DNA Test Quiz Flashcards

question

live, harmless bacteria and heat-killed, harmful bacteria
answer

Which bacteria killed the mice in Griffith’s transformation experiment?
question

DNA was the transforming factor
answer

What did Avery conclude caused transformation?
question

The harmless bacteria would not of been transformed, and the mice would of lived.
answer

What would of happened if Avery added an enzyme that digested all the nucleic acid to the mixture of the heat-killed bacteria, added the mixture to harmless bacteria and injected the mixture into the mice?
question

there is a chemical that contains genetic information that can be passed from one organism to another
answer

Griffith’s experiments advanced the study of genetics by proving that…
question

bacteria
answer

What do bacteriophages infect?
question

DNA contains phosphorus and no sulfur.
answer

Why did Hershey and Chase label the viral DNA with radioactive phosphorus and not radioactive sulfur?
question

sex cells
answer

In which cells is the accurate transmission of information most important?
question

deoxyribose + phosphate group + cytosine
answer

Which of the following is a nucleotide found in DNA?
question

thymine molecules in DNA is about equal to the percentage of adenine molecules
answer

Because of base pairing in DNA, the percentage of …
question

The bases are both long (big/two rings/purines)
answer

What structural problem prevents adenine from pairing with guanine?
question

Chargaff showed that adenine and thymine were found in equal percentages in DNA, but he did not know this was because of base pairing.
answer

What did Chargaff contribute to the study of DNA?
question

Watson and Crick
answer

Which scientific figured out that the shape of a DNA molecule is a double helix?
question

Chargaff’s ratios of nucleotides-> Franklin makes an X-ray diffraction photo of DNA -> Watson and Crick identify the double helix
answer

What is the chronological order the important discoveries in the structure of DNA?
question

x-ray diffraction photos of the DNA molecule
answer

What did Rosalind Franklin contribute to the effort to identify the structure of DNA?
question

each with one new strand and one original strand
answer

DNA replication results in two DNA molecules,
question

GATCCA
answer

During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases
question

telomerase
answer

What enzyme works to add DNA to ends of chromosomes in rapidly dividing cells such as those found in an embryo, to prevent genes from being lost during replication?
question

2
answer

in both prokaryotes and eukaryotes, how many copies of the chromosome are left after replication
question

before cell division
answer

in both prokaryotes and eukaryotes, DNA replication happens
question

double helix
answer

The Watson and Crick model of DNA is a _______, in which two strands are wound around each other.
question

Hydrogen bonds
answer

__________ are weak bonds that hold the two strands of DNA together, but also allow the DNA to separate and replicate.
question

histones
answer

Chromatin contains proteins called ______.
question

telomeres
answer

The tips of chromosomes are known as ___________.
question

nucleotide
answer

polymer is to monomer as DNA is to ____________.
question

antiparallel
answer

one of the strands in DNA appears to be upside down or running in the opposite direction. this property is called _____________.

Get instant access to
all materials

Become a Member