Betacarotene and Chlorophyll A are considered

10 Jun Betacarotene and Chlorophyll A are considered

Question
Question 1 (1 point)

Betacarotene and Chlorophyll A are considered more non-polar in nature because they have less functional groups with oxygen, while xanthophyll and chlorophyll B are considered more polar in nature.

Question 1 options:

True

False

SaveQuestion 2 (1 point)

Why do many deciduous trees turn yellow or orange in the Fall?

Question 2 options:

Carotenoid pigments are synthesized at a higher rate.

Chlorophyll production slows down as termperatures cool down in the Fall.

Chlorophyll production is taken over by the roots.

SaveQuestion 3 (1 point)

What is the osmolaritity fluid used in Experiment 1 Part 2?

Question 3 options:

Sucrose

Starch

Dextrose

Maltose

SaveQuestion 4 (3 points)(3 ARE CORRECT)

Select the statements below that are true regarding Experiment 1:

Question 4 options:

The sucrose solution isolates the chloroplasts when the leaves are crushed.

The colored bands represent different pigments in the leaf.

Chromatography has NOTHING to do with polarity of the chemicals.

The sucrose must be cold because heat can denature or damage the chloroplasts.

SaveQuestion 5 (1 point)

If a plant has a higher amount of chlorophyll compared to other plants, then it must require more light energy to grow than the other plants.

Question 5 options:

True

False

SaveQuestion 6 (5 points)

Match the correct terms to the definitions below:

Question 6 options:

1

2

3

4

5

Structures that link grana together.

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2

3

4

5

Fluid within the the chloroplast similar to cytoplasm. This fluid is required for the Calvin Cycle.

1

2

3

4

5

Also called the Calvin Cycle; Reduces carbon dioxide to glucose.

1

2

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4

5

Reactions that require light to take place. This type of reaction uses chlorophyll and other pigments.

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5

Small disk-shaped structures inside the chloroplast that contain chlorophyll.

1.

Thylakoids

2.

Stroma

3.

Lamaella

4.

Light-dependent reaction

5.

Light-independent reaction