Biotechnology 9wk exam

What does PPE stand for?

• Personal Pair Equipment

• Powerful Personal Essay

• Personal Protective Equipment

• Purported Positive Encephalitis

Laboratory Notebooks

• Are just for personal use

• Are to write things about your boss in

• Are legal document

• Can be thrown away after you use them

On the safety diamond the Higher the number, the more dangerous it is

• True

• False

Observations are...

• Only for use by one of your senses

• Are only for taking measurements

• using your senses to gather information and taking measurements

• using prior knowlege

Tags

NGSS.2-PS1-1

NGSS.K-PS2-1

What kind ofobservations are there?

• Quantitative and Quantitative

• Only Qualitative

• Inferences

• Only Quantitative

Which of these is not an observation

• there are two desks

• the boy is wearing blue sneakers

• The boy is happy

• The cat weighed 25 pounds

Which statement is an inference

• There are two girls in the room

• The room is dark

• The movie was scary

• The movie was an hour long

There are 2 stops when depressing the micropipette plunger, which stop do you go to when pulling in the measured amount

• first stop (soft stop)

• second stop (hard stop)

• it doesn't matter

• there are no stops on a pipette

The window of a p20 micropipet show the follow, how many micrometers would this be?

0

2

5

• 25

• 250

• 2.5

• 0.25

Which of the following things to remember when using a digital scale?

• Make sure it is on a level surface

• Zero out of scale before adding reagent

• Use a weight boat or weight paper

• All of these are important