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