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CELLULAR FORM AND FUNCTION TEST BANK QUESTIONS WITH ANSWERS
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the most important advantage of the transmission electron microscope over the light microscope is it's higher resolution - Answer-true If a cell doubled in diameter, it would have twice as much cytoplasm to maintain. - Answer-false in the plasma membrane, glycolipids and glycoproteins face to...

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  • August 15, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
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  • cellular form and function test bank questions wit
  • the most important advantage of the transmission e

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CELLULAR FORM AND FUNCTION TEST
BANK QUESTIONS WITH ANSWERS
the most important advantage of the transmission electron microscope over the light
microscope is it's higher resolution - Answer-true

If a cell doubled in diameter, it would have twice as much cytoplasm to maintain. -
Answer-false

in the plasma membrane, glycolipids and glycoproteins face toward the cytoplasm,
while peripheral proteins always face toward the ECF - Answer-false

A cell's second messengers serve to transport material through cellular membranes. -
Answer-false

Microvilli and cilia differ in their function, but have the same internal structure. - Answer-
false

ligand-gated ion channels are membrane proteins that open or close in response to the
binding of a chemical - Answer-true

The greater the concentration gradient, the faster the diffusion rate. - Answer-true

Na+-K+ ATPase is a countertransport antiport carrier, which always requires energy. -
Answer-true

the sodium glucose transport protein is one example of an active transport process
involving a uniport carrier - Answer-false

The Golgi complex makes peroxisomes, but not lysosomes. - Answer-false

A crystal of calcium phosphate in the cytoplasm of a cell should be classified as an
inclusion. - Answer-trye

which of the following statements is not a tenet of modern cell theory - Answer-all cells
occupy space

Cells were first discovered when a scientist named __________ observed cell walls in
cork under a microscope. - Answer-Robert Hooke

One example of pinocytosis is the uptake of low-density lipoproteins (LDLs) by
endothelial cells. - Answer-false

, Both the nucleus and the mitochondrion are surrounded by a two layer membrane. -
Answer-true

In most cells, the nucleus is the largest organelle. - Answer-true

ribosomes are made of proteins and rna - Answer-true

which of the following is not one of the three basic components of a cell - Answer-
interstitial fluid

the flat shaped cells found covering the skin are ________ in shape - Answer-
squamous

Although the transmission electron microscope (TEM) can magnify much more than a
light microscope, even at identical magnifications the TEM has the advantage of
__________. - Answer-producing higher resolution

cells that are thick in the middle and tapered toward the end are called - Answer-
fusiform

Most human cells range from 10 to 15 micrometers in diameter. What limits how large a
cell can be? - Answer-the relationship between its volume and surface area

The fluid outside of a cell is called - Answer-extracellular fluid

the most abundant molecules in the plasma membrane are - Answer-phospholipids

membrane proteins that bind to signals by which cells communicate are called -
Answer-receptors

a receptor protein in the plasma membrane will not bind to just any chemical in the
extracellular fluid but only to certain ones. this property is called _______ - Answer-
specificity

In its second-messenger role, cAMP activates enzymes called _________, whose job is
to regulate other enzymes by adding phosphate groups to them. - Answer-kinases

most trans membrane proteins have _______ regions facing the intra and extracellular
fluid and ______ regions embedded in the phospholipid bilayer - Answer-hydrophilic ;
hydrophobic

channel protein gates respond to all of these stimuli except - Answer-water in the
extracellular fluid

in the glycocalyx________ act like identification tags that enable the body to distinguish
it's own cells from foreign and diseased cells - Answer-glycoproteins

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