Being pessimistic is a good way to improve your self-esteem. a. True b. False

1 answer:

5 0

<span>It is false. That means you are always expecting the worse in every situation. That is not a good thing for your mind or a health. You need to look at life and everything in a positive way. That will give you exactly a better life.</span>

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Suppose a segment of mitochondrial DNA (mtDNA) is compared between two similar modern-day species. It is known that this segment

QveST [7]

Answer:

24 million years

Explanation:

A: GCACTAAGCATCGATTT

B: GCACCAGGCACTGGTTC

There are 6 base pair changes between species A and species B. Since we know the rate of change is 1 base pair every 4 million years, we know 6x 4 million is likely how long ago the species diverged. 6x 4 million = 24 million years

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3 years ago

The ocean stores carbon from its interactions with the atmosphere, so the ocean serves as (a) _________ for the carbon cycle.

Neporo4naja [7]

Answer:

I think it is C. Carbon source

Explanation:

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3 years ago

Compare and contrast infertility and erectile dysfunction. What are the possible causes and treatments of each?

Korolek [52]

Infertility is the incapacity to conceive an offspring while erectile dysfunction is the incapacity to get aroused so as to engage in sexual intercourse (mostly in men).

Erectile dysfunction could be caused by stress, cardiovascular diseases, and diabetes. Therefore treating it requires maintaining a healthy lifestyle of nutrition and exercise.

Infertility can be caused by disorders of reproductive organs such as endometriosis and occlusion in the tubes. This can be treated by assisted reproduction (IVF), corrective surgery and education.

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4 years ago

Read 2 more answers

The first step in treating drinking water, called ____________________, involves passing water through a series of screens.

AlekseyPX

The right answer is Filtration.

A water filter is composed of a filtration system that aims to separate the water from the solid particles (residues) by passing it through a porous medium, which allows only the liquids and the finer solid particles to pass through. as the filter holes (porosity). The water that comes out of this filtration system is rid of solid particles larger than the pores of the filter.

Some water filters are designed to make drinking water (very fine filtration, less than the size of a microbe).

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3 years ago

Four structural domains of tRNA transcripts include the T loop, the D loop, the anticodon loop, and the

umka2103 [35]

Answer:

The correct answer will be option-B.

Explanation:

Transfer RNA or tRNA is the RNA molecule associated with the protein synthesis as it adds the specific amino acids to the nascent growing polypeptide.

The structure of the tRNA molecule resembles the shape of a clover leaf and is known as the clover leaf model. The structure contains hydrogen-bonded stems and associated loops. The stems include acceptor stem which posses CCA 3'-terminal group to attach amino acids. The anticodon loop contains an amino acid attachment site. T and D loop contains modified pseudouridine and dihydrouridine.

Thus, Option-B is the correct answer.

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4 years ago