Cell
Anatomy
Anatomy
The intracellular fluid packed with the organelles
of a cell is called _______.
a. plasma
b. nucleus
c. phospholipid
d. cytoplasm
d. cytoplasm
Which of the following is NOT an example of
passive transport?
a. Diffusion
b. Facilitated diffusion
c. Pinocytosis
d. Osmosis
c. Pinocytosis
Which of the following is NOT an example of
vesicular transport?
a. Active transport
b. Phagocytosis
c. Exocytosis
d. Pinocytosis
a. Active transport
n a cell, proteins are synthesized at the
________.
a. Golgi apparatus
b. mitochondrion
c. smooth endoplasmic reticulum
d. ribosome
d. ribosome
Mitosis is the division of the _______.
a. cell
b. cytoplasm
c. nucleus
d. all of the above
c. nucleus
The cell membrane is composed mostly of
________.
a. proteins and steroids
b. phospholipids and steroids
c. phospholipids and proteins
d. carbohydrates and steroids
c. phospholipids and proteins
If you walk into your house and smell dinner, you
are experiencing ________.
a. diffusion
b. osmosis
c. facilitated diffusion
d. active transport
a. diffusion
A cell will “drink” small amounts of fluid and
solutes using _______.
a. pinocytosis
b. phagocytosis
c. facilitated diffusion
d. exocytosis
a. pinocytosis
In a cell, ATP is produced by the _________.
a. Golgi apparatus
b. mitochondrion
c. rough endoplasmic reticulum
d. ribosome
b. mitochondrion
Cytokinesis is defined as _________.
a. the division of the cell
b. the formation of a cleavage furrow
c. the division of the cytoplasm
d. the telophase stage of mitosis
c. the division of the cytoplasm
The smallest unit of life is the ________.
a. cell
b. organelle
c. nucleus
d. DNA
a. cell
Diffusion requires _______.
a. a membrane
b. protein carriers
c. energy
d. none of the above
d. none of the above
Specifically, which type of transport is driven by
energy stored in gradients?
a. Symport transport
b. Primary active transport
c. Secondary active transport
d. Antiport transport
c. Secondary active transport
Which organelle detoxifies a number of toxic
substances?
a. Endoplasmic reticulum
b. Lysosomes
c. Peroxisomes
d. Phagosomes
b. Lysosomes
DNA is replicated during which stage of
interphase?
a. Gap zero (G0)
b. Gap one (G1)
c. Gap two (G2)
d. S phase
d. S phase
The interior of the cell membrane can best be
described as ________.
a. hydrophilic
b. hydrophobic
c. hydrated
d. polar
b. hydrophobic
A cell that is placed in a hypertonic solution will
______.
a. burst
b. crenate
c. remain the same
d. hydrate
b. crenate
How is active transport different from facilitated
diffusion?
a. It is specific.
b. It is reversible.
c. It exhibits saturation.
d. It moves against the
concentration gradient.
d. It moves against the
concentration gradient.
Which type of cytoskeleton attaches to
desmosomes to resist pulling forces exerted on
the cell?
a. Microtubules
b. Macrotubules
c. Intermediate filaments
d. Microfilaments
c. Intermediate filaments
If a cell has 8 chromosomes before mitosis, each
daughter cell will have how many chromosomes?
a. 2
b. 4
c. 8
d. 16
c. 8
Cell junctions that are important in cell
communication are _______.
a. tight junctions
b. gap junctions
c. desmosomes
d. plaques
b. gap junctions
_________ solutions contain a lower
concentration of nonpenetrating particles than
cells contain.
a. Osmotic
b. Hypertonic
c. Isotonic
d. Hypotonic
d. Hypotonic
Which molecules would most likely be actively
transported?
a. Water molecules
b. Amino acids
c. Molecules moving to a lower concentration
d. Hydrophobic molecules
b. Amino acids
These organelles are fatal to the cell if they burst.
a. Ribosomes
b. Centrioles
c. Mitochondria
d. Lysosomes
d. Lysosomes
Semiconservative replication refers to _____.
a. each new DNA molecule consisting of one old
and one new nucleotide strand
b. the equal splitting of the cytoplasm during
cytokinesis
c. the production of two genetically identical
daughter cells at the end of mitosis
d. the conservation of energy during
mitosis and cytokinesis
a. each new DNA molecule consisting of one old
and one new nucleotide strand
What is the function of small interfering RNAs?
a. They suppress mRNAs made by certain
exons.
b. They ferry amino acids to the ribosomes.
c. They turn on or off protein synthesis in
response to metabolic changes.
d. They interfere with viral
replication.
d. They interfere with viral replication.