Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account

What is DNA?

DEOXYRIBONUCLEIC ACID, the material that contains the information that determines inherited characteristics

What is thymine?

one of the four possible bases in a string of DNA - it pairs with adenine

What are nucleotides?

a subunit of DNA that consists of a sugar, a phosphate, and a nitrogenous base

What is cytosine?

the complement of guanine

What LETTERS represent the 4 bases?

A, T, G, C

What did Rosalind Franklin show the shape of with X-ray diffraction?

a spiral

What did the DNA model of Watson and Crick look like?


What are the sides of the DNA ladder made of?

sugar and phosphate

What are the "rungs" of the ladder made of?

a pair of bases

Where does the DNA molecule split?


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!


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

Voice Recording