PBS

The job of restriction enzymes is to ...

• copy the DNA.

• cut the DNA at specific locations.

• remove the DNA.

• organize the DNA.

The process that separates the cut fragments of DNA by their size and compares them is called ____.

• PCR

• digestion

• gel electrophoresis

• restriction enzymes

DNA has a _____ charge.

• positive

• negative

• neutral

• unknown

The larger fragments of DNA will ...

• remain closer to the wells.

• travel towards the + pole of the gel.

• not move at all.

• travel farther than the smaller fragments.

To pick up DNA with a micropipette, you need to ...

• push the round button to the second stop.

• push the green eject tip button.

• push the round button to the first stop.

• All of the others are correct.

Estimate the approximate time of death for the following situation:

A body was found with no evidence of rigor.

• 2 - 6 Hours

• 8 Hours

• Less than 2 Hours

• Less than 1 Hour

The cooling of body temperature after death is:

• algor mortis

• livor mortis

• rigor mortis

• pallor mortis

Tags

NGSS.HS-PS3-4

Of the options given, which are the first to arrive at a corpse?

• Parasitic wasps

• Beetles

• Blowflies

• Flesh flies and house flies

What are the life stages of maggots called?

• Pupations

• Metamorphoses

• Instars

• Generations

In an experiment, the _______ group is the group that serves as the baseline for comparison.

• experimental

• control

• independent

• dependent