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alekssr [168]
3 years ago
5

The organ that plays the greatest role in regulating blood pressure by altering blood volume is the ________.

Biology
1 answer:
chubhunter [2.5K]3 years ago
5 0
Kidney. The kidney plays the role of keeping blood pressure in check by altering the blood volume.
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Briefly explain transcription and translation using the following terms: gene, RNA polymerase, tRNA, mRNA, ribosome, nucleus, co
-BARSIC- [3]

Answer:

take the information in DNA and use it to produce proteins. Transcription uses a strand of DNA as a template to build a molecule called RNA. ... During translation, the RNA molecule created in the transcription process delivers information from the DNA to the protein-building machines

Explanation:

which translates mRNA. tRNA is the link between the two other types of RNA.

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3 years ago
1. Explain how the traits of an organism are related to the genes in DNA.
viktelen [127]

Genes in DNA or responsible for the traits an organism has. This is caused by Dominant and Recessive Traits. Remember that Genotypes are the genetic letters such as RR, Rr, and rr. Phenotype is physical traits.

Dominant Traits are more likely or always show in the offspring. The Dominant Genotype uses Capital letters such as RR.

Recessive Traits are less likely to show up. Their Genotype use lower case such as rr. Now genotypes of Rr have one dominant trait and one recessive trait. If the dominant trait was black fur and the recessive white fur, the offspring will be black fur because dominant traits overpower the other.

To understand how to know if an organism will have Dominant or Recessive Genes, you have to use something called a Punnet Square. Lets imagine 2 parents both have the genotype Rr. R is Black fur and r is white fur. As you can see from the chart, 3 of 4 boxes have Rr and 1 rr. Since there is a Dominant Trait with a Recessive, they will show a Dominant Phenotype, or Black fur. This has 3/4 chance and a 1/4 chance for white fur in the offspring.

| R. r

-----------------------------------

R | Rr. Rr

-----------------------------------

r | Rr. rr

7 0
3 years ago
What do echinoderms and chordates have in common?
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Three important characteristics such as a notochord, a dorsal hollow nerve cord, and pharyngeal gill slits, should appear at any stage of their life cycle. These are the characteristics of the chordates. Members of echinoderms share resemblance with chordates in presence of a notochord.

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3 years ago
It is often said that normal cells change into cancerous cells frequently in our bodies. Which of the following explanations acc
faust18 [17]

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the different types of cells we each have since all of us are unique

Explanation:

3 0
2 years ago
Your skin is made up of two layers the epidermis and the dermis. The epidermis produces an oily protein that repels water. When
BaLLatris [955]
D) Hypotonic

Aka when skin cells swell from excess water
8 0
3 years ago
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