Planning Introduction Stomata are pores on the bottom of leaves of vascular plants. The function of stomata is to allow gaseous exchange (transpiration) between the plant and the external environment (see diagrams below). This process is carried out by the plant‚ which controls the opening and closing of stomata via the guard cells. The more stomata a leaf contains the greater the rate of gas exchange and the less water it will be able to accumulate. Stomatal pores are formed between
Premium Photosynthesis Standard deviation Leaf
Biology Exam Review Unit One – Biochemistry What is an isotope? Isotope - An isotope is all atoms of the same element that have the same number of protons‚ but they may have different numbers of neutrons in the nucleus. - This means that all atoms with the same atomic number can have different atomic masses. - Because they have the same number of protons and electrons‚ they behave exactly the same in chemical reactions. Radioisotope - The nuclei of some isotopes of an element are unstable
Premium Atom Protein DNA
Eliel Pepito 8/1/10 The Beak of the Finch Summary The Beak of the Finch by Jonathan Weiner explores evolution through the most famous examples in history—the finches of the Galápagos Islands. Charles Darwin’s theory of natural selection and the process of evolution are applied directly to what scientists refer to as Darwin’s Finches. Weiner follows scientists Peter and Rosemary Grant as they study the finches in real time on the Galápagos. Years of previous work‚ study and data is collected
Premium Natural selection Species Charles Darwin
Network Layer: Logical Addressing 41 IPv4 ADDRESSES An IPv4 address is a 32-bit address that uniquely and universally defines the connection of a device (for example‚ a computer or a router) to the Internet. Topics discussed in this section: Address Space Notations Classful Addressing Classless Addressing Network Address Translation (NAT) Note An IPv4 address is 32 bits long. The IPv4 addresses are unique and universal. The address space of IPv4 is 32 2 or 4‚294‚967‚296. Figure 4.1 Dotted-decimal
Premium IP address
Survival of the Sickest chapter two concentrates mainly on the disease named diabetes. The full scientific name is actually diabetes mellitus‚ or “passing through honey sweet” Diabetes is an extremely common and well known disease that becomes more and more common every day. The disease is based on sugar is the body‚ or glucose. When your body breaks down carbohydrates‚ it produces glucose‚ and essential sugar for the human body. There is a bodily function in which insulin helps the body use glucose
Premium Diabetes mellitus Insulin
Kai Knitter 8/12/14 Period: 4 The first main event in the Giver comes early on in the book. Jonas’s father brings the struggling newchild Gabriel home to spend nights with Jonas’s family. Lily says that Gabriel has “funny eyes” like Jonas both boys have pale lightish eyes‚ while most people in the community have darker eyes. At this point lily is being quite rude and In their society it is unacceptable to call attention to all the ways people are different. Another major event
Premium The Giver Jonas Fiction
Chapter 1 - Christmas Eve • When the book opens‚ Arthur Kipps is sharing some fascinating thoughts about how he’s always been affected by the weather. • He describes how he came to live at Monk’s Piece and stumbled across it while out on a ride with his employer‚ Mr. Bentley. • Arthur is a solicitor and has worked with Mr. Bentley for many years. • Now he’s married to a woman named Esmé and lives in Monk’s Piece with her four children from a previous marriage; they have been happily settled for
Premium Bankruptcy in the United States Woman
Salters Nuffield Advanced Biology AS Revision summary Unit 1 Topic 1: Lifestyle‚ health and risk Topic 2: Genes and health Unit 2 Topic 3: Topic 4: SNAB Biology AS Revision Summary Understanding the specification The following summary tries to explain what is meant by the specification statements for the SNAB AS course. SNAB includes a lot of material because it helps you to understand ideas or because it is interesting‚ but it can be a little confusing when it comes to knowing what to
Free DNA Cell Gene
Chapter 1 – East and West In Chapter 1‚ the author assesses the unique and eternal achievements of 5th century BCE Athenian culture. She introduces several basic dichotomies that define her understanding of the writers and events of the period in the later chapters. One of the basic themes of the book is that the thought and the art of classical Athens is full of meaning for people of later generations. It is the full of meaning for nations‚ cultures and societies beset by broad-scale and profound
Premium Athens Ancient Greece
HRM chapter summary Chapter 2 (p. 35-45) The labour market: - Substantial increase in demand for labour reflects economic growth and population growth over the period. In spite of the recessions it continued to grow. - Another way of tracking growth in demand for labour‚ is looking at the total number of jobs. This figure can be high because of jobs held by people over the retirement age and those who have two or more part-time jobs. - What sort of skills are employers looking for? => long-term
Premium Employment Economics Labour economics