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deff fn [24]
3 years ago
5

Human height tends to follow a normal distribution. For example, 80 percent of men are somewhere between 5 feet 4 inches tall an

d 6 feet tall, with the largest number of men standing 5 feet 8 inches tall. Smaller and taller heights are increasingly rare, as they become more extreme. For instance, less than 0.01% of the adult male population is greater than 7 feet tall or shorter than 3 feet tall.
Humans have followed __________ selection with regard to the evolutionary trend for height.

A) artificial
B) disruptive
C) stabilizing
D) directional
Biology
2 answers:
marishachu [46]3 years ago
4 0
Its A) artificial selection. <span />
Aleks [24]3 years ago
4 0
The answer is C. Stabilizing. 
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In a paragraph discuss the process of the life cycle of seedless plants.
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Answer:

The life cycle of seedless vascular plants alternates between a diploid sporophyte and a haploid gametophyte phase. Seedless vascular plants reproduce through unicellular, haploid spores instead of seeds; the lightweight spores allow for easy dispersion in the wind.

<h3>hope it will help u in understanding..</h3>
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A student makes the statement to a colleague, "Blood plasma is essentially just a carrier for the formed cells like red blood ce
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Plasma plays an essential role of transporting nutrients and waste.

Explanation:

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amid [387]

Answer:

Please find the explanation below

Explanation:

Our nucleus is made up of a genetic material called deoxyribonucleic acid (DNA), which is a double-helical structure that stores the genetic information needed for the optimal functioning of any organism. DNA, alongside RNA are nucleic acids that are composed of NUCLEOTIDES subunits. The nucleotide consists of a pentose sugar (deoxyribose in DNA and ribose in RNA), nitrogenous base and a phosphate group.

However, the genetic information stored in the DNA molecule needs to be expressed in order to form useful products (proteins). This genetic expression is done in two stages viz: transcription and translation. Transcription, which is catalyzed by an enzyme called RNA polymerase is the process whereby the information stored in the DNA is used to synthesize a mRNA molecule. However, this mRNA molecule is considered pre-mature until it is processed. RNA processing occurs in three stages viz: 5' capping, polyadenylation, and splicing.

5' capping involves adding a 5' cap to the marks molecule. Polyadenylation involves adding a poly(A) tail to the mRNA molecule while splicing is the removal of introns (non coding regions) with the aid of Spliceosomes and joining of the exons (coding region). After processing, the mRNA becomes matured and ready to be translated.

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Translation occurs in three stages: initiation, elongation and termination. The mRNA attaches to the P site of the ribosomes (initiation) where it is attached to by a tRNA's anticodon complementary to it. The anticodon carries the amino acid corresponding the codon and shifts to the A-site. The addition of amino acid to the polypeptide chain continues (elongation) until a stop codon is encountered, which signals the end of the translation process i.e. termination. This causes the polypeptide (protein) to be released from the E-site.

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