BIOD 101 - Exam 1 Questions with
Correct Answers
What is matter? - CORRECT ANSWER -
Matter is anything that takes up space, by having a volume, and has mass
Primary structure - CORRECT ANSWER -
Order in which amino acid monomer units are arranged in a linear polypeptide chain
secondary structure - CORRECT ANSWER -includes repeating patterns such as alpha-
helices and Beta-sheets
tertiary structure - CORRECT ANSWER -overall three-
dimensional shape assumed by each polypeptide chain
quaternary structure - CORRECT ANSWER -occurs when two or more polypeptide chains interact
What are the two distinct methods by which particles cross a selectively permeable membrane?
- CORRECT ANSWER -Passively (Passive transport) and actively (active transport)
are the most abundant lipids in living organisms. These compounds, commonly kno
wn simply as , are an economical form of reserve fuel storage because when broken dow
n they yield more than twice as much energy per gram as carbohydrates. - CORRECT ANSWER -
Triglycerides
fats
, What are ions? - CORRECT ANSWER -
Ions are atoms (or molecules) with a net electrical charge that can be negative or positive based
on the gain or loss of electrons, respectively
Which organelle of the cell is an extension of the outer membrane of the nucleus and often con
tains ribosomes?
a. endoplasmic reticulum
b. golgi apparatus
c. nucleus
d. mitochondria - CORRECT ANSWER -a. endoplasmic reticulum
True or False; If false, make the statement true: Passive transport is vital for moving essential nu
trients into the cell. Should passive transport stop, the cell would cease to function. -
CORRECT ANSWER -
False; Active transport is vital for moving essential nutrients into the cell. Should active transpor
t stop, the cell would cease to function.
What are the four main types of organic molecules that make up biomacromolecules? -
CORRECT ANSWER -Carbohydrates, lipids, proteins, and nucleic acids
What type of cell junctions are mechanical structures that wrap around the cell to prevent extra
cellular fluid from leaking? - CORRECT ANSWER -tight junctions
What chemical molecules carry genetic information within the cell? - CORRECT ANSWER -
nucleic acid
Which of the following statements is TRUE concerning eukaryotic cells?
Correct Answers
What is matter? - CORRECT ANSWER -
Matter is anything that takes up space, by having a volume, and has mass
Primary structure - CORRECT ANSWER -
Order in which amino acid monomer units are arranged in a linear polypeptide chain
secondary structure - CORRECT ANSWER -includes repeating patterns such as alpha-
helices and Beta-sheets
tertiary structure - CORRECT ANSWER -overall three-
dimensional shape assumed by each polypeptide chain
quaternary structure - CORRECT ANSWER -occurs when two or more polypeptide chains interact
What are the two distinct methods by which particles cross a selectively permeable membrane?
- CORRECT ANSWER -Passively (Passive transport) and actively (active transport)
are the most abundant lipids in living organisms. These compounds, commonly kno
wn simply as , are an economical form of reserve fuel storage because when broken dow
n they yield more than twice as much energy per gram as carbohydrates. - CORRECT ANSWER -
Triglycerides
fats
, What are ions? - CORRECT ANSWER -
Ions are atoms (or molecules) with a net electrical charge that can be negative or positive based
on the gain or loss of electrons, respectively
Which organelle of the cell is an extension of the outer membrane of the nucleus and often con
tains ribosomes?
a. endoplasmic reticulum
b. golgi apparatus
c. nucleus
d. mitochondria - CORRECT ANSWER -a. endoplasmic reticulum
True or False; If false, make the statement true: Passive transport is vital for moving essential nu
trients into the cell. Should passive transport stop, the cell would cease to function. -
CORRECT ANSWER -
False; Active transport is vital for moving essential nutrients into the cell. Should active transpor
t stop, the cell would cease to function.
What are the four main types of organic molecules that make up biomacromolecules? -
CORRECT ANSWER -Carbohydrates, lipids, proteins, and nucleic acids
What type of cell junctions are mechanical structures that wrap around the cell to prevent extra
cellular fluid from leaking? - CORRECT ANSWER -tight junctions
What chemical molecules carry genetic information within the cell? - CORRECT ANSWER -
nucleic acid
Which of the following statements is TRUE concerning eukaryotic cells?
