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2 years ago

Which of these statements is NOT true of the phylogenetic tree? a) It ranks organisms by importance in evolutionary history.

2 answers:

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"was used by economist John Kenneth Galbraith to describe the prosperity of the 1950s" is the statement among the choices given in the question that is not true of the phylogenetic tree. The correct option among all the options that are given in the question is the first option or option "a". I hope it helps you.

DENIUS [597]2 years ago

4 0

The correct option answer is:

A. It ranks organisms by importance in evolutionary history.

Explanation:

The biological process tree represents solely the relationships among organisms however doesn't rank their importance. It uses hypotheses aside from facts in presenting the events of evolution supported their ancestors.

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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

How do barnacles eat? Do you think barnacles are able to eat when out of water? Why?

natima [27]

Answer:

<h2>When the tide goes out, the barnacle closes shop to conserve moisture. As the tide comes in, a muscle opens up these four plates, and the feathery legs of the barnacle sift the water for food.</h2>

please follow me and mark me as brainlist 

6 0

2 years ago

Food that improves male fertility?

spin [16.1K]

Answer:

Three foods that may increase male fertility and improve sperm health

Fish. One small study associated higher amounts of fish consumption with better sperm motility. ...

Fruits and veggies. ...

Walnuts.

hope it's helpful

thank you

8 0

2 years ago

The correct chemical formula for magnesium sulfide is

ehidna [41]

The answer is C) MgS

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2 years ago

I) predict which of the liquids would cause the largest decrease in mass of potato stick

oksian1 [2.3K]

Answer:

1 mol per dm3 sodium chloride solution

Explanation:

The liquid that would cause the largest decrease in the mass of the potato stick would be the one with 1 mole per dm3 sodium chloride solution.

The water potential of a solution depends on the molarity of the solution, the higher the molarity, the lower the water potential and vice versa. Hence, a solution with higher molarity has the tendency to osmotically draw more water from the potato stick than a solution with lower molarity.

Therefore, the potato stick will have the largest decrease in mass in 1 mol per dm3 sodium chloride when compared to the 0.5 and 0.1 mole per dm3 solutions.

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2 years ago