ATP

Question 1

gravitropism and phototropism

tropic responses

Answer 1

gravitropism - positive response: roots grow towards gravity and negative: shoots away

phototropism - positive: shoots towards light and negative: roots away from light

Question 2

independent variable

what axis

Answer 2

changed or contolled in a experiment to test…

X axis

Question 3

dependent variable

what axis

Answer 3

is being tested and measured in a experiment

Y axis

Question 4

controlled varriable

Answer 4

kept constant

Question 5

EXPERIMENTAL ERRORS

Answer 5

Parralax error
residual volume of liquid in the cointainer
no experimental repeats
any possible controlled variable that wasn’t well controlled

Question 6

magnification formula

Answer 6

I

A. M

Question 7

TEST FOR STARCH

Answer 7

iodine solution

orange to blue

Question 8

TEST FOR LIPIDS

Answer 8

ethanol

cloudy emulsion

Question 9

test for glucose/reducing sugars

Answer 9

benedict’s solution

blue to orange

Question 10

test for protein

Answer 10

biuret solution

blue to violet