Chapter 16 Flashcards
1
Q
What are bacteriophages (or phages for short) ?
A
Viruses that infect bacteria
2
Q
What makes a virus a virus?
A
Has DNA/RNA and an enclosed coat
3
Q
What is the enclosed coat usually?
A
Protein
4
Q
What are Chargaff’s rules?
A
DNA base comp varies between species and the percentages are roughly equal
5
Q
What are histones?
A
Proteins that package the chromosome “beads” or nucleosomes
6
Q
What are telomeres?
A
repeating noncoding sequences at the ends
7
Q
What is the overall error rate?
A
1 error per 10,000,000,000 nucleotides
8
Q
What enzymes are needed for nucleotide excision repair?
A
Nuclease, DNA polymerase, DNA ligase