Biology 101 Test 1
Questions with correct answers
About 25 of the 92 natural elements are known to be essential to life. Which 4 of these
25 make of 96% of living matter? - ✔��✔carbon, hydrogen, nitrogen, oxygen
Knowing just the whole number of an element allows inferences about which of the
following? - ✔��✔the number of protons plus neutrons in the element
When two atoms have the same level of attraction for electrons, the type of interaction
between these two atoms can be described as - ✔��✔nonpolar covalent bond
What is the difference between covalent bonds and ionic bonds? - ✔��✔Covalent
bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical
attraction between atoms of opposite charge
The element present in all organic molecules is - ✔��✔carbon
A carbon atom is most likely to form which of the following bonds with other atoms? - ✔
��✔Covalent bonds
Which two functional groups are always found in amino acids? - ✔��✔carboxyl and
amino
Which of the following is NOT a correct monomer/polymer pairing defining a
macromolecule? - ✔��✔Amino acid/DNA
Which of the following best summarizes the relationship between dehydration reactions
and hydrolysis? - ✔��✔Dehydration reactions assemble polymers, and hydrolysis
reactions break down polymers
The smallest unit show below is: - ✔��✔atom
In the scientific method, a formulation of a hypothesis occurs before the: - ✔��✔It
comes first
During the citric acid cycle which is not produced: - ✔��✔NADPH
A process which occurs in muscle cells during periods of oxygen deprivation is: - ✔��
✔anaerobic respiration
Questions with correct answers
About 25 of the 92 natural elements are known to be essential to life. Which 4 of these
25 make of 96% of living matter? - ✔��✔carbon, hydrogen, nitrogen, oxygen
Knowing just the whole number of an element allows inferences about which of the
following? - ✔��✔the number of protons plus neutrons in the element
When two atoms have the same level of attraction for electrons, the type of interaction
between these two atoms can be described as - ✔��✔nonpolar covalent bond
What is the difference between covalent bonds and ionic bonds? - ✔��✔Covalent
bonds involve the sharing of electrons between atoms; ionic bonds involve the electrical
attraction between atoms of opposite charge
The element present in all organic molecules is - ✔��✔carbon
A carbon atom is most likely to form which of the following bonds with other atoms? - ✔
��✔Covalent bonds
Which two functional groups are always found in amino acids? - ✔��✔carboxyl and
amino
Which of the following is NOT a correct monomer/polymer pairing defining a
macromolecule? - ✔��✔Amino acid/DNA
Which of the following best summarizes the relationship between dehydration reactions
and hydrolysis? - ✔��✔Dehydration reactions assemble polymers, and hydrolysis
reactions break down polymers
The smallest unit show below is: - ✔��✔atom
In the scientific method, a formulation of a hypothesis occurs before the: - ✔��✔It
comes first
During the citric acid cycle which is not produced: - ✔��✔NADPH
A process which occurs in muscle cells during periods of oxygen deprivation is: - ✔��
✔anaerobic respiration
