ECPI BIO 111 CERTIFICATION GUIDE
FOR 2025/2026 TESTS|MOST COMMON
QUESTIONS WITH CORRECTLY VERIFIED ANSWERS
(LATEST QUIZZES) |ALREADY A+
GRADED|GUARANTEED PASS
A peptide bond ____ - 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? - carbon, hydrogen, nitrogen,
oxygen
Nucleic acids are polymers made up of which of the following monomers? - nucleotides
Nitrogen is more electronegative than hydrogen. Which of the following is a correct statement
about the atoms in ammonia (NH3) - ammonia has an overall positive charge
A glycosidic linkage is analogous to which of the following proteins? - a peptide bond
The difference between the sugar in DNA and the sugar in RNA is that the sugar in DNA _____ -
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? - a hydrogen bond
A phospholipid is a _____ - nonpolar lipid molecule that is made amphipathic by the
addition of a phosphate
What is the function of the nuclear pore complex found in eukaryotes? - 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? - a
phosphorous atom, P
Which of the following is a statement of the first law of thermodynamics? - Energy
cannot be created or destroyed
FOR 2025/2026 TESTS|MOST COMMON
QUESTIONS WITH CORRECTLY VERIFIED ANSWERS
(LATEST QUIZZES) |ALREADY A+
GRADED|GUARANTEED PASS
A peptide bond ____ - 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? - carbon, hydrogen, nitrogen,
oxygen
Nucleic acids are polymers made up of which of the following monomers? - nucleotides
Nitrogen is more electronegative than hydrogen. Which of the following is a correct statement
about the atoms in ammonia (NH3) - ammonia has an overall positive charge
A glycosidic linkage is analogous to which of the following proteins? - a peptide bond
The difference between the sugar in DNA and the sugar in RNA is that the sugar in DNA _____ -
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? - a hydrogen bond
A phospholipid is a _____ - nonpolar lipid molecule that is made amphipathic by the
addition of a phosphate
What is the function of the nuclear pore complex found in eukaryotes? - 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? - a
phosphorous atom, P
Which of the following is a statement of the first law of thermodynamics? - Energy
cannot be created or destroyed
