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allochka39001 [22]
4 years ago
5

It is important to remove any big air bubbles from the microtubes prior to incubation. Otherwise, the bubbles could:_______.

Biology
1 answer:
Oksi-84 [34.3K]4 years ago
6 0

Answer:

b. alter rehydration of the media

Explanation:

Working in a laboratory implies to know that the air bubbles generally have important negative effects on an experiment, thus being imperative to eliminate them. The air bubbles interfere with several biological experimental procedures including, among others, medium preparation, membrane blotting, chromatography procedures, agar plate, enzyme reactions, running gels, etc. For example, bubbles prevent the cells from attaching to the medium surface, thereby leading to irregular cell growth.

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Eukaryotic cells. Classify each statement according to whether it occurs in eukaryotic cells, prokaryotic cells, or both.
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<u>Both</u>:

  • The start codon is often AUG

<u>Eukaryotic cell only:</u>

  • The larger subunit of the ribosome is 60s.
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<u>Prokaryotic cell only</u>:

  • The ribosome is 70s
  • Translation occurs in the cytoplasm
  • There are multiple ribosome binding site

Explanation:

  • AUG is the common start codon for both eukaryotic as well prokaryotic cells. In eukaryotic cell, it codes for methionine . While in prokaryotic cell, it codes for formyl methionine.
  • In prokaryotic cell, ribosomes are found in cytoplasm, hence the translation occurs in cytoplasm.
  • Eukaryotic ribosome consists of two subunits; 40s and 60s(larger subunit)
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  • in eukaryotic cell, 40s ribosome initially binds to the cap at the 5' end of mRNA.
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