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1 Honors Biology Honors (Chapter 12) Quiz on Study Guide, created by Stefania Schoen on 05/02/2017.
Stefania Schoen
Quiz by Stefania Schoen, updated more than 1 year ago
Stefania Schoen
Created by Stefania Schoen almost 8 years ago
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Resource summary

Question 1

Question
By observing bacterial transformation, Avery and other scientists discovered that the nucleic acid DNA stores and transmits genetic information from one generation of bacteria to the next.
Answer
  • True
  • False

Question 2

Question
Hershey and Chase's experiment with bacteriophages confirmed Avery's results, convincing many scientists that DNA was the genetic material found in genes-not just in viruses and bacteria, but in all living cells.
Answer
  • True
  • False

Question 3

Question
The DNA that makes up genes must be capable of storing, copying, and transforming the genetic information in a cell.
Answer
  • True
  • False

Question 4

Question
DNA is a nucleic acid made up of amino acids joined into long strands or chains by covalent bonds
Answer
  • True
  • False

Question 5

Question
The clues in Franklin's X-ray pattern enabled Watson and Crick to build a model that explained the specific structure and properties of DNA.
Answer
  • True
  • False

Question 6

Question
The double-helix model explains Chargaff's rule of base pairing and how the two strands of DNA are held together.
Answer
  • True
  • False

Question 7

Question
DNA poly merase is an enzyme that joins individual nucleotides to produce a new strand of DNA.
Answer
  • True
  • False

Question 8

Question
Replication in most prokaryotic cells starts from a single point and proceeds in two directions until the entire chromosome is copied.
Answer
  • True
  • False

Question 9

Question
In prokaryotic cells, replication may begin at dozens or even hundreds of places on the DNA molecule, proceeding in both directions until each chromosome is completely copied.
Answer
  • True
  • False

Question 10

Question
The process by which one strain of bacterium is changed into another strain is called
Answer
  • transcription
  • transformation
  • duplication
  • replication

Question 11

Question
Bacteriophages are
Answer
  • a form of bacteria.
  • enzymes.
  • coils of DNA.
  • viruses.

Question 12

Question
Which of the following researchers used radioactive markers in experiments to show that DNA was the genetic material in cells?
Answer
  • Frederick Griffith
  • Oswald Avery
  • Alfred Hershey and Martha Chase
  • James Watson and Francis Crick

Question 13

Question
Before DNA could definitively be shown to be the genetic material in cells, scientists had to show that it could
Answer
  • tolerate high temperatures.
  • carry and make copies of information.
  • be modified in response to environmental conditions.
  • be broken down into small subunits.

Question 14

Question
A nucleotide does NOT contain
Answer
  • a 5-carbon sugar.
  • an amino acid.
  • a nitrogen base.
  • a phosphate group.

Question 15

Question
According to Chargaff's rule of base pairing, which of the following is true about DNA?
Answer
  • A=T and C=G
  • A-C and T=G
  • A=G and T=C
  • A=T=C=G

Question 16

Question
The bonds that hold the two strands of DNA together come from
Answer
  • the attraction of phosphate groups for each other.
  • strong bonds between nitrogenous bases and the sugar-phosphate backbone.
  • weak hydrogen bonds between nitrogenous bases.
  • carbon-to-barbon bonds in the sugar portion of the nucleotides.

Question 17

Question
In Prokaryotes, DNA molecules are located in the
Answer
  • nucleus.
  • ribosomes.
  • cytoplasm.
  • histones.

Question 18

Question
In eukaryotes, nearly all the DNA is found in the
Answer
  • nucleus.
  • ribosomes.
  • cytoplasm.
  • histones.

Question 19

Question
The main enzyme involved in linking individual nucleotides into DNA molecules is
Answer
  • DNA protease.
  • ribose.
  • carbohydrase.
  • DNA polymerase.

Question 20

Question
During replication, which sequence of nucleotides would bond with the DNA sequence TATGA?
Answer
  • TATGA
  • ATACT
  • CACTA
  • AGTAT

Question 21

Question
The scientist(s) responsible for the discovery of bacterial transformation is (are)
Answer
  • Watson and Crick.
  • Griffith.
  • Avery.
  • Franklin.

Question 22

Question
Which of the following does NOT describe the structure of DNA?
Answer
  • double helix
  • nucleotide polymer
  • contains adenine-quanine pairs
  • sugar-phosphate backbone

Question 23

Question
What did Hershey and Chase's work show?
Answer
  • Genes are probably made of DNA
  • Genes are probably made of protein.
  • Viruses contain DNA but not protein.
  • Bacteria contain DNA but not protein.
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