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BIO 307 > BIO Lab Exam 1 > Flashcards

BIO Lab Exam 1 Flashcards

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Biology 101 flashcards
1
Q

What does the Biuret reagent test for?

A

Protein

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2
Q

Positive Biuret test color :

A

Purple

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3
Q

What does the Benedict solution test for?

A

Monosaccharides (Simple Sugars)

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4
Q

Positive Benedict test color :

A

(most) Red, Orange, Yellow, Green (least)

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5
Q

What does the Iodine test for?

A

Starch

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6
Q

Positive Iodine test color :

A

Dark Purple / Black

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7
Q

What does the Sudan IV test for?

A

Lipids

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8
Q

Positive Sudan IV test color :

A

Bright Pink or Red Droplets

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9
Q

What does pH represent?

A

The concentration of Hydrogen ions

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10
Q

What color is cabbage water alone?

A

Purple

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11
Q

What color is cabbage water when vinegar is added?

A

Pink (ACIDIC)

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12
Q

What color is cabbage water when distilled water is added?

A

Purple (NEUTRAL)

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13
Q

What color is cabbage water when baking soda is added?

A

Teal (BASIC)

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14
Q

What is the pH range of neutral blood?

A

7.25 - 7.35

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15
Q

Does the rate of diffusion increase or decrease as temperature increases?

A

Increase

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16
Q

What is tonicity?

A

The amount of solute in a solution

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17
Q

What is osmosis?

A

The movement of water through a membrane

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18
Q

What happens to a red blood cell in a hypotonic solution?

A

It will swell/burst.

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19
Q

What happens to a red blood cell in a hypertonic solution?

A

It will shrink/shrivel.

20
Q

What happens to a red blood cell in a isotonic solution?

A

It will stay the same.

21
Q

Which solution would test positive when using the Biuret test?

A

Egg Albumin

22
Q

Which solution would test positive when using the Benedict test?

A

Apple Juice

23
Q

Which solution would test positive when using the Iodine test?

A

10% Starch Solution

24
Q

Which solution would test positive when using the Sudan IV test?

A

Oil

25
Q
  • Bilayer of phospholipids, glycolipids, and glycoproteins
  • Cell boundary and involved in various membrane transport mechanisms
A

Plasma Membrane

26
Q
  • Numerous tiny folds containing microfilaments
  • Allow greater surface area for absorption
A

Microvilli

27
Q
  • Numerous short extensions containing microtubules
  • Move substances such as mucus
A

Cilia

28
Q
  • Long extension of sperm cell containing microtubules
  • Moves sperm
A

Flagellum

29
Q
  • Large structure
  • Center of cellular control
A

Nucleus

30
Q
  • Double membrane boundary of nucleus with pores; continuous with rough ER
  • Passageway between nucleus and cytoplasm
A

Nuclear envelope

31
Q
  • Non-membranous body containing ribosomal RNA and protein
  • Location of ribosomal formation
A

Nucleolus

32
Q
  • Strands of DNA and protein
  • DNA represents genetic control for protein synthesis
A

Chromatin

33
Q
  • Contents between plasma membrane and nucleus containing cytosol fluid and organelles
  • Location of numerous cellular processes
A

Cytoplasm

34
Q
  • Organelles possessing a membranous covering
  • Various functions depending on organelle
A

Membrane-bound organelle

35
Q
  • Extensive membrane network with attached ribosomes
  • Site of of protein synthesis with ribosomes; cellular transport
A

Rough endoplasmic reticulum

36
Q
  • Extensive membrane network lacking ribosomes
  • Site of of lipid synthesis; cellular transport
A

Smooth endoplasmic reticulum

37
Q

White blobs close together with pink in between

A

Adipose tissue

38
Q

Tiny pink dots are red blood cells. Purple dots are nuclei of white blood cells.

A

Blood tissue

39
Q

Dark pink lines, small black speckles. Kiwi

A

Cardiac muscle

40
Q

Looks like wood; owl

A

Compact bone

41
Q

Wavy white and pink

A

Elastic tissue

42
Q

Light purple with purple speckles; purple triangle cell in the middle

A

Nervous tissue

43
Q

Half white, half purple. Wavy edge. Oblong nuclei.

A

Simple columnar

44
Q

White little cubes. Thicker pink outlining. Close together.

A

Simple cuboidal

45
Q

Hot pink, super close together. Purple nuclei. No space in between

A

Simple squamous

46
Q

Bricks / striations

A

Skeletal muscle

47
Q

Bacon; thick pink stripes

A

Smooth muscle

BIO 307 (4 decks)

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