Bio Test Flashcards
(15 cards)
What are the three types of gene mutations?
Deletions, Insertions, and Substitutions
What are the three types of substitutions?
Missense, Silent, and Nonsense
What are the three parts of a nucleotide?
Nitrogenous base, sugar, and phosphate.
What are the monomers of DNA?
Nucleotides
What are the 4 nitrogenous bases in DNA?
adenine, thymine, guanine, cytosine
What are purines made of?
adenine and guanine
What are pyrimidines made of?
thymine and cytosine
What were the names of the 4 scientists that discovered the structure of DNA?
Francis Crick, Rosalind Franklin, James Watson, and Maurice Wilkins
What are the differences between DNA and RNA
DNA: double stranded, deoxyribose, ATCG, coiled.
RNA: single stranded, ribose, AUCG, uncoiled.
Where does transcription occur?
In the nucleus
Where does translation occur?
In the cytoplasm
What does the word mutation mean?
To change
What is another name for point mutation?
Gene mutations
What are the 4 types of chromosomal mutations?
deletion, duplication, inversion, and translocation
Which enzyme is responsible for transcription?
RNA polymerase
