Biology questions

 

1.- What is a telomere? What is the consequence when a chromosome loses its telomeres? In which disease investigation are important?

2.- Please name the cell-cycle steps.

3.- An individual whose cells have 26 chromosomes, how many chromosomes are present in the daughter cells after meiosis?

4.-What are the main characteristics of Prophase in mitosis?

5.- What are the differences between mitosis and meiosis ?

6.- What is a chromosome? Why are important?

7.- Please name the differences between Prokaryotes and Eukaryotes.

 

 

Sample Solution

Telomeres are a protective “cap” of repeating base pairs (nucleotides) located at the end of chromosomes. They are composed mostly of the nucleotide sequence “TTAGGG”, which is repeated thousands of times in a row and provides stability to the chromosome. Telomeres prevent DNA from being lost or altered each time cells divide, allowing them to replicate normally throughout their lifetime (Gomes et al., 2019).

When telomeres become too short due to aging or environmental factors, they can no longer protect our chromosomes and genetic material starts being lost as cells divide. This leads to cellular senescence (aging) or apoptosis (cell death), which can cause age-related diseases like cancer, neurodegenerative disorders, cardiovascular disease and stroke (Hahn & Weinberg 2015).

In recent years telomere length measurement has been used in various disease investigations such as cancer research because it has been found that tumor cells have shorter telomeres than normal tissue for those same patients. For example, researchers studying leukemias have found that people with chronic myelogenous leukemia have significantly lower average telomere lengths compared to healthy individuals (Kolodziejczak et al., 2016). Other studies have linked shorter telomeres with increased risk for colorectal cancer in younger adults and higher levels of mortality due to cardiovascular causes in elderly individuals.(Chien et al., 2020; Maurel et al., 2017).

In summary, telomeres play an important role in maintaining chromosomal integrity by protecting them from damage. When they become too short due to age or environmental exposure they can lead to cell death or senescence causing different types of diseases including cancers and other age-related conditions. Therefore measuring average telomere lengths has recently become useful in investigating these health risks and designing treatment plans depending on individual needs.

 

 

Retribution

Love of retribution is unusual. It is incredible, free and visually impaired. What’s more, a ton of fun proceeds. In any case, what happens regularly after affection is something contrary to cherish. At the point when an individual loses love, there is a progression of feelings that they will get. One of the darkest, most grounded and most conspicuous feelings that happen to individuals is vengeance. Pot and The Scarlet Letter are great and old stories dependent on affection, lost love, and vengeance. In The Scarlet Letter, Chillingsworth and Hester should experience passionate feelings for.

In this article we will examine brain science of vengeance. We examine issues identified with characterizing retribution first. I accept there is no reasonable norm to pass judgment on activity as inspiration for retribution. Vengeance is a clarification dependent on the conduct of the recognition trait of the entertainer. Next, we examine the physical, social and mental expenses and advantages related with reprisal. At that point I will check the spread of reprisal. In recognizing revenant want from vengeance, we question the idea of retribution as a programmed or widespread reaction to bad form. We underline the four factors that impact whether misrepresentation casualties pick counter. The tirelessness of outrage, the acknowledgment of cost of vengeance, the social and strict qualities ??of retribution, and the presence of an outer framework that can reestablish equity for casualties.

The awfulness of retribution (now and again called vengeance dramatization, vengeance show or bleeding misfortune) is a sort of hypothesis whose fundamental subject is the lethal aftereffect of vengeance and vengeance. American instructor Ashley H. Thorndiek authoritatively declared the awfulness of vengeance in the 1902 article “Connection among Hamlet and contemporary retribution dramatization”, recorded the advancement of the hero’s retribution plan, and frequently killers and Avengers Brought about his own passing. This sort initially showed up in the early present day British distributed by Thomas Kid’s “Misfortune of Spain” in the last 50% of the sixteenth century. Early works, for example, Jasper Heywood ‘s Seneca (1560’ s), Thomas Norton and Thomas Sackville ‘s play Gorbuduc (1561) were likewise viewed as a misfortune of vengeance. Different misfortunes of popular retribution incorporate the awfulness of William Shakespeare’s Hamlet (1599-1602), Titus Andronics (1588-1593), Thomas Middleton’s Avengers (around 1606).

In this investigation of vengeance and retribution of Elizabeth ‘s retribution, the two plays I see are the “Hamlet” of William Shakespeare and “The Tragedy of Avengers” of Thomas Middleton. After first observing the treatment of the writer ‘s Avengers’ character, different characters in the play will deal with the Avengers. Their fundamental subject is like adhering to the competition, however the two shows present a differentiating picture … Hamlet – a misfortune of vengeance? Shakespeare’s misfortune A secretive arrangement of contemplations identified with retribution of Hamlet makes this article a fascinating encounter. Ruth Nevo clarifies the vulnerability involved by the hero’s most celebrated monolog in Acts 3 and 4 in vengeance. I can not peruse the talk

 

 

 

 

 

 

 

 

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