Create an account
The plasma membrane is selectively permeable. Which of the following can pass freely through the membrane with no assistance?
oxygen and carbon dioxide
In oil-based liquids, phospholipids are arranged so that their _____ face outward and their _____ are orientated inward.
hydrophobic tails, hydrophilic heads
The movement of molecules from an area of higher concentration to an area of lower concentration is called _____.
When water moves toward the solution with the _____ solute concentration, the solution is _____.
Our cells require glucose to produce energy. Consider a cell where the external concentration of glucose has dropped to 5%, but the internal concentration is at 20%. How does the cell obtain more glucose?
Energy can be classified as either potential or kinetic. Which of the following is an example of kinetic energy?
a hot cup of coffee
Reactions can be exergonic or endergonic. Which of these reactions is endergonic?
Through an _____ reaction, ATP is hydrolyzed into ADP by _____ and _____ energy.
exergonic, losing a phosphate group, releasing
During enzymatic reactions, substrates are converted to products. A property of enzymes that facilitates this reaction is that they are catalysts and therefore ____
change the rate of a reaction without being consumed by the reaction
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 and try again
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