Podcast
Questions and Answers
What are the monomers of nucleic acids?
What are the monomers of nucleic acids?
- Ribose sugar and deoxyribose sugar
- Nitrogen-containing base and phosphate group
- Pentose sugar and nitrogen-containing base (correct)
- Pentose sugar and phosphate group
Which nitrogenous base is present in DNA but not in RNA?
Which nitrogenous base is present in DNA but not in RNA?
- Uracil
- Adenine
- Thymine (correct)
- Guanine
What is the difference between adenine and adenosine?
What is the difference between adenine and adenosine?
- Adenine is found in DNA, while adenosine is found in RNA.
- Adenine is a component of nucleotides, while adenosine is a nucleotide made up of adenine and ribose or deoxyribose. (correct)
- Adenine contains ribose sugar, while adenosine contains deoxyribose sugar.
- Adenine is a single ring nitrogenous base, while adenosine is a double ring base.
What type of rings do pyrimidines have compared to purines?
What type of rings do pyrimidines have compared to purines?
Which sugar is present in DNA but not in RNA?
Which sugar is present in DNA but not in RNA?
What are the precursors to nucleotides?
What are the precursors to nucleotides?
What type of bonds form between complementary bases in DNA and RNA?
What type of bonds form between complementary bases in DNA and RNA?
How is DNA denatured or 'melted'?
How is DNA denatured or 'melted'?
In DNA, which base pairs with adenine and how does this differ in RNA?
In DNA, which base pairs with adenine and how does this differ in RNA?
What property of DNA allows for its strands to be separated with minimal energy input?
What property of DNA allows for its strands to be separated with minimal energy input?
What is the term used to describe the structure of DNA where the two strands run in opposite directions?
What is the term used to describe the structure of DNA where the two strands run in opposite directions?
Which process uses the information encoded in DNA to synthesize RNA?
Which process uses the information encoded in DNA to synthesize RNA?
What type of bond is formed between two nucleotides?
What type of bond is formed between two nucleotides?
In which direction are the bases laid down in a nucleic acid by DNA polymerase?
In which direction are the bases laid down in a nucleic acid by DNA polymerase?
What is the backbone of stacked, alternating sugar and phosphate molecules called?
What is the backbone of stacked, alternating sugar and phosphate molecules called?
What is the term used for relatively short polynucleotides containing up to 20 monomers?
What is the term used for relatively short polynucleotides containing up to 20 monomers?
If you unwound all the DNA in one of your cells and laid each strand end to end, how long would the resulting strand be?
If you unwound all the DNA in one of your cells and laid each strand end to end, how long would the resulting strand be?
How are nucleic acids talked about in terms of their composition?
How are nucleic acids talked about in terms of their composition?
