age 1 of 26
ECPI BIO 111 EXAM 1 STUDY GUIDE 2025/2026
COMPLETE QUESTIONS WITH VERIFIED CORRECT
SOLUTIONS || 100% GUARANTEED PASS <LATEST
VERSION>
What is the difference between covalent bonds and ionic bonds?
.....Answer.......Covalent bonds involve the sharing of electrons
between atoms; ionic bonds involve the electrical attraction
between charged atoms.
A peptide bond ____ .....Answer.......forms the primary structure
of proteins
About 25 of the 92 natural elements are known to be essential
to life. Which four of these 25 elements make up approximately
96% of living matter? .....Answer.......carbon, hydrogen, nitrogen,
oxygen
,age 2 of 26
Nitrogen is more electronegative than hydrogen. Which of the
following is a correct statement about the atoms in ammonia
(NH3) .....Answer.......ammonia has an overall positive charge
A glycosidic linkage is analogous to which of the following
proteins? .....Answer.......a peptide bond
The difference between the sugar in DNA and the sugar in RNA
is that the sugar in DNA _____ .....Answer.......contains one less
oxygen atom
The partial negative charge at one end of the water molecule is
attracted to the partial positive charge of another water
molecule. What is this attraction called? .....Answer.......a
hydrogen bond
A phospholipid is a _____ .....Answer.......nonpolar lipid molecule
that is made amphipathic by the addition of a phosphate
, age 3 of 26
What is the function of the nuclear pore complex found in
eukaryotes? .....Answer.......It regulates the movement of proteins
and RNAs into and out of the nucleus
Which of the following is NOT a component of each monomer
used to make proteins? .....Answer.......a phosphorous atom, P
Which of the following is a statement of the first law of
thermodynamics? .....Answer.......Energy cannot be created or
destroyed
The bonding of two amino acid molecules to form a larger
molecule requires the ______ .....Answer.......release of a water
molecule
The Golgi apparatus has a polarity, or sidedness, to its structure
and function. Which of the following statements correctly
describes this polarity? .....Answer.......all of the above
ECPI BIO 111 EXAM 1 STUDY GUIDE 2025/2026
COMPLETE QUESTIONS WITH VERIFIED CORRECT
SOLUTIONS || 100% GUARANTEED PASS <LATEST
VERSION>
What is the difference between covalent bonds and ionic bonds?
.....Answer.......Covalent bonds involve the sharing of electrons
between atoms; ionic bonds involve the electrical attraction
between charged atoms.
A peptide bond ____ .....Answer.......forms the primary structure
of proteins
About 25 of the 92 natural elements are known to be essential
to life. Which four of these 25 elements make up approximately
96% of living matter? .....Answer.......carbon, hydrogen, nitrogen,
oxygen
,age 2 of 26
Nitrogen is more electronegative than hydrogen. Which of the
following is a correct statement about the atoms in ammonia
(NH3) .....Answer.......ammonia has an overall positive charge
A glycosidic linkage is analogous to which of the following
proteins? .....Answer.......a peptide bond
The difference between the sugar in DNA and the sugar in RNA
is that the sugar in DNA _____ .....Answer.......contains one less
oxygen atom
The partial negative charge at one end of the water molecule is
attracted to the partial positive charge of another water
molecule. What is this attraction called? .....Answer.......a
hydrogen bond
A phospholipid is a _____ .....Answer.......nonpolar lipid molecule
that is made amphipathic by the addition of a phosphate
, age 3 of 26
What is the function of the nuclear pore complex found in
eukaryotes? .....Answer.......It regulates the movement of proteins
and RNAs into and out of the nucleus
Which of the following is NOT a component of each monomer
used to make proteins? .....Answer.......a phosphorous atom, P
Which of the following is a statement of the first law of
thermodynamics? .....Answer.......Energy cannot be created or
destroyed
The bonding of two amino acid molecules to form a larger
molecule requires the ______ .....Answer.......release of a water
molecule
The Golgi apparatus has a polarity, or sidedness, to its structure
and function. Which of the following statements correctly
describes this polarity? .....Answer.......all of the above
