Labs Flashcards

1
Q

Energy Content of Food is Measured in…

A

calories

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2
Q

Basal Metabolic Rate (BMR)

A

energy needed for body function when sleeping (heart pumping)

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3
Q

What do you need to find BMR?

A

weight, height, age

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4
Q

What happens to your BMR when you age?

A

decreases for both men and women

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5
Q

0.1(energy for physical activity + BMR) =

A

energy you use to digest

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6
Q

BMI Under 18.5

A

underweight

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7
Q

BMI Over 30

A

obese

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8
Q

3,500 Calories =

A

1 pound

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9
Q

Accurate method for estimating ideal body weight is based on…

A

lean body weight

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10
Q

Calculate BMR for woman

A

655 + (….)

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11
Q

Calculate BMR for males

A

66 + (…)

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12
Q

Daily Energy Intake = Daily Energy Required

A

weight is constant

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13
Q

Daily Energy Intake > Daily Energy Required

A

gain weight

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14
Q

Daily Energy Intake < Daily Energy Required

A

lose weight

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15
Q

What Influences the Activity of Enzymes?

A

temperature and PH

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16
Q

Why are Enzymes Influenced By Temp and PH?

A

enzymes work best in a specific range of them both

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17
Q

What Happened to the starch/iodine molecules in dialysis tubing?

A

starch molecules turned black because the iodine infused into the tube

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18
Q

Which is bigger starch or iodine?

A

starch because it didnt infuse out of the tubing

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19
Q

What happened to the glucose molecules in the dialysis tubing?

A

it was able to infused out of the tubing (proven by benedicts test)

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20
Q

Which is bigger starch or glucose?

A

both are the same because they both infused in/out

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21
Q

Osmosis

A

diffusion involving water

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22
Q

Isotonic

A

water is equal in/out of cell, water flows in/out

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23
Q

Hypotonic

A

more water outside cell, water flows into cell

24
Q

Hypertonic

A

less water outside cell, water flows out

25
Q

Active Transport

A

involves expenditure of energy to get molecules across membrane

26
Q

Golgi Apparatus

A

flattened membrane, processes/packages cell products

27
Q

Lysosomes

A

commonly yellow, break down dead cells (has digestive enzymes)

28
Q

Mitochondrion

A

produces ATP, carries out cellular respiration

29
Q

Nuclear Envelope

A

pore like, controls passage in/out nucleus

30
Q

Nucleolus

A

inside nucleus, produces subunits of ribosomes

31
Q

Plasma Membrane

A

outer surface of cell, regulates what comes in/out of cell

32
Q

Rough ER

A

dotted ribosomes, protein synthesis in large amounts

33
Q

Smooth ER

A

without ribosomes, synthesizes lipids

34
Q

Vacules

A

membrane sacs, store transport substances

35
Q

Benedicts Test

A

test for sugar

36
Q

Iodine Test

A

test for starch

37
Q

Biurets Test

A

tests for proteins

38
Q

Silver Nitrate Test

A

test for chloride ions

39
Q

If Benedicts Test Works/Doesn’t

A

stays blue if doesn’t, brick red if it does

40
Q

If Iodine Test Works/Doesn’t

A

turns black if does, stays orange if doesn’t

41
Q

If Biurets Test Works/Doesn’t

A

pink/purple if it does, pale blue if doesn’t

42
Q

If Silver Nitrate Test Works/Doesn’t

A

cloudy white when works, no color change if doesn’t

43
Q

How To Test For Lipids

A

paper spot test, heat paper and whatever doesn’t evaporate has lipids

44
Q

Compound Microscope

A

one large scope

45
Q

Stereomicroscope

A

two large scopes

46
Q

Stereomicroscopes For Looking At

A

penny, Beatle

47
Q

To Determine Magnification Used

A

multiple by 10

48
Q

1 Kilometer KM

A

= 1000 meters

49
Q

0.1 Centimeters

A

= 1 mm

50
Q

1000 MM

A

= 1 meter

51
Q

When Moving Up a Conversion Chart

A

move decimal to the left for each step

52
Q

When Moving Down a Conversion Chart

A

move decimal to the right for each step

53
Q

Density

A

mass / volume

54
Q

3 Units of Tempurature

A

fahrenheit, celsius, kelvin

55
Q

Vernier Caliper Measures

A

diameter of round objects