Activities Quiz
1.

The unpaired nucleotides produced by the action of restriction enzymes are referred to as _____. (Activity 20B)

sticky ends
base sequences
single strands
restriction fragments
ligases


2.

The sticky end of the DNA restriction fragment shown here will pair with a DNA restriction fragment with the sticky end _____. (Activity 20B)

question #2

-ACGT
-AAAA
-ACGU
-GTAC
-TGCA


3.

In order to insert a human gene into a plasmid, both must _____ (Activity 20C)

have identical DNA sequences
originate from the same type of cell
code for the same gene product
be cut by the same restriction enzyme
be the same length


4.

What enzyme forms covalent bonds between restriction fragments? (Activity 20C)

DNA primase
DNA helicase
single-stranded binding protein
DNA polymerase
DNA ligase


5.

Click on the diagram to start the animation.
What name is given to the process shown in this animation? (Activity 20C)

transduction
translation
conjugation
cloning
transformation


6.

Click on the diagram to start the animation.
What name is given to the process shown in this animation? (Activity 20C)

transduction
translation
conjugation
cloning
transformation


7.

Click on the diagram to start the animation. This is an animation of gel electrophoresis. Which of these DNA molecules is the shortest? (Activity 20D)

A
B
C
D
E


8.

In gel electrophoresis DNA molecules migrate from _____ to _____ ends of the gel. (Activity 20D)

acidic ... basic
negative ... positive
basic ... acidic
long ... short
positive ... negative


9.

In this example the marker DNA includes fragments that have 23,130, 9,416, 6,557, 4,361, 2,322, 2,027, and 564 base pairs. Approximately how many base pairs are in the DNA fragment indicated by the letter A? (Activity 20E)

question #

564
2,027
2,322
6,557
9,416


10.

In this example the marker DNA includes fragments that have 23,130, 9,416, 6,557, 4,361, 2,322, 2,027, and 564 base pairs. Approximately how many base pairs are in the DNA fragment indicated by the letter B? (Activity 20E)

question #

between 23,130 and 9,416 base pairs
between 9,416 and 6,557 base pairs
between 6,557 and 4,361 base pairs
between 4,361 and 2,322 base pairs
between 2,322 and 2,027 base pairs


11.

DNA fragment B consists of _____ base pairs. (Activity 20E)

question #

564
1,268
1,405
2,027
2,322


12.

DNA fragment A consists of _____ base pairs. (Activity 20E)

question #

564
1,268
1,405
2,027
2,322


13.

Which of these genes are located on the q arm of chromosome 17? (Activity 20F)

question #

gastrin and GH1
MPO and GLUT4
BLMH and RP13
RP13 and GLUT4
TP53 and KRTHA1


14.

The RP13 gene of chromosome 17 codes for a protein _____. (Activity 20F)

involved in glucose transport
that is a component of hair and nails
in the regulation of blood pressure
involved in eye development
involved in the determination of personality


15.

The gene that codes for gastrin is located on the _____ of chromosome 17. (Activity 20F)

question #

q2
q arm
p2
p arm
centromere


16.

The TP53 gene of chromosome 17 codes for a protein _____. (Activity 20F)

that plays a role in the digestive process
that, in a particular variant, may play a role in Alzheimer's disease
involved in glucose transport
involved in the regulation of the cell cycle
that is like a white blood cell protein


17.

Which of these genes codes for a protein that plays a role in growth? (Activity 20F)

gastrin
DCP1
SCLC6A4
KRTHA1
GH1


18.

Which of these genes codes for a protein that plays a role in white blood cell function? (Activity 20F)

DCP1
KRTHA1
MPO
GLUT4
RP13


19.

This is a DNA fingerprint exhibiting samples from a victim, two suspects, and the crime scene. Which of these DNA fragments is common to both the victim and Suspect 1? (Activity 20G)

question #

A
B
C
D
E


20.

This is a DNA fingerprint exhibiting samples from a victim, two suspects, and the crime scene. Which of these DNA fragments is common to both the victim and Suspect 2? (Activity 20G)

question #

A
B
C
D
E


21.

Why is Suspect 1 considered more likely to have committed the crime than Suspect 2? (Activity 20G)

question #

The crime scene sample contains DNA fragments from both the victim and Suspect 1.
The crime scene sample contains DNA fragments from both the victim and Suspect 2.
Suspect 1 and the victim have more DNA fragments in common that do the victim and Suspect 2.
Suspect 2 and the victim have more DNA fragments in common that do the victim and Suspect 1.
Suspect 1 and Suspect 2 have more DNA fragments in common than either have in common with the victim.


22.

Why is golden rice pale yellow in color? (Activity 20H)

It is rich in chlorophyll a.
It is nutrient-poor.
It is rich in beta-carotene.
It is rich in chlorophyll b.
It is rich in phycobilins.


23.

Which of these is a symptom of vitamin A deficiency? (Activity 20H)

osteoporosis
impaired taste perception
overstimulation of the immune system
blindness
impaired blood clotting


24.

Which of these is a vitamin A precursor? (Activity 20H)

cobalamin
pyridoxine
plasmid
beta-carotene
thiamin


25.

The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria _____. (Activity 20H)

would, if it occurred, be no cause for concern
has occurred
is likely to occur
can never occur
seems unlikely



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