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Nezavi [6.7K]
3 years ago
15

An insect is able to walk across the surface of a pond without sinking because of the_____. A. surface tension of the water B. p

rocess of evaporation C. polarity of the water molecules D. adhesion of the insect's feet to the surface of the water
Biology
1 answer:
laiz [17]3 years ago
8 0
<span>An insect is able to walk across the surface of a pond without sinking because of the surface tension of water. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that you were looking for and it has helped you.</span>
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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
In nature, individuals with successful traits pass on these trails to the next generation but unsuccessful traits are eliminated
Verizon [17]
Been a bit since I learned this but I believe the answer is B.

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6 0
3 years ago
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Scientists can study the human genome using DNA fingerprinting.
Naya [18.7K]

Answer:

your answer is C.

Explanation:

5 0
2 years ago
What cell type is the unknown organism?
tangare [24]

EXPLANATION:

Various steps involved in the identification of unknown bacteria are:

Various steps involved in the identification of unknown bacteria are:Isolation: The importance of this step is to isolate pure colonies of bacteria. ...

Various steps involved in the identification of unknown bacteria are:Isolation: The importance of this step is to isolate pure colonies of bacteria. ... Staining Reactions: ...

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2 years ago
A new monkey species has developed. This species climbs trees and has opposable thumbs but does not have a prehensile tail. Whic
svetoff [14.1K]

Answer:

B. Old world monkeys

Explanation:

The Old World monkeys (including baboons) inhabit Africa and Asia, and are more closely related to apes. They are generally larger than New World monkeys, have more elongated faces, and have a tail that is not "prehensile".

8 0
3 years ago
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