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Bio LAB Exam 1 > Exam 1 > Flashcards

Exam 1 Flashcards

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Biology 101 flashcards
1
Q

Turbidity is measured using a ___________.

A

Transparency tube

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2
Q

Velocity is measured by using ________

A 
Distance traveled (feet) in seconds = ft/sec 
Or length/time
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3
Q

What are the two macro invertebrates?

A

Riffles and quiet areas

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4
Q

Strong current areas

A

Riffles

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5
Q

Slow to no current

A

Quiet areas

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6
Q

Velocity=

A

Feet/seconds= velocity

50/100= 0.5 ft/sec

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7
Q

Which can hold more DO? Water that is 25C or 20C?

A

20C

Colder water can hold more

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8
Q

Name two abiotic factors that affect amount of DO in water?

A

(1) temperature
(2) water depth
(3) amount of light

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9
Q

T or F. Most organisms will survive in water that has a pH of 7.0.

A

True

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10
Q

Kilo= ?

A

1000 meters

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11
Q

Meter or gram= ___cm

A

100 cm

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12
Q

Centi= ?

A

0.01 meters

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13
Q

Mili= ?

A

0.001 meters

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14
Q

um= ?

A

10^-6
OR
0.0000006

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15
Q

45 mm= _____ cm

A

4.5
Move decimal to right one.
Centi=0.01

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16
Q

4.5 cm=_____ m

A

0.045 m
Move decimal to right one
Mili=0.001 meters

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17
Q

How do you calculate volume?

A

Length X width X depth

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18
Q

Name the temperature of boiling water in F and C. Name the temperature of freezing water in F and C

A

212 F and 100 C

32 F and 0 C

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19
Q

How do you estimate the volume of a solid?

A

Water in the cylinder, drop the solid, measure where water rises

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20
Q

What makes prokaryotes different from eukaryotes?

A

Prokaryotes are smaller
They don’t have a nuclei
No mitochondria or ER
No membrane-bound organelles

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21
Q

What makes prokaryotes similar to eukaryotes?

A

Plasma membrane
Ribosomes
DNA
Cytoplasm

22
Q

Temperature is measured by using a ____________.

A

Thermometer

23
Q

Name 3 examples of prokaryotes

A

bacteria
Nostoc
Oscillatoria

24
Q

Fluid in the cell

A

Cytoplasm

25
Q

Support and protection

A

Cell wall

26
Q

Allows some things to go in and out of cell

A

Cell membrane

27
Q

Storage of genetic info

A

Nucleus

28
Q

Ribosomal formation

A

Nucleolus

29
Q

Photosynthesis

A

Chloroplasts

30
Q

Cellular respiration

A

Mitochondria

31
Q

Protein synthesis

A

Ribosomes
AND
rough ER

32
Q

Lipid synthesis

A

Smooth er

33
Q

Intracellular digestion

A

Lysosomes

34
Q

Genetic info

A

Chromosomes

35
Q

Storage of substances

A

Vacuole

36
Q

Differences between plant and animal cells

A

Plants:
Large central water vacuole
Cell wall
Chloroplasts

Animal:
Centriole

37
Q

Diffusion

A

Higher to lower concentration

38
Q

Osmosis

A

Diffusion of water across semi permeable membrane

39
Q

What osmosis experiments did we do in class?

A

(1) sugar in dialysis tube

(2) salt water on elodea cell

40
Q

What experiments on diffusion did we do in class?

A

(1) iodine into dialysis tube

(2) crystal of potassium

41
Q

What are the three types of tonicity?

A

Isotonic
Hypotonic
Hypertonic

42
Q

Hypertonic

A

Water leaves the cell

43
Q

Hypotonic

A

Water goes into cell

44
Q

Isotonic

A

Same concentration on inside and outside of cell

45
Q

Which swelled more and why? Corn or peas

A

Peas because they had higher protein

46
Q

Lower or higher concentration of sucrose leads to swelling? And why.

A

Lower because it’s easier for water to enter membrane

47
Q

What’s the equation for calculating standard weight gain?

A

Final weight- initial weight

Final weight- initial weight/initial weight

48
Q

What net did we use to college insects in the water?

A

Stream net

49
Q

What net did we use to college insects in the field?

A

Sweep net

50
Q

How many legs are found on insects?

A

6

51
Q

Where is the mirror adjustment knob located?

A

On the side of the base

52
Q

Where is the magnification changing knob?

A

At top near eyepiece/ ocular lens

Bio LAB Exam 1 (1 decks)

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