Lab Practical Flashcards
1
Q
Independent variable
A
variable that is the experimental condition
2
Q
dependent variable
A
variable that is being measured
3
Q
g —- > mg
A
1g = 1000mg
4
Q
mL —- microliter
A
1mL = 1000microliters
5
Q
fast plants (dom, recessive)
A
- dominant: Purple stem, green leaf
- recessive: Green stem, green-yellow leaves
6
Q
Anthocyanins
A
pigments that cause purple stem
7
Q
Expected dist of fast plants
A
9:3:3:1 (purple stem and green leaf to green stem and yellow-green leaves)
8
Q
What’s used to measure pH
A
red cabbage (anthocyancins)
9
Q
pH color scale
A
acidity: red
alkalinity: blue/green
neutral: purple
10
Q
white grape juice pH
A
1
11
Q
7up pH
A
4
12
Q
white wine pH
A
3
13
Q
seltzer water pH
A
6.5
14
Q
milk of magnesia (mg(oh)2)
A
10
15
Q
sodium bicarbonate
A
9
16
Q
maalox
A
7
17
Q
pine sol
A
2
18
Q
mouthwash
A
8
