Can your body’s vital signs fluctuate (go up & down) and still be healthy?

Biology

1 answer:

mario62 [17]3 years ago

8 0

Answer:

Exercise causes the body to need more oxygen and the body breaths quicker and has a faster pulse rate to deliver this oxygen. The data shows that having an unhealthy diet gives a person high blood pressure.

Explanation:

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If you do a Gram-stained on a bacteria isolated from a healthy human intestine you will find mostly Gram positive spiral cells.

SSSSS [86.1K]

I can help you:)

Most bacteria can be stained with postitevly charged stains.So this is true .My friend had a test about this so he told me all about this topic and helped me learn about it and help you.

so there you go :)

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3 years ago

Describe the modern system of classification

Alex

Classification system originated in the 18th century, from the works of a Swedish botanist Carolus Linnaeus. He classified living beings based on similarities between them. Organisms which could interbreed were put in one species.

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3 years ago

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Name four functions of proteins

ki77a [65]

Easy,

1- Proteins gives us energy

2- Proteins help us in cell repair and they take part in cell reproduction

3- Proteins contain powerful particles that diffuses and give energy to do work

4- Proteins are powerful

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3 years ago

Which statement describes the relationship between a gene and an allele?

omeli [17]

Answer: option B) A gene can take different forms called alleles.

Explanation:

An allele is one of the two or more different forms of the same gene.

For example, a trait such as seed shape is represented expressed a gene, but with allele of "RR" (round seeds) and "rr"(wrinkled seeds) observed physically by the farmers.

Thus, the correct answer is that a gene can take different forms called alleles.

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3 years ago

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1. Populations can have variety, despite being made up of the same species. If a population has different expressed traits, this

fgiga [73]

Natural Selection proposes that organisms that are better adapted to their environment are able to survive and reproduce.

Even though these frogs are the same species, their shades of green is what helps them to survive in their habitat. In this case, frogs with a lighter shade of green are able to be seen by predators easier, whereas frogs with darker shades are able to blend in (camouflage) more with their surroundings. After a period of time, due to them being easily seen, lighter-shaded green frogs will die off.

To anseer your question, natural selection would have a gradual affect on the frequency of the alleles. Lighter-green allele frequencies would eventually cut off, and darker-green allele frequencies will increase.

Hopefully the following image will help:
As seen in the image, (please forgive the quality, as I had drawn this on some random kids drawing site on the internet...) you can see the affects of natural selection on the allele frequencies. The brighter-green shades gradually decrease over time, as the darker shades increase.

Hope you find this helpful.

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3 years ago