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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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What experimental technique or instrumentation was used to determine kinesin step size?
Keith_Richards [23]

Answer:

Optical trapping interferometry

Explanation:

Optical trap is a device which can measure forces or dielectric objects of magnitude of Pico newton or micron.  

In this,  a high focused light beam is used to view objects under the  microscope. It is highly used in molecular and cell biology and biophysics

This methodology has been adapted to sort lipids at cell surface and in activation of kinase in the dendritic cells

7 0
3 years ago
You are determining the mass of an object using a triple beam balance. When the pointer is lined up with the zero mark, the ride
Nadusha1986 [10]
The mass of the object is the sum of the masses which shows the riders:
m = 300.00 g + 20.00 g + 8.00 g
m = 328.00 g
Answer:
The mass of the object is 328.00 grams.
3 0
3 years ago
Choose the type of plate movement shown in the picture
sammy [17]

Answer: plate boundary zones

Explanation:

8 0
3 years ago
The mammalian tail and
cluponka [151]

The mammalian tail and the human coccyx, the leaves of pitcher plants and cacti, are homologous organs while, the flippers of penguins and dolphins, as well as the shells of turtles and crabs are analogous structures.

<h3>What are homologous organs?</h3>

Homologous organs are those that are similar in structure but operate differently. They resulted from divergent evolution.

Divergent evolution occurs when species are closely connected to the same ancestors but develop similar structures that perform different tasks in different environments.

Analogous Organs are organs from various creatures that, despite their appearance, perform the same function.

In the given case, the mammalian tail and coccyx, as well as the leaves of pitcher plants and cacti, are homologous organs, whereas penguin and dolphin flippers, as well as turtle and crab shells, are analogous structures.

Thus, these are the different instances of homologous and analogous organs.

For more details regarding homologous structures, visit:

brainly.com/question/1274613

#SPJ1

5 0
2 years ago
A mutation in a gene in the fruit fly drosophila was found to affect eye color. the protein affected was found to be completely
Sav [38]

<span>The mutation did not affect amino acid sequence or the molecular weight (no evidence of amino acid substitution or protein truncation). Therefore, the mutation is not likely within the coding region of the gene.  Most likely the mutation is in the regulatory region of the gene such as the promoter region. Such mutation would interfere with transcription initiation and hence decreases the amount of mRNA and protein produced. </span>

8 0
3 years ago
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