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ss7ja [257]
3 years ago
13

HELP PLEASE

Biology
1 answer:
Ostrovityanka [42]3 years ago
4 0
1. Mattias Schleiden
2. Robert Hooke
3. Microscope
4. Cell membrane
5. Nucleus
6. Nuclei
7. Nuclear membrane
8. Endoplasmic Reticulum
9. Ribosomes
10. Endoplasmic Reticulum
11. Lysosome
12. Vacuole
13. The Cell Wall- provides the plant structure
Chloroplasts- preform photosynthesis
Larger Vacuole- holds excess water for the plant to use later
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properties of baking soda property observed observation color white texture fine crystals odor none mixed with water dissolves m
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The right option is d) bubbles

The production of bubbles when baking soda mixes with an acid such as vinegar is the observation that indicated a chemical property of the baking soda.

Baking soda (also known as sodium bicarbonate) is a nonflammable, white crystalline powder. Baking soda is odorless, and alkaline. Baking soda reacts with vinegar (acetic acid) to produce carbon dioxide (a gas), water, sodium ion and acetate ion. Baking soda is used for many purposes such as; as an antacid for treating indigestion, for baking, in fire extinguishers, as a water softener, as a pesticide, and to remove dirts from materials.


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Answer:

a. Paper chromatography would separate the pigments into several bands that appear green or yellow/orange.

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The primary or main pigment in plants is the chlorophyll. The chlorophyll gives plants their characteristics green colour and helps in the absorption of light during photosynthesis.

Other pigments in plants include carotenoid with its characteristic yellow, red or orange colour; anthocyanin with its re/blue colour and betalains with its red/yellow colour.

<em>Hence, if pigments from a particular species of plant are extracted and subjected to paper chromatography, one would expect the pigments to be separated into several colour bands ranging from green to yellow/orange.</em>

The correct option is a.

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