1. According to the Griffith experiments, what was trait was being transferred in DNA?
Group of answer choices
A smooth coat
A new toxin
An adhesin
DNA-destroying enzyme
2.
According to the Hershey and Chase experiments, the radioactive sulfur labelled the _______.
Group of answer choices
proteins that make up the viral coat
DNA that makes up the viral genome
viral ribosomes
viral polysaccharide capsule layer
1. Griffith's experiment was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation. In this experiment, bacteria from the III-S strain were killed by heat, and their remains were added to II-R strain bacteria. While neither alone harmed the mice, the combination was able to kill its host. Griffith was also able to isolate both live II-R and live III-S strains of pneumococcus from the blood of these dead mice. Griffith concluded that the type II-R had been "transformed" into the lethal III-S strain by a "transforming principle" that was somehow part of the dead III-S strain bacteria. The answer is a new toxin.
2. In Hershey and Chase experiments radioactive sulfur-35 was used to label the protein sections of the T2 phage because sulfur is contained in protein but not DNA. The answer is proteins that make up the viral coat.
1. According to the Griffith experiments, what was trait was being transferred in DNA? Group of...
5. Quantitative trait loci(QTL) are: The loci that contribute all of the variation in a continuous trait The loci that contribute all of the genetic variation in a continuous trait The loci that contribute the broad-sense heritability in a continuous trait The loci that contribute the narrow-sense heritability in a continuous trait 6. We looked at a study where Drosophila flies were selected for phototaxis (either attracted to or repelled by light). This experiment measures how much genetic variation existed...