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Dmitry_Shevchenko [17]
3 years ago
10

What makes our blood

Biology
1 answer:
Korvikt [17]3 years ago
3 0
Bone marrow, the spongy material inside your bones, makes new blood cells. Blood cells constantly die and your body makes new ones.
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A new mutation arises in one person on the island of Kiribati (human population size 100,000). Assuming this particular mutation
tatuchka [14]

Answer:

0.999999 ≈ 1

Explanation:

In a population ( N ) there is the presence of 2N alleles in the population also chance of fixation can be expressed as ; 1/ 2N

Therefore the probability that the mutation will be lost due to genetic drift

= 2N - 1 / 2N ---- ( 1 )

given that ; N = 100,000

back to equation 1

P ( losing mutation due to genetic drift ) = ((2*100,000) - 1 )) / ( 2* 100,000 )

= ( 200,000 - 1 ) / 200,000

= 0.999999 ≈ 1

5 0
2 years ago
Which RNA molecule is involved in translating a short sequence of RNA into an amino acid, acting like a molecular Rosetta stone?
oee [108]

Given what we know about the translation process, we can confirm that the RNA in question that aids in the process of translating a short sequence of RNA into an amino acid is mRNA.

mRNA is referred to as messenger RNA. This RNA molecule acts as just that, a messenger carrying the necessary code to create amino acids and therefore, proteins. This messenger binds itself to <em><u>the </u></em><em><u>ribosomes</u></em><em><u> of a </u></em><em><u>cell</u></em>, which are in charge of reading the code,<em><u> one </u></em><em><u>codon </u></em><em><u>at a time,</u></em> and <u>chaining together the corresponding </u><u>amino acids</u><u>. </u>

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3 0
2 years ago
Would you expect a region of the body with greater sensory acuity to have cutaneous receptors with large receptive fields, or sm
AfilCa [17]

Yes! a region of the body with greater sensory acuity to have cutaneous receptors with large receptive fields, or small receptive fields.

The sensory receptor located in the skin is known as a cutaneous receptor ( the dermis or epidermis). The somatosensory system includes them. Mechanoreceptors (pressure or distortion), nociceptors (pain), and thermoreceptors are cutaneous receptors (temperature). The lowest spatial resolution is found in the thigh and calf area, whereas the fingertips have the highest spatial resolution (and the smallest receptive fields) (and largest receptive fields). Two-point discrimination threshold measurements can be used to assess the spatial resolution in response to light touch stimuli.

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7 0
1 year ago
What is the use of minutiae<br> (this has to do with forensic science &amp; finger prints)
Harlamova29_29 [7]

The use of minutiae in forensic science is to identify the major points in a finger prints.

<h3>What is forensic science?</h3>

Forensic science is the field of science that deals with the extraction of information especially from scene of criminal cases while making use of their physical evidence, such as fingerprints and DNA.

Minutiae points are the major features of a fingerprint image and are used in the matching of fingerprints.

Therefore, the use of minutiae in forensic science is to identify the major points in a finger prints.

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1 year ago
The type of hormone, such as a steroid, which passes directly through the cell membrane to nuclear receptors to cause changes in
Ede4ka [16]

The type of hormone, such as the steroid, which passes directly through the cell membrane to nuclear receptors to cause changes in gene expression within the cell, is known as hydrophobic.

Hydrophobic steroid hormones are transported in the circulation, largely bound to plasma carrier proteins. Steroids are overall hydrophobic because of they have common tetracyclic hydrocarbon core.

Hence, the steroid hormones are lipid-soluble in hydrophobic environments and they able to pass through the cell membrane of cell. Steroid hormones have the ability bind with receptors and change their structure and causing that complex to easily pass into the nucleus in order to alter or change gene expression.

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4 0
1 year ago
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