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Flauer [41]
2 years ago
12

Honestly thank you dude

Biology
1 answer:
leonid [27]2 years ago
4 0

Answer: what do you mean?

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Describe how the lac operon functions, and explain how it permits E. coli to produce the enzymes needed to break down lactose wh
KiRa [710]
<span>The lac operon has three genes that encode for proteins that break down lactose into galactose and glucose. When there is no lactose around, it wouldn't make sense for the prokaryote to make these proteins as it would be a waste of energy. So, when there is no lasctose around, the lac repressor binds the operator region of the operon, which inhibits RNA polymerase's ability to bind and start gene expression. However, when lactose is available, it binds to the lac repressor and deactivates it via allosteric inhibition. Once the lac repressor is gone, the genes can be transcribed into mRNA which can be translated into proteins which can go and break down the lactose. </span>
5 0
4 years ago
The consumer price index used to​
Flauer [41]

Answer:

measure average changes in price over time that consumers pay for goods and services.

5 0
3 years ago
Your hypothesis should be based on_____________?
Neporo4naja [7]

Answer:

Your hypothesis should be based on an educated guess using prior knowledge and observation.

8 0
4 years ago
How does the structure of a plasmodesma differ from that of a gap junction?
mrs_skeptik [129]

Answer:

Gap junction is a connecting channel in animal cell while plasmodesmata  is connecting channel in plant cell.

Explanation:

Both Gap junction and plasmodesmata are form of connecting channel found in cell but Gap junction is found in animal cells while plasmodesmata is found in plant cell.

The structure of gap junction comprises of hemicahnnes (connexons). These hemichannels are made up of endoplasmic reticulum of cells that are later relocated by the Golgi apparatus to the cell membrane thereby forming transmembrane proteins named connexins. While Plasmodesmata are cylindrical in shape and  lined with plasma membrane. There are narrow tubes known as desmotubules which are made up of smooth endoplasmic reticulum

There are three types of gap junction while there are several forms of plasmodesmata

7 0
3 years ago
A graduate student finds an organism in a pond and thinks it is a freshwater sponge. A professor thinks it looks more like an aq
grandymaker [24]

Answer:

By the structure of their cell wall

Explanation:

Fungus cell contain cell wall with a chitin in it. That differs them from animal cell that doesn't have cell wall, but also differs them from plant cell wall which contains cellulose.

Fungus is a eukaryotic kingdom which contains microorganisms such as  yeasts and molds, but also macroscopic forms such as mushrooms.

Fungus are heterotrophic organisms, often decomposers with high  biodiversity.

7 0
4 years ago
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