Which of the following is not part of a nucleic acid?
Question 7 options:
pentose sugar
nitrogenous base
fatty acid group
phosphate group
Why does the egg white from raw eggs go from clear to white
after it is cooked?
Question 8 options:
because the protein is denatured in raw egg white
because the protein is denatured in cooked egg white because the peptide bonds existing between amino acids break in the raw eg because the peptide bonds existing between amino acids break in the cooke
What property of the phospholipid bilayer allows proteins to
move laterally in the membrane?
Question 9 options:
phospholipid molecules are not covalently bonded to each other
proteins attract each other with opposite charges
phospholipids and proteins are attracted to each other
phospholipids are attracted to each other by opposite charges
What is a characteristic of cell membranes?
Question 10 options:
dynamic
impermeable
static
symmetrical
Which of the following does a prokaryotic cell have that an
animal cell does not?
Question 11 options:
ribosomes
cell wall vacuole
DNA What is the difference between eukaryotic and prokaryotic cells?
Question 12 options: eukaryotic cells are found in animals, while plant cells are comprised of prokaryotic ce
eukaryotic cells have a plasma membrane, which is lacking in prokaryotic cells.
eukaryotic cells have a nucleoid region, which is lacking in prokaryotic cells.
eukaryotic cells have membrane­enclosed organelles, which are lacking in prokaryotic cells.
Select the statement that is ***incorrect*** Question 13 options:
Cells contain either DNA or RNA, never both
Cell are the smallest living things
Most cells can divide to produce new cells
All living organisms are composed of at least one cell
All cells are either prokaryotic or eukaryotic What is the diffusion of water through a selectively permeable
membrane called?
Question 14 options:
pinocytosis
facilitated diffusion
active transport
osmosis
phagocytosis
endocytosis
What is osmosis?
Question 15 options:
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
What is the name of the process by which a cell will uptake
large molecules from the extracellular fluid?
Question 16 options:
endocytosis
active transport
facilitated diffusion
exocytosis What is the function of the endoplasmic reticulum in the eukaryotic
cells?
Question 17 options:
modifies proteins, synthesizes lipids.
directs the synthesis of ribosomes and proteins
organizing center of microtubules in animal cells
synthesizes ATP, cellular respiration
What is the function of the mitochondria in the eukaryotic cell?
Question 18 options:
protein synthesis
directs the synthesis of ribosomes and proteins
organizing center of microtubules in animal cells
production of ATP, cellular respiration
You have a case of the common cold (which is caused by a
virus). What would happen if you take antibiotics?
Question 19 options:
you will get better
you will get another viral infection
nothing
you will get worse
Which is a plausible effect of taking oral antibiotics?
Question 20 options: the antibiotics could unintentionally kill good bacteria living in your intestine
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 antibio
and actually end up prolonging the infection.
the antibiotics could destroy viruses that have infected your body

 

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