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BIO 101 > Midterm > Flashcards

Midterm Flashcards

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1
Q

Which of the following things should you do upon entering the Biology lab room? Select all that apply.

A

-Put all of your belongings except lab-specific documents in the cubbies at the front of the room.
-Spit out your gum

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2
Q

What should you do to clean your lab bench once you’re finished a lab in which microbes were used?

A

Wipe down your lab bench with ‘Neutral Q’ antiseptic spray and paper towels

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3
Q

If microbes are used in the lab, what should you use to clean the lab keyboards / mice?

A

Clorox/Lysol wet-wipes

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4
Q

You let you instructor know that you accidentally broke a glass test tube filled with live E.coli bacteria. Now what should you do?

A

Spray the shards of glass with a lot of Neutral Q, let it set for 10 minutes to kill all the bacteria, and then with gloved hands, carefully transfer the broken glass and any contaminated paper towels to biohazard bags

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5
Q

You splash methylene blue dye in your face and eyes. What should you do?

A

Use an eye wash sprayer to wash out your eyes

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6
Q

You are in the middle of a lab when one of your eyes or contact lenses begins bothering you. What should you do?

A

Wash your hands, then go to the restroom to address the problem

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7
Q

You have long hair. How should you wear your hair in the lab?

A

Tied back securely such that your hair will not dangle into your work space – this is particularly important when working with open flames, chemicals, or biohazards

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8
Q

Which shoes are appropriate for lab? Select all that apply.

A

sneakers

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9
Q

Where can you find information about how to dispose properly of lab materials? Select all that apply.

A

-Your written lab handout/instructions
-Your lab instructor
-A lab manager, if they are available

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10
Q

What is the very last thing you should do as you leave lab?

A

Wash your hands

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11
Q

What is the correct way to write the scientific name of humans?

A

Homo sapiens

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12
Q

Put the following taxonomic groupings in order from most inclusive to most exclusive (general to specific).

A
  1. Domain
  2. Kingdom
  3. Phylum
  4. Class
  5. Order
  6. Family
  7. Genus
  8. Species
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13
Q

What is a mnemonic device to keep taxonmic groupings together.

A

Dear King Philip Came Over For Good Soup

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14
Q

The term that refers to many different species found within a community

A

biodiversity

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15
Q

Prokaryotic means what?

A

A general term that describes single-celled organisms.

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16
Q

Eukaryotic means what?

A

A general term that describes organisms with cells that contain a nucleus.

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17
Q

Fungi means what?

A

A kingdom entirely made of eukaryotic and mostly multicellular organisms.

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18
Q

Protista means what?

A

A kingdom entirely of eukaryotic and unicellular organisms.

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19
Q

Metric System Mnemonic Device:

A

King Henry Died by Drinking Chocolate Milk

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20
Q

What is a meter/

A

Base unit for measuring length.

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21
Q

What is a liter?

A

Base unit for measuring volume.

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22
Q

What is a gram?

A

Base unit for measuring weight.

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23
Q

What is centi-?

A

Prefix indicating 10^-2 or 0.01 of the base unit.

24
Q

What is milli-?

A

Prefix indicating 10^-3 or 0.001 of base unit.

25
Q

What is micro-?

A

Prefix indicating 10^-6 or 0.000001 of base unit.

26
Q

What is kilo?

A

Prefix indicating 10^3 or 1000 of base unit.

27
Q

What is nano?

A

Prefix indicating 10^-9 of base unit.

28
Q

A measure of molecular motion?

A

Temp

29
Q

1/1000 of a meter

A

millimeter

30
Q

Curvature of water in a container due to surface tension.

A

Meniscus.

31
Q

An apparatus used to measure length.

A

Ruler.

32
Q

Technique used to measure small volumes of liquid.

A

Micropipetting.

33
Q

When using a spectrophotometer to measure concentration of a solution, which of the following absorbance readings would indicate the highest concentration?

A

The higher the absorbance rating the higher concentration.

34
Q

You conduct a Biuret test and your results are purple in color. Which organic compound does the sample contain?

A

Protein

35
Q

RNA is an example of what type of organic compound?

A

Nucleic Acid

36
Q

An enzyme is usually an example of what type of organic compound?

A

Protein

37
Q

The _______ test is used to test for polysaccharides (starches).

A

Iodine

38
Q

The building blocks of proteins are

A

Amino acids

39
Q

The atom always associated with organic compounds is ________.

A

Carbon

40
Q

An example of a fat that would be a liquid at room temperature is __________. You can select more than one answer.

A

Unsaturated fat
Olive Oil

41
Q

Each of the following molecules is a subset of Carbohydrates, select the exception. (monosaccharide, polysaccharide, sugar, enzyme)

A

enzyme

42
Q

The building blocks of nucleic acids are

A

nucleotides

43
Q

You analyze a meat sample that is 87% lean. What percentage would you expect to be fat? (just write the numeral - no % symbol, no decimal).

A

13

44
Q

Why did you clean off your work area with Lysol before AND after you plated the bacteria? Select all correct answers.

A

-To prevent contamination of the bacterial plates
-To prevent the lab benches from being contaminated with the bacteria

45
Q

An antimicrobial is

A
  • a substance that kills bacteria.
  • a substance that inhibits bacterial growth on surfaces.
  • a product that stops bacterial infections
46
Q

In your initial microbe experiment, the independent variable is _________ and the dependent variable is __________.

A

antiseptic product type / zone of inhibition

47
Q

The area around the soaked paper discs in which no bacteria grow is called a

A

zone of inhibition

48
Q

In the antimicrobial experiment, why did we incubate the bacterial plates at 37C specifically?

A

37C is the ideal temperature for optimum bacterial growth

49
Q

Nutient agar provides the bacteria with… (select all correct)

A

-a surface to grow on
-food to eat

50
Q

Select all the characteristics that pertain to E. coli.

A
  • gram-negative bacteria
  • rod shaped
    -some strains are benign, but other strains can cause disease
51
Q

When you placed your plates in the incubator, why did you put them in upside down?

A

To prevent condensation from dripping onto the bacteria culture.

52
Q

If you are observing a specimen using the High Power objective lens, what is the total magnification of the specimen.

A

400x

53
Q

Each of the following is a true of a Dissecting Light Microscope, select the exception.

A

Allows for light to pass through the specimen.

54
Q

Below are the three basic shapes of prokaryotic cells?

A

-Spirillus
-Coccus
-Bacillus

55
Q

Three of the four organelles listed below are found in plant and animal cells. Select the organelle that is only found in plant cells.

A

Chloroplast

56
Q

When returning your microscope to the cabinet, which of the following choices should be completed.

A

-Lower the stage as far as it can go.
- Replace the dust cover over the microscope.
- Place in the cabinet with number facing OUT.

BIO 101 (1 decks)

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