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Nutka1998 [239]
2 years ago
5

Como funciona una celula

Biology
2 answers:
Tomtit [17]2 years ago
6 0

Answer:

how does a cell work

Explanation:

In the eukaryotic cell, the DNA is surrounded by a membrane constituting the nucleus. The cytoplasm is highly varied and rich in different cellular organelles. ... It is a layer composed of proteins and phospholipids whose function is to separate the interior from the exterior of the cell and exchange substances.

Licemer1 [7]2 years ago
4 0

En la célula eucariota el ADN está rodeado por una membrana constituyendo el núcleo. El citoplasma es muy variado y rico en orgánulos celulares diferentes. ... Es una capa compuesta por proteínas y fosfolípidos cuya función es separar el interior del exterior celular e intercambiar sustancias.

Explanation:

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Eok<br> Which biomolecule is the genetic codle for life?
cestrela7 [59]

Answer: nucleic acids

Explanation: Among biomolecules, nucleic acids, namely DNA and RNA, have the unique function of storing an organism's genetic code—the sequence of nucleotides that determines the amino acid sequence of proteins, which are of critical importance to life on Earth.

7 0
3 years ago
Which of the following is true about the functions of rough endoplasmic reticulum (rough ER) and smooth endoplasmic reticulum (s
aalyn [17]
Rough ER - protein synthesis, transport of proteins throughout the cell
Smooth ER - lipid synthesis and cell detoxification
7 0
3 years ago
Some cities hang their traffic
Jlenok [28]

Answer:

The angle and location

Explanation:

There are some who can't perceive the order of red and green together. Having it angled up and down is safer because you know out of common sense that red is on top and green is on the bottom. Having it sideways makes the light elevated on the same level, deceiving the eye better.

7 0
3 years ago
The smallest unit of biological structure that meets the functional requirements of "living" is the ______.
shutvik [7]

Answer;

-Cell

Explanation;

-The cell is the smallest structural and functional unit of living organisms, which can exist on its own. Therefore, it is sometimes called the building block of life. Cells make up the smallest level of a living organism such as human beings and other living things.

-The cellular level of an organism is where the metabolic processes occur that keep the organism alive. That is why the cell is called the fundamental unit of life. Some organisms, such as bacteria or yeast, are unicellular; consisting only of a single cell, while others, for instance, mammalians, are multicellular.


4 0
2 years ago
The cell theory eventually replaced the concept of spontaneous generation as a result of what experimental evidence?
Arisa [49]

<u>Answer:-</u> <em>Option C </em>- evidence that microorganisms cannot grow in boiled broth when new organisms were not allowed to enter.

<u>Explanation:-</u>

  • <em>Theory of spontaneous generation</em> stated that the living organisms can be created from non living matter. However, this theory was disapproved and replaced by the <em>cell theory</em> which stated that all living organisms are created from cells and new cells arise from pre-existing cells.
  • There were several experiments conducted by various scientists to disapprove the theory of spontaneous generation however, the experiment that was most successful to do so was the one conducted by <em>Louis Pasteur</em> in 1859.
  • <em><u>Description of the experiment:-</u></em>

-In his experiment, Pasteur boiled a meat broth in a flask (it was known that boiling the broth kills the micro organisms) and then heated the neck of the flask to bend into a S- shape.

The purpose of the S shaped neck was to allow the air to enter into the flask but not the micro-organisms as the micro organisms will settle by gravity in the neck and not reach into the flask.

<em>observations of the experiment</em> :-

1. Pasteur observed that even though the air entered the flask no micro organisms were growing in the flask.

2. Further,when he tilted the flask so that the broth came in contact with the part of the neck where the air borne microorganisms could have settled he was able to observe microbial growth in the flask.

These observations laid the theory of spontaneous generation to rest and proved that <em>organisms can only grow in the presence of pre-existing cells </em>which in this case were the microorganisms.  

4 0
3 years ago
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