Which scientists discovered transformation in his experiments on mice and Pneumococcus bacteria?

Chapter 13 Lesson 1 Quiz

Quiz
•
Biology
•
9th Grade
•
Medium
Shallie Socorro
Used 25+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Griffith
Avery
Hershey
Chase
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which combination of bacteria killed the mice and showed that transformation occurred?
heat-killed R strain and S strain
heat-killed S-strain and live R-strain
heat-killed bacteria of both strains
live bacteria of both strains
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Avery and other scientists extracted a mixture of molecules from heat-killed bacteria. They found that transformation no longer occurred when they treated the mixture with enzymes that destroyed _________. This experiment supports the hypothesis that _______ is the genetic material.
DNA, DNA
protein, protein
RNA, protein
carbohydrates, RNA
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False. A bacteriophage is a type of virus that infects a bacteria.
True
False
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False. A bacteriophage is a virus consisting of a protein coat and a DNA core.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hershey and Chase labeled the bacteriophage with radioactive markers. What was the purpose of marking the bacteriophages with phosphorus-32 and sulfur-35?
to track the movements of DNA and sugars
to track the movements of DNA and proteins
to remove DNA and sugars from the bacteriophages
to combine DNA and proteins into a single molecule
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
True or False. DNA must instruct cells to produce needed molecules.
True
False
8.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are tasks that DNA must be able to perform in all organism?
It must store genetic informaiton
It must discard foreign genes
It must copy itself
It must move to locations throughout the cell
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When does transformation occur?
when bacteria are killed with heat
when a cell receives foreign DNA that is expressed as a new characteristic
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