Enzymes that break down DNA catalyze the hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these enzymes? No answer text provided. The pyrimidines would be separated from the deoxyribose sugars O The two strands of the double helix would separate. The phosphodiester bonds between deoxyribose sugars would be broken.

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
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**Question:**

Enzymes that break down DNA catalyze the hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these enzymes?

**Answer Choices:**

- ○ No answer text provided.

- ○ The pyrimidines would be separated from the deoxyribose sugars.

- ○ The two strands of the double helix would separate.

- ○ The phosphodiester bonds between deoxyribose sugars would be broken.
Transcribed Image Text:**Question:** Enzymes that break down DNA catalyze the hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these enzymes? **Answer Choices:** - ○ No answer text provided. - ○ The pyrimidines would be separated from the deoxyribose sugars. - ○ The two strands of the double helix would separate. - ○ The phosphodiester bonds between deoxyribose sugars would be broken.
**Question:**

Which of the following amino acids has a net negative charge at physiologic pH (~7.4)?

**Options:**

- Lysine
- Asparagine
- Histidine
- Glutamic acid
Transcribed Image Text:**Question:** Which of the following amino acids has a net negative charge at physiologic pH (~7.4)? **Options:** - Lysine - Asparagine - Histidine - Glutamic acid
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