Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BIO LAB > Lab Quiz 1 > Flashcards

Lab Quiz 1 Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is prohibited in the lab?

A

No food/drink, no cell phone use, no belongings at lab table

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When do you turn in worksheets from the lab?

A

At the next lab session

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

When are quizzes given?

A

The week after the lab

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are quizzes on?

A

The previous weeks lab and the current lab

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Are all quizzes counted?

A

Lowest quiz grade is dropped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What questions on quizzes are from previous labs?

A

1-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What questions are on the current lab?

A

5-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the attendance policy for labs?

A

Attendance is mandatory for all labs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What do you do if you miss a lab?

A

You must make-up the lab in another session during that SAME week

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the honor policy regarding labs?

A

Be honest and truthful, turn in your own work/answer questions in your own words

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the general expectations for labs?

A

Be on time and don’t leave early, be prepared for the lab, have your supplies, complete assignments on time, keep lab table neat/clean, keep belongings in cubbies, be respectful

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How can you earn + TA points?

A

Help set up lab, help clean up lab, help during lab, go to office hours, give in depth quiz answers, give good answers during the lecture portion of lab

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

How can you earn - TA points?

A

Not bringing supplies, not being properly dressed, late/leaving early, using cell phones, not paying attention, not cleaning up, being disrespectful, giving no effort, improper disposal of waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

W/ each tube the substance became more and more diluted

A

Serial dilution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The unknown variable

A

Dependent variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The known variable

A

Independent variable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

In lab 1 the dependent variable was

A

The absorption of visible light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The lab 1 the independent variable was

A

The concentration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What are glass/plastics are used for?

A

Storing stock solution, don’t ever use solution directly from glassware move to smaller container

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is án aliquot?

A

A small amount of stock solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What are graduated cylinders used for?

A

Measuring large volumes of liquid; if accuracy is critical use the smallest cylinder possible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is an Erlenmeyer flask used for?

A

To mix solutions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is a beaker used for?

A

Preparing solutions; not used for storing; do not use for precise measurements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What are test tubes used for?

A

Used to prepare reaction mixtures and for short term storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What is the sharps box?

A

Where broken glass or disposable glassware and pipettes are discarded

26
Q

What is the needle box?

A

Where razor blades/needles are discarded

27
Q

What is a vortex mixer used for?

A

To mix solutions in test tubes

28
Q

What is a micro centrifuge used for?

A

To spin solutions at high speeds that generate up to 15,000 Gs of force

29
Q

What are water baths used for?

A

Filled with distilled water and are used to incubate reaction mixtures at precise temperatures

30
Q

What is a digital balance used for?

A

Used to weigh materials between 0.01 and 400 grams

31
Q

What are pipettes?

A

They are calibrated in millimeters, tenths, or hundredths and are used to measure and transfer small amounts of liquids

32
Q

Micropipettors are used for what?

A

Taking up small amounts of a substance and transferring it

33
Q

What are the 3 kinds of micro-pipettors?

A

P-20, p-200, p-1000

34
Q

Mu l stands for what?

A

Microliter

35
Q

Micro-pipettors measure in what?

A

Microliters

36
Q

P-20 and P-200 use what tips?

A

The smaller yellow tips

37
Q

P-1000 used what kind of tip?

A

The larger blue tips

38
Q

P-20 is used for volumes in what range?

A

1-20 microliters

39
Q

P-200 is used for what range of volumes?

A

20-200 microliters

40
Q

P-1000 is used for what range of volumes?

A

200-1000microliters

41
Q

How do you read the dial on a micropipette?

A

The three boxes go in descending order
P-20: tens, ones, tenths
P-200: hundreds, tens, ones
P-1000: thiusands, hundreds tens

42
Q

Vo Cf
—- = —-
Vf Co

This equation is used for what?

A

To determine how much stock is needed to prepare a solution if a certain volume and concentration

43
Q

What does Vo stand for?

A

Original volume

44
Q

What does Vf stand for?

A

Final volume

45
Q

What does Co stand for?

A

Original concentration

46
Q

What does Cf stand for?

A

Final concentration

47
Q

How much flavin was used in lab 1?

A

720 microliters

48
Q

How much phosphate buffer was used?

A

3 ml

49
Q

How do you change a volume that is in millimeters to microliters?

A

Move the decimal to the right 3 places

50
Q

What does a spectrometer do?

A

Measures only colored substances; measures how much light is absorbed, transmitted, and reflected

51
Q

What is transmittance?

A

The percent of light that passed through a substance

52
Q

What is the transmittance formula?

A

T = Io
—-
I
Where Io is the incident light

53
Q

How are absorbance and concentration related?

A

They are directly proportional

54
Q

What is variation?

A

Differences among species, individuals within each species, and it occurs at all levels of biological organization

55
Q

What is statistical analysis?

A

Applied mathematics used to test a hypothesis

56
Q

What phylum are pill and sow bugs from?

A

Arthropoda

57
Q

What are pill and sow bugs classified as?

A

Crustacea

58
Q

Describe Arthropoda?

A

Hard exoskeleton, jointed legs, she’d in order to grow

59
Q

Lives on land

A

Terrestrial

60
Q

What is the purpose of lab 2?

A

See if pull and sows bugs can be differentiated by their differing reactions to light

Learn how to use excel on a computer

61
Q

How can you tell pill and sow bugs apart?

A

Pill bugs roll into balls when threatened

62
Q

What is the appropriate clothes to wear to lab?

A

Long pants, closed toe shoes, hair in ponytail

BIO LAB (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions