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Sloan [31]
3 years ago
12

Identify three structures which provide support and protection in a eukaryotic cell.

Biology
2 answers:
solniwko [45]3 years ago
8 0
The endoplasmic reticulum provides structure to the whole cell, or support, you could say.
The cell membrane protects the whole inside of the cell, and is the structure.
The cytoplasm provides support by holding everything up and it provides protection by surrounding all of the elements.

(I think)

I hope this helped
Mandarinka [93]3 years ago
7 0

Answer:

Cell Wall, Plasma Membrane and Peroxisomes.

Explanation:

  1. In the case of plant eukaryotic cells, a cell wall formed by cellulose is the main structure responsible for provinding resistance and protection to cells, especially against dehydration.
  2. All eukaryotic cells also have a semipermeable plasma membrane composed of a double layer of phospholipids, with the function of controlling the entry and exit of molecules, protecting the internal content of the cell.
  3. Peroxisomes are cellular organelles responsible for producing the catalase enzyme, which transforms toxic oxygenated water molecules that are toxic to cells into non-toxic water and oxygen molecules. In other words, it protects cells against intoxication by byproducts resulting from cellular metabolism.

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Describe why biodiversity increased with the introduction of sea otters in California over the last fifty years
Naya [18.7K]

Answer:

Due to increment in food chains.

Explanation:

Biodiversity is actually the measure of changes in the ecosystem, genetic levels and various species levels. The sea otters introduced in California over last fifty years, increased the diversity in the ecosystem as well as in species too, thus changing the biodiversity. This was the impact of increase in food web in that particular area, the number of consumers, producers and prey increased thus increasing the biodiversity.

7 0
3 years ago
100 Points plz help!!!
Andru [333]

Yeah the answer above me makes sense...

5 0
3 years ago
Who discovered the monomers of nucleic acids? Phoebus Levene James Watson, Francis Crick, and Rosalind Franklin Friedrich Miesch
Vlad1618 [11]

Answer:

Phoebus Levene( 1896, Sagor Russia - Septemeber 1940, New York)

Explanation:

These were developed by Phoebus Aaron Theodor Levene ,he was a russian who studied medicine, with keen interest in organic chemistry.

He migrated to the US in 1891, and started practising medicine  in 1892.Due to his strong interest in research he combined research(1894) in  molecular structure of sugars with medical practice,But this was cut short when he contracted tuberculosis.

Between 1896- 1906,he collaborated with many nucleic acids  and protein exoperts  e.g Albrecht Kossel and Emil Fischer to  wok on the structure of DNA.And headed the Rockefeller Institute for Medical Research.

He works included :the isolation of  Nucleotide-monomers of DNA

:the isolation of D-ribose sugar from ribonucleic acid molecule.(RNA)

Discovery of 2-deoxyribonucleic ,

How the components of Nucleotide(phosphate group,sugars, and organic bases) combined to form nucleotide, and how the latter undergo condensation reaction to form DNA.

8 0
3 years ago
Read 2 more answers
What is meant when we say that organisms evolve?
andreyandreev [35.5K]

Answer:

Biological evolution refers to the cumulative changes that occur in a population over time. These changes are produced at the genetic level as organisms' genes mutate and/or recombine in different ways during reproduction and are passed on to future generations.

Explanation:

6 0
3 years ago
Organisms are classified based on the way they obtain blank
Viktor [21]
Energy
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consumers get energy from other living things


4 0
3 years ago
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