Practice Ch.1-4

Created by dj43 

Upgrade to
remove ads

cytosol

The clear, structureless gel in a cell is its

transmembrane protein

The Na⁺-K⁺ pump is

active transport

Which of the following processes could occur only in the plasma membrane of a living cell?

microvilli

Cells specialized for absorption of matter from the ECF are likely to show an abundance of

osmosis

Aquaporins are transmembrane proteins that promote

do not chemically change their ligands

Membrane carriers resemble enzymes except for the fact that carriers

Na⁺ concentration gradient

The cotransport of glucose derives energy from

to bind to the first messenger

The function of cAMP in a cell is

endoplasmic reticulum

Most cellular membranes are made by

pinocytosis

Matter can leave a cell by any of the following means except

micrometers

Most human cells are 10 to 15 ____ in diameter.

second messenger

When a hormone cannot enter a cell, it activates the formation of a/an ____ inside the cell.

voltage-regulated

gates in the plasma membrane open or close in response to changes in the electrical charge difference across the membrane.

hydrostatic pressure

The force exerted on a membrane by water is called ___.

hypertonic

A concentrated solution that causes a cell to shrink is ___ to the cell.

exocytosis

Fusion of a secretory vesicle with the plasma membrane, and release of the vesicle's contents, is called ____.

nucleus, mitochondria

Tow organelles that are surrounded by a double unit membrane are the ____ and the ____.

smooth ER, peroxisomes

Liver cells can detoxify alcohol with two organelles, the ___ and ____.

ligand-regulated gate

An ion gate in the plasma membrane that opens or closes when a chemical binds to it is called a/an ____.

cisterna

The space enclosed by the unit membrane of the Golgi complex and endoplasmic reticulum is called the ____.

phospholipid-molecules

The plasma membrane consists primarily of _____.

microvilli

The brush border is composed of ____.

osmosis does not require ATP

If a cell were poisoned so it could not make ATP, osmosis through its membrane would _____.

active transport

Material can move either into or out of a cell by means of ____.

activate enzymes in the cell

A cell's second messengers serve mainly to _____

lysosomes

The Golgi complex makes _____ but not peroxisomes.

transmembrane protein

A channel could not move material from the outside of a cell to the inside unless it extended all the way across the membrane

isotonic

Human cells swell or shrink in any solution other than an _____ one.

osmosis

_____is not limited by the transport maximum (Tm).

ribosomes

It is very unlikely for a cell to have more centrosomes than _____.

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set