BIO 101 Week 2 Quiz Complete Solution
AMINO ACIDS
Question 1 5 / 5 points
Which of the following macromolecules are made from amino
... [Show More] acids?
Correct Response
proteins
complex carbohydrates
nucleic acids
lipids
Question 2 5 / 5 points
What is the name of the monomer that makes up proteins?
nucleotides
Correct Response
amino acids
disaccharides
fatty acids
PROTEINS
Question 3 5 / 5 points
What is the name of the chemical bond between amino acids?
phosphodiester
hydrogen
Correct Response
peptide
electronegative
CARBOHYDRATES
Question 4 5 / 5 points
Which of the following carbohydrates is used to store energy in animal cells?
cellulose
starch
Correct Response
glycogen
hemi-cellulose
Question 5 5 / 5 points
Which of the following is characterized as dietary fiber?
sucrose
glycogen
Correct Response
cellulose
starch
LIPIDS
Question 6 5 / 5 points
Fatty acids are a component of what type of macromolecule?
Correct Response
lipids
complex carbohydrates
nucleic acids
proteins
NUCLEIC ACIDS
Question 7 5 / 5 points
Which of the following is not part of a nucleic acid?
pentose sugar
nitrogenous base
Correct Response
fatty acid group
Correct Answer
phosphate group
DENATURATION
Question 8 5 / 5 points
Why does heating up a protein such as an enzyme cause it to lose function?
because it burns up
Correct Response
because it loses its shape
because it works best at low temperatures
because it shows they are contaminated
PHOSPHOLIPIDS
Question 9 5 / 5 points
The inside of a phospholipid bilayer is:
Correct Response
hydrophobic
hydrophilic
hypotonic
hypertonic
CELL MEMBRANES
Question 10 0 / 5 points
What is a characteristic of cell membranes?
Correct Answer
dynamic
impermeable
static
Incorrect Response
symmetrical
COMPARING EUKARYOTES & PROKARYOTES
Question 11 0 / 5 points
What is the difference between eukaryotic and prokaryotic cells?
eukaryotic cells are found in animals, while plant cells are comprised of prokaryotic cells.
eukaryotic cells have a plasma membrane, which is lacking in prokaryotic cells.
Incorrect Response
eukaryotic cells have a nucleoid region, which is lacking in prokaryotic cells.
Correct Answer
eukaryotic cells have membrane-enclosed organelles, which are lacking in prokaryotic cells.
Question 12 5 / 5 points
Which if the following are found in eukaryotic cells but not prokaryotic cells?
Correct Response
Golgi body
vacuole
DNA
ribosome
EUKARYOTES
Question 13 5 / 5 points
What would happen if a cell's lysosomes burst?
The cell would shrivel
The cell would divide into two cells
Correct Response
The cell would digest itself
The cell would need to manufacture more lysosomes
OSMOSIS & DIFFUSION
Question 14 5 / 5 points
If you place a dialysis tubing permeable only to water filled with 30% sucrose solution into a beaker filled with a 10% solution of sucrose, what would you expect?
Correct Response
water flows into the dialysis tubing
water flows out of the dialysis tubing
nothing happens
sucrose diffuses out of the tubing
sucrose diffuses into the tubing
Question 15 5 / 5 points
What is osmosis?
Correct Response
A process that involves the movement of water
A process that requires energy
A process that occurs across a cell wall
The movement of any molecule from high to low concentration
ACTIVE TRANSPORT
Question 16 5 / 5 points
What is the name of the process by which a cell will uptake large molecules from the extracellular fluid?
Correct Response
endocytosis
active transport
facilitated diffusion
exocytosis
EUKARYOTIC ORGANELLES
Question 17 5 / 5 points
What is the function of the peroxisome in the eukaryotic cell?
protein synthesis
organizing center of microtubules in animal cells
Correct Response
oxidizes and breaks down fatty acids and amino acids
storage and transport
ATP production
Question 18 5 / 5 points
In what type of cells would you expect to find a large amount of smooth endoplasmic reticulum?
brain
Correct Response
liver
intestinal
muscle
ANTIBIOTICS AND PROKARYOTIC CELLS
Question 19 5 / 5 points
You have a case of the common cold (which is caused by a virus). What would happen if you take antibiotics?
you will get better
you will get another viral infection
Correct Response
nothing
you will get worse
Question 20 5 / 5 points
Which is a plausible effect of taking oral antibiotics?
Correct Response
the antibiotics could unintentionally kill good bacteria living in your intestines, leaving you more susceptible to infection by pathogenic bacteria
the antibiotics could harm your own body cells.
the antibiotics could interfere with your body’s own ability to produce antibiotics, and actually end up prolonging the infection.
the antibiotics could destroy viruses that have infected your body [Show Less]