Questions With Complete Solutions
A carbohydrate energy storage molecule found in animal liver
and muscle cells is: Correct Answer glycogen
A chemical reaction in which monomers become covalently
linked and thus synthesizes polymers from their building blocks
is called: Correct Answer condensation
A molecule of saturated triacylglycerol contains: Correct
Answer the maximum number of hydrogen atoms in the fatty
acid chains
All of the following types of chemical bonds are responsible for
maintaining the tertiary structure of this polypeptide except:
Correct Answer peptide bonds
Amino acids are important biological buffers because: Correct
Answer Their amino and carboxyl group can accept and release
protons (H+)
Amyloplasts are organelles that store: Correct Answer starch
An amphipathic molecule has: Correct Answer a hydrophobic
and a hydrophilic portion.
Analysis of a certain polymer shows that it contains phosphate
groups, ribose sugars, and pyrimidines. Based on this
information, which of the following is the best description of
, this compound? Correct Answer It is most likely ribonucleic
acid
ATP is important in living organisms because: Correct Answer
it can transfer some of its energy to other chemicals and thus
serves as the primary energy currency of all cells.
Carbohydrate molecules: Correct Answer are a source of
energy
DNA most directly determines which _____ are made by a cell.
Correct Answer proteins
Glucose dissolves in water because: Correct Answer it has
polar hydroxyl groups that interact with polar water molecules
Hydrocarbons are hydrophobic because: Correct Answer the
covalent bonds between hydrogen and carbon are nonpolar
If glycine and alanine undergo condensation, the new bond that
is formed is between the: Correct Answer carbon of the
carboxyl group and the nitrogen of the amino group
If the differently shaded portions of this molecule represent
different polypeptide chains, then this figure is representative of:
Correct Answer The quaternary structure of a protein.
If you partially hydrogenate Ollie acid, the resulting molecule
most likely would: Correct Answer Have a double bond
changed from cis to trans.