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castortr0y [4]
3 years ago
13

All nonmetals are very reactive. TRUE FALSE

Biology
1 answer:
Mrrafil [7]3 years ago
3 0
False, only some . Hope this helps !
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Paper chromatography is a technique used to separate molecules based upon their size and solubility in a particular solvent. If
Tanya [424]

Answer:

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

Explanation:

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.

4 0
2 years ago
Please help!!! <br><br> What common items are PCR and restriction enzymes similar to?
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Restriction enzymes can also be used to generate compatible ends on PCR products. In all cases, one or more restriction enzymes are used to digest the DNA resulting in either non-directional or directional insertion into the compatible plasmid. The most common Type II enzymes are those like HhaI (NEB #R0139), HindIII (NEB #R0104), and NotI (NEB #R0189)
6 0
3 years ago
Which parts of the body act as levers
White raven [17]

Answer:

liver arm ,pivot, effort and load

8 0
3 years ago
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Depression in terms of ______ suggests that depressed mood protects the organism by reducing energy expenditure, thereby protect
STALIN [3.7K]

Answer:

Resource conservation

Explanation:

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For a depressed organism to reduce energy consumption in order to save for the future, it is exhibiting resource conservation

6 0
3 years ago
The population of frogs in a pond ecosystem is increasing. The population of flies will most likely do what?
34kurt
Decrease as the more frogs there are the more flies  will be eaten so that means the flies will decrease.Also if the flie population gets low enough the frog population would shrink too to balance it.

6 0
3 years ago
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