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Alex787 [66]
3 years ago
13

How many nuclei does a prokaryotes cell contain

Biology
2 answers:
Marrrta [24]3 years ago
7 0

prokaryotic cells do not have a nucleus.

Elanso [62]3 years ago
6 0

The distinction is that eukaryotic cells have a "true" nucleus containing their DNA, whereas prokaryotic cells do not have a nucleus. Both eukaryotes and prokaryotes contain large RNA/protein structures called ribosomes, which produce protein.

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3. What is the relationship between S- and P-waves?
Ludmilka [50]
3. p waves travel faster than s waves, and are the first waves recorded by a seismograph in the event of a disturbance. p waves travel at speeds between 1 and 14 km per second, while s waves travel significantly slower, between 1 and 8 km per second.
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7 0
3 years ago
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Why did the plant cell plasmolyze when immersed in a hypertonic solution?
Marina CMI [18]

Plasmolysis can be defined as the process where cells lose water concentration in a hypertonic solution and this process leads to contraction or shrinkage of the pant cell protoplasm. However, water leaves the cell due to hyperosmotic solution because it contains solutes such as sorbitol, sucrose and mannitol.

5 0
3 years ago
Regulatory enzymes are often the first enzyme in a multiple-reaction sequence. why might this be the case?
lions [1.4K]

before wasting energy on stopping a response mechanism halfway through, you want to stop the process. feedback restraint at the outset.

Everything in cell metabolism happens extremely sequentially. A process will produce waste if you let it run on its own. First, the regulatory enzyme reduces waste by stopping the entire pathway.

<h3>Which enzymes fall under the regulatory category?</h3>

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<h3>Which three regulatory enzymes are there?</h3>

Citrate synthase, isocitrate dehydrogenase, and beta-ketoglutarate dehydrogenase are the three enzymes that control the TCA cycle. The irreversible stages of the TCA cycle, which are the primary point of regulation, are catalyzed by these enzymes, which are allosterically regulated.

learn more about enzymes here

<u>brainly.com/question/14603979</u>

#SPJ4

6 0
2 years ago
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he bodies of wild-type fruit flies are colored by dark pigments, but an X-linked recessive mutation can confer a yellow, unpigme
bekas [8.4K]

Answer:

We could feed them with another type of food free of silver salts.

Explanation:

When talking about a phenocopy, we are referring to individuals who genotypically should be expressing a determined phenotype, but due to environmental influence, they express another phenotype. This is a non-inheritable phenotype, so it is not considered a mutation.

If we grow thy flies feeding them another type of food that does not include silver salts, and let them mate and reproduce, they will express the real phenotype, because they will not be influenced by the food. In the following generation, there will be dark individuals carrying the dominant allele, and yellow individuals, with the recessive genotype.

7 0
2 years ago
Please help me with this prefix meaning for my biology quiz
Diano4ka-milaya [45]

Answer:

the answer would be botan (:

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2 years ago
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