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Vanyuwa [196]
3 years ago
11

What two pigments together create the color in golden-brown algae?

Biology
2 answers:
Svetllana [295]3 years ago
6 0
ANSWER: C). Chlorophyll and carotenoids
yan [13]3 years ago
5 0

Answer:

chlorophyll and carotenoids

Explanation:

The third one

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Explain how a crime lab could use paper chromatography to determine if lipstick found at a crime scene matched the lipstick of a
FromTheMoon [43]

Explanation:

The lipstick from the crime would be crushed and dissolved in an appropriate liquid solvent. The lipstick would then be placed in one of the ink spots on the starting / base line of the paper. Another spot would be created for the lipstick with which it is being compared with.

The paper chromatogram would then be placed vertically on a solvent that acts as the mobile phase. After some time, when the solvent reaches the solvent front  of the paper chromatography, by capillary action, the chromatogram can be removed and left to dry.

Bands will have appeared on the chromatography paper formed from the different components of the lipstick. The bands of the lipstick from the crime scene and that with which it is being compared to are observed. If the bands are all aligned, horizontally, then this means it is a complete match. The lipstick must have been the same used at the crime scene.

Learn More:

For more on paper chromatography check out;

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3 years ago
The ozone layer protects life on Earth by absorbing harmful ultraviolet radiation. The ozone layer is located between 17 kilomet
Zolol [24]
The correct answer is (2) - Stratosphere. Ozone is found in the stratosphere , a layer beginning between 6 and 10 miles above the earth's surface and extends upward to about 30 mile above the surface of he earth. The ozone that is found in the stratosphere absorbs most of he harmful ultraviolet sunlight and is thus called the "good ozone" Ozone is also found in the lower region of the atmosphere known as the troposphere. But the ozone here strongly reacts with molecules causing toxicity in plants. The ozone is therefore termed as "bad ozone."
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3 years ago
Enzymes are sensitive to pH and temperature. If an enzyme’s environment is too hot, the enzyme cannot
musickatia [10]

Answer: I thought I have answered this question before. Yes emzymes are sensitive to PH and temperature.

Explanation:

if the temperature is above 60 - 70 degree celcius, it looses it's ability to catalyse as such emzymes are kept within the normal body temperature to function effectively. Emzymes are also sensitive to PH changing the pH of its surroundings will also change the shape of the active site of an enzyme and also changing the pH will affect the charges on the amino acid molecules.

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What macromolecule is the most common in the item in the picture?
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Answer:

If that is a picture of DNA, then nucleic acids are the most common macromolecule

Explanation:

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In Ms. Alvarez’ class, a group of students observed and collected data about the properties of a different material. They placed
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B is the correct answer
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