+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
The characteristics displayed by an organism in any given environment is its:a. genotypeb. archeatypec. mutatotyped. phenotype
|
D
|
|
Which would have the least effect on the amino acid sequence?a. substitution of 1 nucleotideb. deletion of 1 nucleotidec. addition of 1 nucleotided. addition/deletion of 2 consecutive nucleotidese. substitution of 1 nucleotide and addition of 1 nucleotide
|
D
|
|
Segments of DNA capable of moving from one area in the DNA to another is called?a. base analogb. intercalating agentsc. transposonsd. palindromic sequence
|
C
|
|
Irradiation of cells with ultraviolet light may cause...a. 4 nucleotides to covalently bond togetherb. thymine dimersc. adenine complementary base pairing with cytosined. the addition of uracil
|
B
|
|
Prokaryotic cell mutations can be observed very quickly because the prokaryotic chromosome is...a. diploidb. polyploidc. haploidd. polysomal
|
C
|
|
Direct selection involves inoculating cells onto growth media on which?a. mutant but not the parental will growb. the mutation will be reversedc. the nutrients necessary for mutation to occur are presentd. the mutagen is present
|
A
|
|
A clever technique that streamlines the identification of auxotrophic mutants is....a. gaschromatographyb. replica platingc. direct selectiond. reversion
|
B
|
|
The mechanisms by which genes are transfered into bacteria vis viruses is called?a. ellipsisb. replica platingc. transformationd. transductione. conjugation
|
D
|
|
Gene transfer that requires cell to cell contact is....a. transformationb. competencyc. conjugationd. functional genomics
|
C
|
|
The transfer of vancomycin resistance from entercoccus felcalis to staphylococcus aureus is thought to have involved...a. conjugationb. transformationc. transductiond. transposonse. A and D
|
E
|
|
Which pairing is INCORRECT?a. A:Tb G:Cc. A:Ud A:G
|
D
|
|
RNA is characterized by....a. deoxyriboseb. thyminec. ribosed. double straned
|
C
|
|
The 3' end of the DNA....a. refers to the end that has hydroxl group attached to the #3 carbon of deoxyriboseb. always has thymine attached to itc. always has guanine attached to itd. refers to the end that has the hydroxl group attahced to the #3 carbon of deoxyribose and attaches to the 5' phosphate group of the incoming nucleotidee. attaches to the 5' phosphate group
|
D
|
|
DNA replication is....a. conservativeb. interspersivec. semi-conservatived chain reference
|
C
|
|
The term antiparallel....a. refers to the structure single-stranded RNAb. in synonymous with semi-conservativec. refers to the opposite orientation of the two strands in DNAd. refers to a type of prokaryotic replication
|
C
|
