If $30 \%$ of an organism's DNA is thymine, then a. $70 \%$ is uracil. b. $20 \%$ is guanine. c. $30 \%$ is adenine. d. $70 \%$ is cytosine.
Added by Jacqueline C.
Step 1
Since 30% of the DNA is thymine, there must also be 30% adenine to pair with it. This leaves 40% of the DNA to be split between cytosine and guanine. We don't have enough information to determine the exact percentages of cytosine and guanine, but we can rule out Show more…
Show all steps
Your feedback will help us improve your experience
Adi S and 59 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
If 30% of an organism’s DNA is thymine, then a. 70% is purine. b. 20% is guanine. c. 30% is adenine. d. 70% is pyrimidine. e. Both b and c are correct.
Raechel T.
If 1 is thymine, then A must be (A) guanine (B) cytosine (C) thymine (D) adenine (E) uracil
SAMPLE TEST
Biology E/M Sample Test 1
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD