click below
click below
Normal Size Small Size show me how
DNA and RNA
Questions about DNA and RNA
Question | Answer |
---|---|
What are the two types of Nucleic Acids or Polynucleotides? | DNA - deoxyribonucleic acid RNA - ribonucleic acid |
How many parts does the monomer of nucleic acids consist of and what are these parts called? | 3 Parts 1. A five-carbon sugar 2. Nitrogen containing bases. 3. Phosphate group |
What is a five-carbon sugar? | Deoxyribose - found in DNA Ribose - found in RNA |
What are the 4 bases in DNA? | 4 bases in DNA are; Adenine (A), Guanine (G), Cytosine (C) and Thymine (T). |
What are the 4 bases in RNA? | 4 bases in RNA are; Adenine (A), Guanine (G), Cytosine (C) and Uracil (U). |
What is the phosphate group attached to? | The Phosphate group is attached to the sugar |
What instructions does DNA contain? | Instructions for the synthesis of a wide variety of proteins. |
What are proteins composed of? | A string of amino acids. |
How many bases code for an amino acid? | 3 bases code for an amino acid. |
What are some of the functions of proteins. | Structural support, transport, signaling, defense and movement |
What are the 3 functions of RNA | 1. Messenger RNA 2. Transfer RNA 3. Ribosomal RNA |
What is Messenger RNA? | Messenger RNA records information about proteins from DNA in the nucleus and transports this information to the ribosome. |
What is Transfer RNA? | Transfer RNA delivers the appropriate amino acids to the ribosomes during protein synthesis. |
What is Ribosomal RNA | A structural component of ribosomes. |
How many forms does DNA have? | 1 |
How many forms does RNA have | 3 |
What is the name of the sugar in DNA? | deoxiribose |
What type of sugar is in RNA? | ribose |
How many strands does mRNA have? | 1 |
How many strands does DNA have | 2 |
What is the difference in bases? | mRNA has uracil instead of thymine. |
Where is mRNA found? | outside the nucleus |
Where is DNA found? | inside the nucleus |
DNA contains .......... for building ............... | DNA contains instructions for building proteins |
What are chromosomes composed of? (2) | DNA and proteins. |