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Rudik [331]
3 years ago
10

Why is circulatory system is important in meeting the needs of all cells throughout an animal's body

Biology
1 answer:
AfilCa [17]3 years ago
5 0
It helps the cell by making sure everything gets circulated throughout the cell
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HELP!! The map below shows the distribution of the green sea turtles. This pattern of distribution shows you that sea turtles pr
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As you get closer to the equator the warmer it gets... I would say dry climate... because it seems like the closest thing to a warmer climate

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Paraphrase the explanation of how a virus reproduces. why did the fact that hela cells are malignant make them particularly usef
Lunna [17]
Virus are made with ADN or RNA only, which both of them has the information of replication. Once that the virus is in a cell, this ADN or RNA will be deposit inside the cell at the replication system that is going to make the virus reproduce unlimited times until the membranes of the cell break down. And they are useful because you can use them as a carrier or vector for treat diseases or for transgenics, bioterrorism, and so on.
3 0
2 years ago
What is the difference between a heterogeneous mixture and a homogeneous mixture? A. A heterogeneous mixture can only be a solid
I am Lyosha [343]

Answer:

C. You can see the parts in a heterogeneous mixture but can't see them in a homogeneous mixture.

Explanation:

a heterogeneous mixture is in other words, the one that does not mix or is not uniformly combined, hence leading to the creation of layers of the substances used.

a homogeneous mixture is the one that completely dissolves, or mixes, or is uniformly combined.

5 0
3 years ago
Which of these body cavities is a long, continuous cavity located on the back of the body?
densk [106]

Dorsal Cavity

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8 0
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Scientists studying transcription in yeast (Saccharomyces cerevisiae) created an experimental strain that
Ray Of Light [21]

Answer:

Explanation:

Hello!

The scientist created an experimental strain that produces a modified RNA polymerase with a single amino acid substitution. This mutation is supposed to change the elongation rate of the mRNA during transcription.

The dependent or response variable, is the one the researchers are interested in, meaning, are the characteristics that the researcher will pay attention to and measure during the experiment.

In this example, the researcher is interested in testing the max elongation rate during transcription, which is the dependent variable of this experiment.

In the second part of the experiment, both strains of yeast, wilds, and experimental, where exposed to 40ug/mL solution of amanitin and recorded the maximum elongation rate of the RNA. This is naturally to test the effects of amanitin over the elongation rate of the mRNA in both strains.

The control group is a set of experimental units that are exposed to the same conditions as the experimental groups, with the exception that they receive no treatment (or they receive a "no effective" treatment often called a placebo). The purpose of a control group is to know the natural response of the experimental units to a treatment-free environment, this way when comparing both groups, the researcher will be able to observe the differences or changes due to the applied treatments.

In the second experiment, there are missing two control groups, one made of the wild strain and the other made of the experimental strain, exposed to the same conditions as the treated strains.

I hope this helps!

8 0
3 years ago
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