Hormones are secreted by
phagocytosis. exocytosis.
pinocytosis.
osmosis.
exocytosis.
Which of the following statements about the rough endoplasmic
reticulum is false?
It consists of stacked envelopes called cisternae.
It makes the digestive enzymes contained in the lysosomes.
It makes the integral proteins of the cell membrane. It
stores lipids as inclusions.
it stores lipids as inclusions
Of the following, the only organelle that has a double membrane
structure is the
Golgi apparatus.
endoplasmic reticulum. mitochondrion.
centriole.
mitochondrion
This organelle is characterized by folded membranes called cristae.
peroxisome
lysosome
Golgi apparatus
rough endoplasmic reticulum mitochondria
None of the above
mitochondria
Which type of endocytosis ingests the most specific type of molecule?
receptor-mediated endocytosis phagocytosis
pinocytosis
fluid-phase endocytosis
receptor-mediated endocytosis
Which of the following statements about integral proteins in the
plasma membrane is false?
Some attach to the glycocalyx. They are more abundant
by volume than the membrane phospholipids.
They determine which molecules are transported through the membrane.
Most extend all the way through the membrane.
they are more abundant by volume than the membrane phospholipids.
This membranous organelle is the site of protein synthesis for
proteins that are secreted by the cell.
a. golgi apparatus
b. lysosome
c. rough ER
d. mitochondria
C
When a phagocytic white blood cell ingests a foreign bacterial cell,
the vesicle fuses with this organelle.
a. golgi apparatusb. lysosome c. rough ERd. mitochondria
B
This organelle primarily modifies products from the rough ER, and it
resembles a stack of hollow saucers, one cupped inside the next.
a. golgi apparatusb. lysosome c. rough ERd. mitochondria
A
This organelle produces ATP molecules
a. golgi apparatusb. lysosome c. rough ERd. mitochondria
D
This organelle has both a cis and a trans face
a. golgi apparatusb. lysosome c. rough ERd. mitochondria
A
These organelles are often called the "demolition crew" of
the cell.
a. golgi apparatusb. lysosome c. rough ERd. mitochondria
B
Materials that are to be exocytosed by cells are enclosed in vesicles
synthesized by the
mitochondrion.
nucleosome. Golgi apparatus.
ribosome.
Golgi apparatus.
The plasma membrane is composed of all of the following except
tubulin protein.
phospholipids.
cholesterol.
glycoproteins.
tubulin protein.
The plasma membrane is important for all the following reasons except
it separates the ECF from the ICF. it is an important
site for DNA transcription.
it acts as a site for cell-to-cell interaction and recognition.
it determines what substances enter and exit the cell.
it is an important site for DNA transcription
Which letter indicates a nucleosome?
C
Which letter indicates the chromatid?
D
Which letter indicates histones?
B
Which letter indicates the mitochondrion?
B
Which letter indicates the Golgi apparatus?
E