1. What is secreted from both natural killer (NK) cells andcytotoxic T (TC) cells from holes in the cell membranes leading tothe eventual destruction of the target?
a) Lysomes
b) Perforin
c) Complement
d) Bacteriocin
2. What is the name for a mutagen that insets itself between 2base pairs so that an extra base is added during DNA replication?Ethidium bromide DNAÂ Â is an example.
- Base analog
- Transposon
- Ionizing
- Intercalating agent
- Which of the following is an example of a conditionally lethalmutation?
- Inversion
- Temperature-sensitive mutation
- Translocation
- Thymine-thymine dimer
- Insertion equals mutation for all biological mutagens targetingbacteria
- True
- False
- Which term below describes cells that can take up DNA and betransformed? These cells can be generated in the lab usingCaCl2, glycerol, and cold temperature
- Virulent
- Competent
- Reactive
- Compatible
