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Denaturation -BIOL200

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Wize University Biology Textbook > Chemistry of Life

Nucleic Acids

7 Activities

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Mark Yourself Question
  1. Grab a piece of paper and try this problem yourself.
  2. When you're done, check the "I have answered this question" box below.
  3. View the solution and report whether you got it right or wrong.
You are analyzing two sequences in the lab.

Sequence 1: AATAGATACATTAT
TTATCTATGTAATA

Sequence 2: CGCCCGTAGCCTCG
GCGGGCATCGGAGC

Which sequence would you predict to have a higher melting point? Why?
More Nucleic Acids Questions:
Practice: Monomers and Polymers
Choose the pair of terms that correctly completes this sentence:
Nucleotides are to __________ as __________ are to proteins
Nucleic Acid -BIOL200
Describe at least 3 key differences between the structure of DNA and RNA. (Short answer)
Practice: Base Pairing
You are analyzing an organism's genetic sequence and find that its genome is made up of 24% cytosine. What percent of the genome is made up of adenine?
What are the three key components of a nucleotide?
Practice: Nucleic acid
What type of macromolecule is the following? Be specific!
Practice: Monomers and Polymers
Choose the pair of terms that correctly completes this sentence:
Nucleotides are to __________ as __________ are to proteins
Which of the following is found on RNA but not DNA?
i. Deoxyribose sugar
ii. Phosphate
Choose the pair of terms that correctly completes this sentence:
Nucleotides are to __________ as __________ are to proteins
Practice: Nucleic acid
Which macromolecule does the molecule below belong to?
Nucleotides are joined together to form long chains though a ___ reaction to form a ____ bond
What are the three Pyrimidines
Name the two purines
What are the three key components of a nucleotide
You are analyzing the genome of a certain organism and find that it is made up of 34% thymine bases. Therefore, you reason there must be
16
% guanine bases.
Nucleic Acid -BIOl200
You are analyzing a double stranded DNA sequence that is 80 base pairs long. The DNA has 45 thymine (T) bases. How many cytosine (C) bases are present in this DNA structure?
Nucleic Acid -BIOL200
Describe at least 3 key differences between the structure of DNA and RNA. (Short answer)
Rank the following DNA sequences in order of stability (1= most stable, 4= least stable).
Practice: Base Pairing
You are analyzing an organism's genetic sequence and find that its genome is made up of 24% cytosine. What percent of the genome is made up of adenine?
On the left (below) is an experimental drug, which is a nucleoside analogue. On the right is adenosine. The drug is used to treat RNA viruses (viruses that have RNA rather than DNA as their genetic material), such as Ebola. How do you think this works?
Practice Problem 3
Given the following DNA sequence, determine the sequence of the complementary strand.
5’-GTAACCTTGA-3’
Practice Problem 2
Below are the structures of two nucleotides. Label each, indicating the phosphate group, sugar (specify ribose or deoxyribose), and base (specify purine or pyrimidine).