a
Mitochondria Select one: a.have inner folds called cristae. b.have inner and outer membranes. c.contains DNA. d.All of these choices are correct. e.are the cell's power plants.
D) All are correct
What type of membrane proteins can catalyze chemical reactions on the inner or outer surfaces of the plasma membrane? Select one: a.enzymes b.channel protein c.marker molecules d.carrier proteins e.receptor proteins
D) enzymes
areolar tissue
a type of connective tissue proper that shows little specialization with cells dispersed in the matrix
Gap junctions Select one: a.all of these b.can function to coordinate movements of cilia. c.are small protein channels between cells. d.allow ions and small molecules to pass between cells. e.are found in intercalated disks in cardiac muscle cells.
a) all of these
If you compare a cell with a manufacturing plant that exports goods, the cell's _____ could be compared to the manufacturing plant's shipping department. Select one: a.Golgi apparatus b.nucleus c.ribosome d.lysosome e.endoplasmic reticulum
a.Golgi apparatus
The type of muscle found in the walls of blood vessels is Select one: a.smooth. b.voluntary. c.cardiac. d.striated. e.skeletal.
a.smooth.
striation
alignment of parallel actin and myosin filaments which form a banded pattern
The function of the Golgi apparatus is Select one: a.excretion of excess salt. b.packaging and distribution of proteins and lipids. c.energy production. d.DNA replication. e.production of microtubules.
b.packaging and distribution of proteins and lipids. c.energy production.
The muscle tissue that can be consciously controlled is Select one: a.cardiac b.skeletal c.intercalated d.smooth
b.skeletal
Mitosis forms Select one: a.daughter cells called gametes. b.two daughter cells with twice the amount of DNA as the mother cell. c.two daughter cells with half the DNA of the mother cell. d.two daughter cells with the same amount of DNA as the mother cell. e.one daughter cell and another incomplete cell.
b.two daughter cells with twice the amount of DNA as the mother cell.
Cells produce and respond to chemical and electrical signals as a means of Select one: a.metabolizing. b.using energy. c.communicating. d.synthesizing. e.reproducing.
c) communicating
Glands that secrete substances with no actual loss of cellular material are Select one: a.sebaceous glands. b.holocrine glands. c.merocrine glands. d.all of these. e.apocrine glands.
c. merocrine glands.
Skeletal muscle is composed of very hard working cells. Which organelles do you expect to find in abundance in skeletal muscle cell? Select one: a.striations b.nuclei c.mitochondria d.golgi bodies
c.mitochondria
clast
cell that destroys or reor
histamine
chemical compund released by mast cells in response to injury that causes vasodilation and endothelium permeability
Chroma
colored
What organelle contains the chromosomes? Select one: a.lysosomes b.mitochondria c.ribosomes d.nucleus e.centrioles
d) nucleus
The nucleus of a cell functions to Select one: a.control and coordinate cellular activities. b.digest lipids. c.produce secretory vesicles. d.synthesize proteins. e.produce ATP.
d) synthesize proteins
A cell can meet increased energy demands by an increase in Select one: a.nuclear DNA activity. b.its overall size so it has more room to generate energy. c.lysosomal enzyme and ribosome activity within the cell. d.the number of mitochondria. e.ribosomal subunits.
d) the number of mitochondria
Which type of transport proteins use cell energy to move molecules across the plasma membrane? Select one: a.ligand-gated ion channels b.leak-ion channels c.cadherins d.ATP-powered pumps
d.ATP-powered pumps
The sodium-potassium pump located in the plasma membrane Select one: a.actively transports water out of cells. b.actively transports sodium into cells. c.moves chlorine out of cells. d.actively transports potassium into cells. e.osmotically moves sodium into cells.
d.actively transports potassium into cells.
If a 0.9% NaCl (saline) solution is isotonic to a cell, then a solution of 3.5% NaCl would be Select one: a.All of these choices are correct. b.catatonic to the cell. c.hypotonic to the cell. d.hypertonic to the cell. e.isotonic to the cell.
d.hypertonic to the cell.
What type of cells phagocytize foreign or injured cells and play a major role in providing protection against infections? Select one: a.adipocytes b.osteoclast c.stem cells d.macrophages e.mast cells
d.macrophages
In parts of the body such as the urinary bladder, where considerable expansion occurs, one can expect to find which type of epithelium? Select one: a.pseudostratified b.cuboidal c.squamous d.transitional e.columnar
d.transitional
unipotent
describes that condition of being committed to a single specialized cell type
What organelles produce most of the cell's energy? Select one: a.nucleus b.centrioles c.ribosomes d.lysosomes e.mitochondria
e) mitochondria
What type of membrane proteins are integral proteins that move ions or molecules across plasma membrane? Select one: a.receptor proteins b.enzymes c.channel protein d.marker molecules e.carrier proteins
e.carrier proteins
Microvilli Select one: a.move the cell. b.are extensions of the lysosomal membrane. c.are supported by microtubules. d.function to make the cell mobile. e.increase the surface area of the cell.
e.increase the surface area of the ce
Experimental manipulation to increase the energy output of the cell might include Select one: a.rupturing the lysosomes in the cell. b.removing some of the ribosomes. c.increasing protein synthesis. d.decreasing nuclear size. e.increasing the number of mitochondria.
e.increasing the number of mitochondria.
Tall, thin epithelial cells with only some cells reaching the free surface, but with all cells attached to the basement membrane are called Select one: a.transitional epithelium. b.simple squamous epithelium. c.simple columnar epithelium. d.simple cuboidal epithelium. e.pseudostratified columnar epithelium.
e.pseudostratified columnar epithelium.
pinocytosis
endocytosis of fluid
RNA polymerase
enzyme that unwinds DNA and then adds new nucleotides to a growing strand for RNA for the transcription phase of protein sythesis
phobic
fearing
active tranport
form of transport across the cell membrane that requires input of cellular energy
calyx
husk
endo
inside
kinet
moving
extra
outside
lamina
plate/layer
checkpoint
progress point in the cell cycle during which certain conditions must be met in order for the cell to proceed to a subsequence phase
mucous membrane
tissue membrane that is covered by protective mucous and lines tissue exposed to the outside environment
smooth muscle
under involuntary control moves internal organs cells contain a single nucleus are spindle shaped and do not appear striated: each cell is a fiber