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vladimir1956 [14]
2 years ago
9

Are the prokaryote’s components right?

Biology
1 answer:
BartSMP [9]2 years ago
5 0

Answer:

All Prokaryotic cells have four common components:

Explanation:

Plasma membrane: An outer covering that separates the cell’s interior from its surrounding environment.

Cytoplasm: A jelly-like liquid substance present within the cell in which other cellular components are found

DNA: The genetic material of the cell.

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If the gametes are produced by a female what are they called
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Answer: Gamete.

Explanation: They are also referred to as sex cells. Female gametes are called ova or egg cells, and male gametes are called sperm. Gametes are haploid cells, and each cell carries only one copy of each chromosome. These reproductive cells are produced through a type of cell division called meiosis.

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How does an atom become a positive ion?
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The answer is C

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Photosynthesis is important to living organisms because it is
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PLEASE PLEASE ANSWER FAST PLEASE
Kisachek [45]

Answer:

The most common myths are:

- C0vid2019 vaccines cause autism  

- C0vid2019 vaccines may modify your DNA

- C0vid2019 vaccines are unsafe

Explanation:

The most common myths associated with C0vid2019 vaccines are:  

1- C0vid2019 vaccines may cause autism: In 1998, Andrew Wakefield and colleagues published a controversial study in the Lancet where they suggested that the measles, mumps, and rubella (MMR) vaccine may cause autism in some children. However, it has been showed that this study was based on erroneous statements and therefore this publication was retracted.

2- C0vid2019 vaccine may modify your DNA: it has been suggested that vaccines based on viral vectors (e.g. adenoviruses) and mRNA vaccines may modify the DNA of cells. This statement is false because these technologies cannot alter the DNA sequence. These vaccines are based on the production of an mRNA sequence that is translated into a viral protein (spike protein) which triggers an immune response

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2 years ago
Which part of the cell theory do these results most support:
Vlad1618 [11]
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2><h2>_____________________________________</h2>

\huge\textbf{Cell Theory}

the Cell Theory was give by German scientists, Schleiden and T.Shwan in 1839. It stated that,

  • All organism are composed of one or more cells

  • The cell is the structural and functional unit of life
  • It is a de novo structure, that means it COULD arise from non living thing which was incorrect.

It was corrected by the German pathologist  Rudolf Virchow in 1855. He made a convincing case, corrected and added the third point of the cell theory. It is,

  • Cells can arise only by a division of pre-existing cell. It is <u>NOT</u> a de novo structure.

Cell theory brought a great evolution in the field of biology which established the function of organism is the result of activities and interaction of the cell units.

<h2>_____________________________________</h2>

\huge\textbf{Question:}

  • <u>Flask 1</u>: It is observed that there are no micro-organism, this is because the meat is sealed and no micro-organism could enter through it.
  • <u>Flask 2</u>: It is observed that there are micro-organism present because meat is not sealed but open.
  • <u>Flask 3</u>: As the S tube is used, the micro-organism are not able to reach the meat because of the curvy path

These observations support the  point that<u> cells could arise only by a division of pre-existing alive cells</u> because in Flask 1 when there were no micro-organism present so there was no organisms found so no micro-organism arised, In flask 3 the S tube was used so no micro-organism could reach the meat thus there were no organism there which could divide to reproduce. The flask 2 was open, so the micro organisms reached the meat so they divided which means Cells can only arise by a division of pre-existing cells.

<h2><u>_____________________________________</u></h2><h2>Best Regards,</h2><h2>'Borz'</h2>

3 0
3 years ago
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