Hypothesis: I predict that the leaves taken from the outer area of a shrub have a higher stomatal index (/density) than those taken from the centre of a shrub this are due to light levels. Explanation: Plants have stomata to obtain carbon dioxide from the atmosphere and remove oxygen produced in photosynthesis. During photosynthesis the chloroplasts in the leaf cells synthesize as a result of exposure to light‚ while oxygen is produced as a by-product. As the outer leafs are exposed to higher light
Premium Leaf Photosynthesis Plant physiology
Genetic Traits Exercise: Introduction: The pioneer of modern day genetics was an Austrian Monk named Gregor Mendel‚ who established the basic laws of heredity from his studies with pea plants in the late 1800s. Mendel’s fundamental genetic principles may be applied to a variety of traits from many different organisms. Each genetic trait‚ such as flower color‚ is regulated by a pair of genes called alleles. These alleles are found at particular places on the chromosomes called loci. During meiosis
Premium Gene Allele Genetics
Unit 5 Case Study Mariella Hines is a 9 year-old African-American girl attending the 3rd grade in the JFK School. She was referred to the School Psychologist because she has recently become very withdrawn during class‚ refusing to speak to anyone‚ including her teacher and peers. Previously she seemed to have age-appropriate social skills‚ interacting well at school. Her withdrawal started suddenly. Mariella’s teacher‚ Mrs. Levine‚ called Mariella’s mother to find out more information‚ but her
Premium Applied behavior analysis Psychology
Study Questions: Chapter 28 1.) Archaea and Bacteria are the oldest‚ structurally simplest and most abundant forms of life. 2.) Name and describe seven ways in which prokaryotes differ substantially from eukaryotes? Unicellularity- fundamentally single-celled Cell Size- can vary (large range changes with species) Nucleoid- lack a membrane-bound nucleus but rather a nucleoid region Cell Division/Genetic Recombination- binary fission (does not use spindle) and do not have a sexual cycle Internal
Premium Bacteria
PLANNING COURSEWORK- STARCH AND AMYLASE AIM The aim of this coursework is to investigate the effect of temperature change‚ on the rate of hydrolysis of starch catalysed by amylase. PREDICTION I think that as the temperature increases‚ the rate of reaction also increases‚ to a point when it dramatically decreases. On graph 1‚ you will see a sketch of the graph which I expect to be the result of the experiment. SCIENCE REASONING I think my prediction is correct because the rate of
Premium Enzyme Chemical reaction Catalysis
when the buffer has a pH of 2. Trypsin is an enzyme that works in the small intestine and has an optimum pH between pH 7 and 8 or in neutral conditions. From our graph it can be seen that the lowest mean percentage light transmission for trypsin is when the buffer has a pH of 8. C2 and C3 As the pH of the pepsin buffer increases from pH 2 to pH 9 so too does the percentage light transmission through the buffer solution after a 24 hour period. Although when the trypsin buffer has a pH between pH 2
Premium Enzyme PH
Watching Tsotsi was a breathtaking experience; the film was a great way of portraying realism in the poor parts of South Africa. I am a student in London who is not usually exposed to any sort of violence‚ and watching this film had made me realise the dangers‚ distress and unhappiness some people may be feeling in other countries; from this film‚ I’ve learnt to appreciate the lifestyle I am living. I feel the director based this film Tsotsi to capture the audience’s heart and play about with their
Premium A Great Way to Care Emotion Audience theory
Name: Victoria Ng Class: S3C Date: 20 November Explore the techniques used by the poets to reveal despair and coping with reality in the poems. (Poems – Island Man and Mid-Term Break) Critical Essay In these two poems‚ hopelessness and sadness is evident as it speaks of something important being ripped out of ‘Island Man’ and Seamus Heaney’s lives. Grace Nichols and Seamus Heaney reveal this emotion through contrasts‚ imagery‚ assonance and many other techniques. This contributes to the
Premium Poetry North America
‘Despite Gatsby’s attempts‚ at the end of the novel‚ we are left with a clear sense that the expectations of men and women of different classes hasn’t changed.’ Discuss Fitzgerald’s presentation of money and how this affects men and women’s presentation of themselves in ‘The Great Gatsby’ and ‘The Diamond as Big as The Ritz and Other Stories.’ PART ONE Throughout Fitzgerald’s classic novel ‘The Great Gatsby’ the themes of money and how this affects the way that men and women present themselves is
Premium Wealth F. Scott Fitzgerald Capital accumulation
FIN 312 01W Assignment #1 (Chapters 3 and 4) – 10 problems: Due 9/9/13 Chapter 3 Questions (p62): 2 2. If there is a decline in interest rates‚ which would you rather be holding‚ long term bonds or short-term bonds? Why? Which type of bond has greater interest rate risk? Long term bonds because their price would increase more than the price of the short term bonds‚ ultimately producing a better return on investment while rates are declining. However‚ the long term bond increases your
Premium Bond