ANSWER quaternary structure
Which of the following is the element that is the basis of all organic molecules? - ANSWER
carbon
Which of the following describes a phospholipid? - ANSWER Phospholipids have a phosphate
glycerol head that is hydrophilic.
Why are monomers necessary? - ANSWER they are the building blocks
Although they have the same molecular formula, why would a microbe be able to metabolize
fructose but not glucose? - ANSWER glucose is an isomer of fructose
The electrons carried by NADH and FADH2 are used for which of the following? - ANSWER
Electron transport
Which of the following distinguishes substrate-level phosphorylation from oxidative
phosphorylation? - ANSWER Oxidative phosphorylation involved hydrogen ion flow
Which of the following are biological catalysts? - ANSWER Enzymes
