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Bio I
12-4
Question | Answer |
---|---|
Gene mutations that involve changes in one nucleotide are called _____________ mutations. | point |
Which two mutations can cause a frameshift mutation? | insertion and deletion |
If the nitrogen base changes to a different type, name the three conditions that could occur. | missense, nonsense, and silent |
If an organisms has an extra set of chromosomes, it is called ______________. | polyploidy |
Whole chromosome mutations can involve moving parts of chromosomes. Can you name the four problems? | duplication, inversion, translocation, deletion |
Which is worse as far as the reading frame is concerned, point or frameshift mutations? | frameshift - the whole reading frame shifts |
Name two things on a tRNA molecule. | anticodon and amino acid |
What makes up proteins? | amino acids |
What is rRNA? | a ribosome |
What do ribosomes do? | read mRNA and make a protein |
Where is DNA found in eukaryotes? | the nucleus |
Where is DNA found in prokaryotes? | the cytoplasm |