8.1/8.2 Quiz

Quiz
•
Biology
•
9th - 10th Grade
•
Medium
Standards-aligned

Rudy Stulc
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which result of Frederick Griffith’s experiments led him to believe in a “transforming principle”?
Mice injected with live S bacteria died.
Mice injected with live R bacteria lived.
Mice injected with dead S bacteria lived.
Mice injected with dead S and live R bacteria died.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An important factor in Oswald Avery’s ability to identify the “transforming principle” as DNA was the fact that proteins?
contain very little phosphorus.
were present in the extract made from S bacteria.
do not react with enzymes.
could be observed in the extract made from R bacteria.
Tags
NGSS.HS-LS1-1
NGSS.HS-LS3-1
NGSS.HS-LS3-2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chemical analysis of Avery’s extracts showed that the ratio of nitrogen to phosphorus was consistent with that of
Enzyme
DNA
Protein
Bacteria
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hershey and Chase chose to use bacteriophages in their experiments because these viruses
contain little more than DNA and protein.
can be seen with a light microscope.
can infect only bacteria, not humans.
will not grow in radioactive culture.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As a result of the Hershey and Chase experiments, scientists believe that
radioactive isotopes can be used safely.
viruses use bacterial DNA to reproduce.
the “transforming principle” is DNA.
bacteriophages can be grown in culture medium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The four types of nucleotides that make up DNA are named for their
hydrogen bonds.
nitrogen-containing bases.
phosphate groups.
ring-shaped sugars.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After examining the DNA of different organisms, which of the following did Erwin Chargaff conclude about the four bases?
A = T and C = G.
A = C = G = T.
A = C and G = T.
A + T = C + G.
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