Hershey and Chase studied bacteriophages which are viruses that attack bacteria. They labeled the bacteriophage with radioactive isotopes to see where it goes when a virus attacks. They discovered that nearly all the radioactivity was found in phosphorus, confirming that DNA contains genetic material, not protein.
Answer:
There are many reasons why teachers should take children on a field trip. Some of them are:
1) The children tend to learn more form field trips.
2) Planning to visit cultural areas allow students to learn and visualize the cultural heritage of a city.
3) The children are better able to communicate with one another.
4) The teachers can get a better understanding about any child from a field trip.
5) Once in a while, some fun must be added to the schedule of the children and what better way other than a field trip.
Answer:
A and C
Explanation:
they provide food and have helped with medicinal discoveries
Yeast is an example of Eukaryote.
<span>Here are the description of Eukaryotes</span>
They have membrane bound nucleus/Primitive nucleus.
They have Membrane bound Organelles like mitochondria, chloroplast and they h<span>ave larger ribosomes than prokaryotes.</span>