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bazaltina [42]
2 years ago
7

Which describes the basic structure of a fatty acid?

Biology
1 answer:
Alexeev081 [22]2 years ago
5 0
Answer:
            The correct option is <span>a long carbon and hydrogen chain and a carboxyl group.

Reason:
             Fatty acid is basically consists of two main parts:
a hydrocarbon tail connected with carboxylic group as shown in the figure.</span>

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Diatoms contain _______ in their cell walls. This material is used industrially in the production of toothpastes, silver polishe
fgiga [73]

Answer:

silica

Explanation:

Diatoms are microscopic organisms.  they have  shell that is made from organic compounds and silica.Diatoms contain silica in their cell walls. This material is used industrially in the production of toothpastes, silver polishes, and swimming pool filters. Silica is used to remove  stains and debris.

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3 years ago
Which statement describes the independent variable?
Alla [95]
D, the independent variable is what you are changing
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3 years ago
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What is the history of Galápagos Islands? I need help!
vitfil [10]
Hello LonelyPerson, to answer your question.
The Galápagos were officially annexed by Ecuador in February 12 1832 and were named "Archipelago del Ecuador.". It is still today officially a province of Ecuador. Ecuador claimed the <span>Galápagos Islands</span> just three years before their most famous visitor, Charles Darwin, dropped anchor on the Beagle and stepped ashore and into history.

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8 0
3 years ago
A diploid nucleus of Drosophila melanogaster contains about 3.4 x 108 nucleotide pairs. Assume (1) that all nuclear DNA is packa
Olin [163]

Answer:

nucleosomes = 1.65 x 10^6

H2a = 3.3 x 10^6 molecules

H2b = 3.3 x 10^6 molecules

H3 = 3.3 x 10^6 molecules

H4 = 3.3 x 10^6 molecules

Explanation:

It was mentioned in the book Principles of Genetics  By D. Peter Snustad, Michael J. Simmons that in the nucleus of <em>D. melanogaster </em>there will be 1.65 x 10^6 nucleosomes and 3.3 x 10^6 molecules of every type of histone i.e. H2a, H2b, H3, and H4 present in it.

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3 years ago
Which process in an apple tree primarily results from cell division? Pick a choice:
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2 years ago
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