THE CHEMICAL CONSTITUENTS OF LIVING MATTER Relevant IB topic: T3 Time: 2 hours BACKGROUND The principal chemical constituents of living matter are: water‚ mineral salts‚ organic compounds such as carbohydrates‚ proteins‚ lipids‚ nucleic acids. In this exercise we shall concentrate on carbohydrates‚ lipids‚ proteins‚ and we shall estimate the concentration of Vitamin C‚ an organic compound‚ in a solution‚ by the
Free Glucose Carbohydrate Starch
Ode To a Nightingale In Keats’ 19th century poem‚ Ode To a Nightingale‚ he comments upon the short-lived nature of human life and the concept of mortality through using a contrasting image of a nightingale. In the poem‚ the narrator speaks of this bird yearningly‚ envious of its ability to remain immortal through it’s song‚ and of its detachment from the human world. It is clear that the narrator is experiencing feelings of melancholy‚ and he discusses a personal escape from an existence tainted
Premium Poetry
Ellie Wiesel portrays the full effect of indifference during his speech “The Perils of Indifference” by using firm language choices‚ to emphasize indifference. With the use of diction‚ alongside the use of efficacious allusions‚ he reveals the suffering “behind the black gates of Auschwitz” and presents how Jews “felt abandoned by humanity”. He impudently questions the reader “Have we really learned from our mistakes?”. He aches to get his point across‚ to allow people to look at themselves and see
Free Elie Wiesel
Margaret Atwood’s poem The Landlady presents a depressing and frightening experience of one living in a rented room. The landlady is very much the dangerous gaoler of this prison‚ and one who specializes in oppression. The poem is striking in its use of language‚ including imagery‚ sounds‚ and rhythms‚ that vividly portray the feared landlady and the shrinking tenant. The comparison of the speaker’s living situation to that of a prison‚ a place of oppression‚ is the dominant thematic
Premium Poetry Stanza Tercet
Commentary on The Lesson’ by Roger McGough Roger McGough the author of The Lesson’ is a well respected British poet who is still writing poems and is a poetry performer today. His work has become so well recognized that he has received an O.B.E for his contributions to poetry from the Queen. McGough was born in Liverpool and attended school in the nineteen-forties and fifties during a time when corporal punishment was widely present in British education. The Lesson’ by McGough is a poem
Premium Poetry Rhyme Stanza
Genes and Genetics 1. 2. each chromosome exists as two genetically identical chromatids attached to their centromere. Each chromosome appears as two chromatids attached to a centromere. In the first meiotic division chromosomes align in homologous pairs. Points of contact form between members of the same homologous pair. The points of contact or crossing over between members of a homologous pair are the chiasmata. 3. The homologous pairs move to the equator of the cell. Equal lengths of the
Premium DNA Meiosis Genetics
"Of Mice and Men" is a novel written by the 1962 Nobel Prize winner‚ John Steinbeck. It is an emotional tale of the extraordinary friendship between George and Lennie‚ who are traveling workers in the harsh depression years of the 1930s. George is a caring person whose love to Lennie is just like a father-son relationship‚ where Lennie‚ a mentally challenged man whose strength lies in body rather than brain‚ appears to be very dependent on George. "Of Mice and Men" teaches a universal theme about
Premium Great Depression Of Mice and Men John Steinbeck
The Bluest Eye depicts the social conditions and psychology of black citizens in post-World War II United States. This excerpt‚ situated in the Autumn part of the book‚ introduces the reader to a family‚ the Breedloves‚ part of whom is the protagonist‚ Pecola. The point of view is omniscient‚ enabling the author to describe the family‚ their house and state of mind. This extract has several layers of meaning : it depicts the physical‚ then moral conditions of the Breedloves‚ but also sheds light
Premium Sociology Identity formation Black people
Planting A Sequoia‚ written by Dana Gioia‚ included in her larger work‚ The Gods of Winter published in 1991. The work is written in first person point of view because the narrator. This poem’s central assertion is remembrance and honoring of the dead with the family and rebirth. The poem is about the a father that plants a sequoia tree in honor of his recently deceased infant son. Gioia uses imagery in the first few stanzas to emphasize the severity of the father and his families’ grief and despair
Premium Tree Poetry Stanza
The poem ‘Child and Insect’ details a child’s first encounter with the nature of life – both its fragility and its steadyness; and the child’s response to this experience. Through the poet’s diction‚ use of stylistic devices such as alliteration and enjambment‚ and his use of vivid sensory imagery‚ the poet contrasts the child’s attitude towards life before the incident‚ and his attitude after the incident. By following the boy’s emotional journey and growth – from ignorance to understanding‚ from
Free Poetry Emotion