Biology CA4

Quiz
•
Biology
•
1st Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
24 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Griffith's experiments with S. pneumoniae were significant because they showed that traits could be transferred from one organism to another What else did he find that was significant?
Dna was the genetic material
A virus made the bacteria pathogenic
Heat kills bacteria
Protein could not be the genetic material
The transferred traits were heritable
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the Hershey and Chase experiment that helped confirm that DNA, not protein, was the hereditary material, what was the key finding?
Radioactively labeled sulfur was present inside the infected bacteria.
Radioactively labeled phosphorus was present inside the infected bacteria
Radioactively labeled carbon was present inside the infected bacteria.
Radioactively labeled sulfur was found outside of the infected bacteria.
Radioactively labeled phosphorus was found outside of the infected bacteria.
Tags
NGSS.HS-LS3-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who conducted the X-ray diffraction studies that were key to the discovery of the structure of DNA?
Chargaff
Griffith
Messelson
Franklin
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In his transformation experiments, what did Griffith observe?
infecting mice with nonpathogenic strains of bacteria makes them resistant to pathogenic strains.
Mutant mice were resistant to bacterial infections
Mixing a heat-killed non pathogenic strain of bacteria with a living pathogenic strain makes the pathogenic strain nonpathogenic.
Mixing a heat-killed pathogenic strain of bacteria with a living nonpathogenic strain can convert some of the living cells into the pathogenic form
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is transformation in bacteria most accurately described?
the infection of cells by a phage DNA molecule
the type of semiconservative replication shown by DNA
the creation of a strand of RNA from a DNA molecule
assimilation of external DNA into a cell
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In trying to determine whether DNA or protein is the genetic material, Hershey and Chase made use of which of the following facts?
DNA contains purines, whereas protein includes pyrimidines.
DNA contains phosphorus, whereas protein does not.
DNA contains nitrogen, whereas protein does not.
DNA contains sulfur where as protein does not Frederick
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In DNA from any species, the amount of adenine equals the amount of thymine, and the amount of guanine equals the
amount of cytosine. Which of the following investigators was (were) responsible for this discovery?
Fredrick
Matthew
Oswald
Erwin
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