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const2013 [10]
3 years ago
10

A scientist looks under a microscope and sees two cells in the process of dividing. Which principle of cell theory would this ev

idence support?
Biology
1 answer:
sveticcg [70]3 years ago
4 0

Answer:

All cells arise from pre existing cells.

Explanation:

one of the principles on the cell theory states that all cells came from pre existing cells . The two cells are parent cells who are big enough to undergo mitosis. The 4 cells made out of this event are daughter cells .

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Describe the function of each of the following in protein synthesis; rRNA, mRNA, and tRNA
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List all of the molecules in the process of translation
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Explanation:

Translation is catalyzed by a large enzyme called a ribosome, which contains proteins and ribosomal RNA (rRNA). Translation also involves specific RNA molecules called transfer RNA (t-RNA) which can bind to three basepair codons on a messenger RNA (mRNA) and also carry the appropriate amino acid encoded by the codon.

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In the figure showing gene expression , what should replace label b ?
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The correct answer is C. Translation.

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Thus in given figure label A is to be replaced by transcription and label B is to replace by translation.

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3 years ago
The catalytic efficiency of many enzymes depends on pH. Chymotrypsin shows a maximum value of kcat/KM at pH 8. Detailed analysis
kherson [118]

Answer:

The catalytic efficiency of the enzyme depends on several factors that can affect the activity of the enzymes. This factors include Temperature, pH, concentration of the substrate, concentration of enzyme and the presence of activators and inhibitors.

Explanation:

The catalytic efficiency of the enzyme depends on several factors that can affect the activity of the enzymes. This factors include Temperature, pH, concentration of the substrate, concentration of enzyme and the presence of activators and inhibitors.

For instance, the pH is an essential factor that has to be maintained properly for the appropriate catalysis by an enzyme. The most favorable pH of most of enzymes present from 6 to 8.

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