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3 years ago

Explain the process of mitosis in a tissue culture for normal cells.

1 answer:

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Cell tissue is taken from a living life form.; Cells separate and replicate in the way of life. ; Cells proceed with mitosis until the point that they are touching, at that point they quit replicating until the point when a cell is dead; Cells repeat one layer thick and after that quit replicating.; Cells experience 20 to 50 mitotic divisions in a tissue culture

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When Charles Darwin considered some of the unique structures found in modern animals, like the feathered wings of birds, he famo

REY [17]

Answer:

Charles Darwin’s study of evolution predicts that genetic evidence would show that all organisms share a common ancestor.

Option: (B)

Explanation:

Through his "theory of evolution", Darwin found that the species exist and new species form based on natural selection.
He studied the animals and birds in Galapagos island for his evolution theory.

The four key points of Darwin's Theory of Evolution:

individuals of any species are not identical;

genes are passed from one 'generation' to another;

more offspring are born than can survive;

only the 'survivors of the competition' for the resources will reproduce.

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3 years ago

Which of the following represents the correct format for the scientific name of an organism? Which of the following represents t

scZoUnD [109]

Answer:

Staphylococcus aureus

Explanation:

According to the rule of binomial nomenclature, the name of the organism is written in two parts that are-

1. Generic name- The first name which signifies the genus of the organism, the word represents the noun of the organism, the first letter of the word is always uppercase that is like in the "Staphylococcus"

2. The specific epithet-the second name of the organism represents the species which is usually a noun, and the first letter of species is always written in lowercase like in the aureus.

The scientific name should be written either in the italicised form or if not possible to write in the italicised form than underline the name.

Thus, Staphylococcus aureus is correct.

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3 years ago

A "mystery molecule" was isolated in a laboratory and scientists found that the molecule readily crossed artificial membranes. W

Arlecino [84]

Answer: D. calcium chloride

Calcium chloride molecules can be ruled out as the mystery molecule

Explanation:

Artificial membranes are also called as the synthetic membranes. It is created synthetically for the special separation purpose in the laboratory. 

It is used to separate large molecules like solid particles and big biological molecules like protein, DNA. 

They are produced from organic materials. Calcium chloride contains the chloride ion and calcium ion, as the chloride ion easily passes the artificial membrane so we can term calcium chloride as the mystery membrane that passes the artificial membrane easily.

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3 years ago

Which ideas did you include in your answer

Wittaler [7]

I think all three ideas should be selected since they were all in the blue box so it seems like it’s included

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3 years ago

How are sex cells different from other cells in the body?

Readme [11.4K]

Sex cells are haploid, therefore it has half the number of chromosomes (23) while other cells have 46

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3 years ago