BIO 181 Exam 3 Prep - Practice Exam Concepts- Questions and Answers

BIO 181 Exam 3 Prep - Practice Exam Concepts- Questions and Answers

1. Nucleotide 3 components pentose (5-carbon) sugar, phosphate, nitrogenous base




2. Deoxyribonucleotide Basic building block of DNA, consisting of deoxyribose, a phosphate,
and a nitrogenous base.




3. Ribonucleotide Nucleotide containing ribose (recognize by 2 OHs on bottom); pre-
sent in RNA




4. What nucleotide compo- Nitrogenous base
nent contains nitrogen?

5. DNA ladder model Antiparallel (running in opposite directions) -- Be able to recognize
each nucleotide in the ladder






, BIO 181 Exam 3 Prep - Practice Exam Concepts- Questions and Answers


6. What compoments of the Phosphate groups and deoxyribose
nucleotides compose the
backbond of the ladder?




7. In DNA, what does ade- Thymine (T)
nine pair with?




8. In RNA, what does ade- Uracil (U)
nine pair with?




9. A-T are connected by 2 hy- 3 hydrogen bonds
drogen bonds, while C-G
are connected by....




10. Complementary base pair A rule that states that *adenine and thymine form pairs* across two
rule strands and *guanine and cytosine form pairs* across two strands.
A-T, C-G