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poizon [28]
3 years ago
15

A student is proposing a model to compare prokaryotic cells and eukaryotic cells. The student is using string to model the cell

membrane, beans to represent the ribosomes, and pipe cleaners to model the chromosomes. How will the student need to revise the model to demonstrate a prokaryotic cell rather than a eukaryotic cell?
Biology
2 answers:
MissTica3 years ago
6 0

Answer:

The pipe cleaners should be made circular to signify that prokaryotes do not have chromosomes

Explanation:

Prokaryotic and eukaryotic cells have a number of distinct features. Prokaryotes lack membrane-bound organelles, whereas eukaryotic cells are compartmentalised with different organelles performing different function.

As a result, prokaryotes no not possess a nucleus, where the DNA is housed in the cell. Eukaryoric DNA is organised into chromosomes. However, prokaryotic DNA is much more simple (and there is usually much less of it), and instead of forming chromosomes, it is organised into a singular, circular molecule, sometimes called the bacterial chromosome.

Therefore, the student will need to take one pipe cleaner and form a circle with it to make the bacterial DNA.

adelina 88 [10]3 years ago
4 0

Answer:

33 bvxc

Explanation:

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Try Googling it- almost all your homework can be answered by that method. Not that hard as well. Anyways, answers are below: 

Archaea- Prokaryote, unicellular, autotroph/heterotroph
Eubacteria- Prokaryote, unicellular, autotroph/heterotroph
Protista- Eukaryote, unicellular/multicellular, autotroph/heterotroph
Fungi- Eukaryote, unicellular/multicellular, heterotroph
Plantae- Eukaryote, multicellular, autotroph
Animalia- Eukaryote, multicellular, heterotroph

*You can find examples by Googling them.

1. Either archaea or eubacteria, not clear in the image.
2. Animalia
3. Picture isn't clear
4. Plantae
5. Fungi

a. directional selection b.<span> stabilizing </span>selection c.<span> disruptive </span><span>selection
</span>
Please use Google and try a bit before asking :) Hope this helps
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