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Snezhnost [94]
3 years ago
12

Diatoms have cell walls composed of _____.

Biology
2 answers:
Stels [109]3 years ago
6 0
Diatoms have cell walls composed of silicon dioxide.

A. silicon dioxide.
Gnesinka [82]3 years ago
6 0

Answer: A. Silicon dioxide

Diatoms are unicellular algae that are found in the freshwater, brackish and marine water. These organisms exhibit cell wall that are made up of silica that is hydrated silicon dioxide. This type of cell wall is called as frustule. The cell wall is divided into two valves called as thecae.

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What characteristics make a particular molecule organic? select the two answers that are correct.
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<h3>What are organic molecules?</h3>

Organic molecules generally have carbon, oxygen and hydrogen bonds. Organic chemistry is a branch of chemistry that deals with organic chemistry.

Organic molecules are compounds with complicated structures. Carbohydrates, lipids and proteins are some kind of organic molecules.  Organic molecules are generally larger than inorganic molecules.

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