|
|
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 |
|
|
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The sticky end of the DNA restriction fragment shown here will pair with a DNA restriction fragment with the sticky end _____. (Activity 20B) 
|
| -ACGT |
| -AAAA |
| -ACGU |
| -GTAC |
| -TGCA |
|
|
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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 |
|
|
|
What enzyme forms covalent bonds between restriction fragments? (Activity 20C)
|
| DNA primase |
| DNA helicase |
| single-stranded binding protein |
| DNA polymerase |
| DNA ligase |
|
|
|
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 |
|
|
|
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 |
|
|
|
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 |
|
|
|
In gel electrophoresis DNA molecules migrate from _____ to _____ ends of the gel. (Activity 20D)
|
| acidic ... basic |
| negative ... positive |
| basic ... acidic |
| long ... short |
| positive ... negative |
|
|
|
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) 
|
| 564 |
| 2,027 |
| 2,322 |
| 6,557 |
| 9,416 |
|
|
|
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) 
|
| 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 |
|
|
|
DNA fragment B consists of _____ base pairs. (Activity 20E) 
|
| 564 |
| 1,268 |
| 1,405 |
| 2,027 |
| 2,322 |
|
|
|
DNA fragment A consists of _____ base pairs. (Activity 20E) 
|
| 564 |
| 1,268 |
| 1,405 |
| 2,027 |
| 2,322 |
|
|
|
Which of these genes are located on the q arm of chromosome 17? (Activity 20F) 
|
| gastrin and GH1 |
| MPO and GLUT4 |
| BLMH and RP13 |
| RP13 and GLUT4 |
| TP53 and KRTHA1 |
|
|
|
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 |
|
|
|
The gene that codes for gastrin is located on the _____ of chromosome 17. (Activity 20F) 
|
| q2 |
| q arm |
| p2 |
| p arm |
| centromere |
|
|
|
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 |
|
|
|
Which of these genes codes for a protein that plays a role in growth? (Activity 20F)
|
| gastrin |
| DCP1 |
| SCLC6A4 |
| KRTHA1 |
| GH1 |
|
|
|
Which of these genes codes for a protein that plays a role in white blood cell function? (Activity 20F)
|
| DCP1 |
| KRTHA1 |
| MPO |
| GLUT4 |
| RP13 |
|
|
|
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) 
|
| A |
| B |
| C |
| D |
| E |
|
|
|
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) 
|
| A |
| B |
| C |
| D |
| E |
|
|
|
Why is Suspect 1 considered more likely to have committed the crime than Suspect 2? (Activity 20G) 
|
| 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. |
|
|
|
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. |
|
|
|
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 |
|
|
|
Which of these is a vitamin A precursor? (Activity 20H)
|
| cobalamin |
| pyridoxine |
| plasmid |
| beta-carotene |
| thiamin |
|
|
|
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 |
