1.1.6 Activity Practice Formative (PBS)

How do scientists cut DNA into smaller strands?

• restriction enzymes
• scissors
• ligase
• agarose

Why do you use a new pipette tip on the micropipette every time you get a new sample?

• To avoid contaminating the other samples
• To use as many tools as you can.
• The pipette tips disappear after being used.
• None of these reasons

The computerized database used to store DNA information is: 

• AFIS
• NIBIN
• CODIS
• PDQ

In which of the following is DNA NOT found?

• Red blood cells

• White blood cells

• Preserved organs

• Bones

Which DNA strands move the fastest through the gel when the electricity is turned on?

• The long strands
• The short strands
• The medium strands
• They all move the same

Pattern of DNA fragments obtained by examining a person's unique sequence of DNA base pairs is?

• PCR

• Chromosome

• Electrophoresis

• DNA Profile

What is the charge of DNA?

• positive
• negative
• neutral

Based on these results whose blood was found in the blood stain at the crime scene?

• Bob
• Sue
• John
• Lisa

What represents an RFLP in this image?

• The Blood sample

• The wells the DNA samples loaded in

• Each black band

• The gel on which the samples are run

Tags

NGSS.HS-LS3-2

If base-pairing rules state that Adenine always pairs with Thymine, and Cytosine pairs with Guanine, what would be the complementary strand to ACGGT?

• ACGGT
• TGGCA
• TGCCA
• ACCGT