the following quotation about freedom: “Freedom is never really won‚ you earn it and win it in every generation.” -- Coretta Scott King‚ civil rights activist In an argumentative essay‚ state and defend a claim about whether you agree that freedom needs to be repeatedly won or whether it is permanent once achieved the first time. Use evidence to support your claim. Evidence can include information provided here‚ prior knowledge‚ or research. You may consider viewing the materials available from
Premium Sociology Psychology Management
The cells of the adaptive immune system are special types of leukocytes‚ called lymphocytes. There are two main types of lymphocytes‚ B cells and T cells‚ which are derived from hematopoietic stem cells in the bone marrow. T cells are involved in cell-mediated immune response‚ whereas B cells are involved in the humoral immune response. The surface of each lymphatic cell has receptors that enable them to recognize foreign substances. There are two major subtypes of T cells: the helper T cell and
Premium Immune system White blood cell Adaptive immune system
Weismann‚ who noted that two cell divisions were necessary to transform one diploid cell into four haploid cells if the number of chromosomes had to be maintained. In 1911 the American geneticist Thomas Hunt Morgan observed crossover in Drosophila melanogaster meiosis and provided the first genetic evidence that genes are transmitted on chromosomes. The term meiosis was introduced to biology by J.B. Farmer and J.E.S. Moore in 1905 Meiosis i/maɪˈoʊsɨs/ is a special type of cell division necessary for
Premium Meiosis Gamete Mitosis
which he called cells’ this in itself unbeknownst to him‚ was the discovery of the fundamental unit of all living things. In 1838 a botanist called Schleiden derived the theory The basic unit of structure and function of all living organisms is the cell.’ Over 150 years later this can be regarded as one of the most familiar and important facts within the biological fields. Drawing of cork cells published by Robert Hooke 1665 The Cell itself and use
Free Cell Eukaryote Organelle
Practical 1 ________________________________________________________________________ To investigate how the resonant frequency f of a vibrating wire is affected by the tension F of the wire Objectives: To study stationary waves in a string. To find the mass per unit length of a string using standing waves in the string. Apparatus and Materials: 1 Function generator 2 Thread 3 Pulley 4 Wooden wedge 5 Slotted masses 6 Meter rule 7 Vibration generator Setup: Figure 1-1 Theory: Velocity of a
Premium Wave
Have you ever thought about what the sun and moon would say to each other if they were given an opportunity to communicate? In her article “Between the Sexes‚ A Great Divide”‚ Anna Quindlen shows the differences between the genders‚ like sun and moon‚ and the divide that exists between them‚ which starts from the first high school dance‚ where boys and girls are far away from each other‚ and all the game is about who is going to do the first move. I mainly agree with Quindlen‚ that “it is the dance
Premium Gender Gender role Transgender
Cell Fractionation: Isolation of Mitochondria from Cauliflower and Determination of Specific Enzyme Kinetics Introduction Mitochondria is an organelle found in eukaryotic cells that play a role in biochemical processes such as respiration and energy production. Mitochondria even play an important role in apoptosis‚ or programmed cell death. This is achieved by disruption of electron transport‚ oxidative phosphorylation‚ and ATP production or even the release of proteins that trigger activation
Premium Citric acid cycle Cellular respiration
EXPERIMENT 3: ISENTROPIC EXPANSION PROCESS Objective In order to demonstrate the isentropic expansion process. Introduction Isentropic means no change in entropy. Entropy is a thermodynamic property that is the measure of a system’s thermal energy per unit temperature that is unavailable for doing useful work. In simple terms‚ the measure of the level of disorder in a closed but changing system‚ a system in which energy can only be transferred in one direction from an ordered state to a disordered
Premium Thermodynamics Temperature Pressure
Conformity is‚ by its very nature‚ meant to suit one to a standard. Yet‚ efforts made with this aspiration are futile at best and at worst regressive. The undeniable resulting distortion of the individual’s identity and their persistent inability to assume the role in society that both they and the preordained norms are dictating establishes endeavors to mold as such. For‚ a conformist can’t have a strong sense of self to begin with‚ and without grounding‚ the lines between the facade and what’s
Premium Sociology Psychology Social psychology
Re-read from Act 2‚ line 691 ‘GWENDOLEN: You have filled my tea…’ to page 291‚ line 745 ‘GWENDOLEN: You will call me sister‚ will you not?’ How does Wilde create comedy in this scene? The Importance of Being Earnest is considered by many to be a comedy of manners‚ focusing on the love lives of aristocratic young people‚ and relying on the use of verbal wit‚ stock characters and humour over developing a deep plot and sense of character. In this scene‚ Gwendolen and Cecily have just gotten into
Premium Comedy Drama