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rusak2 [61]
3 years ago
6

Similarities and differences between prokaryotes and eukaryotes

Biology
1 answer:
Elodia [21]3 years ago
5 0
Eukaryotes are like animal and plant cells with a nucleus and all organelles, prokaryotes are like bacteria and half free floating dna in its cytoplasm
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What is the chemical reaction used to study enzyme activity in the lab (lactase breaking down lactose into its monomers). Know t
Bas_tet [7]

Answer: The chemical reaction in this example is Called hydrolysis in the presence of Lactase

Here is a word equation for the hydrolysis of lactose:

lactose + water → galactose + glucose

Explanation: The equation is called <hydro> + <lysis) of these terms refer to water and splitting respectively. So hydrolysis means splitting with water. Enzymes pull out a monomer by examining where the monomers are connected, and placing a water molecule in between them, resulting in the breakage of the bond between the monomers. Here are two picture to represent it.

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3 years ago
Discuss how a coal seam might be used as a key bed.
Sever21 [200]
Coal seams are far deep underground to be considered for opencast minings. These coal seams require underground mining. Since it is too deep underground, it can be used for mapping and correlation of sedimentary rocks or as a key bed. 
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3 years ago
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Compared to a cell with few aquaporins in its membrane, a cell containing many aquaporins will A. have a faster rate of osmosis
Aloiza [94]

The correct option is A: have a faster rate of osmosis

A cell containing many aquaporins will have a faster rate of osmosis.

Aquaporins are micro water channels within the membrane that allow for the exchange of water and other neutral molecules over the biological membranes of other organisms.

Due to the presence of Aquaporins in plants, they have a high diversity of regulation properties, localizations, and transport selectivity.

The rate of osmosis increases as the aquaporins facilitate the transfer of water at a faster rate.

If you need to learn more about osmosis click here:

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7 0
1 year ago
A group of scientists are observing a new found cell. They want to classify it as either a prokaryotic cell or a eukaryotic cell
valkas [14]
  • The question can be solved by using the difference between eukaryotic and prokaryotic cell.
  • Prokaryotic cell does not have a well defined nucleus. The nuclear material lies naked in the cytoplasm. It is known as nucleoid. While, eukaryotic cell has a well defined nucleus with a nuclear membrane.
  • Prokaryotic cell has a single chromosome while eukaryotic cell has more than one chromosome.
  • Finally, prokaryotic cell do not have membrane-bound cell organelles while eukaryotic cell have membrane-bound cell organelles.

Hope you could get an idea from here.

Doubt clarification - use comment section.

5 0
2 years ago
because you may come in contact with organisms you cannot see (microbes), what safety procedure must be followed?
Elan Coil [88]

Hello there!

Usually, the procedures you should follow is using hand sanitizer or just washing your hands. That can help remove some microbes, but it is inevitable to not get any germs on you

^Hope it helps

4 0
3 years ago
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