bacterium Single-celled organism belonging to the Domain Bacteria; cells are typically walled and do not contain a nucleus. * biodiversity Of a region‚ the genetic variation within its species‚ variety of species‚ and variety of ecosystems. * biology The scientific study of life. * biosphere All regions of Earth where organisms live. * cell Smallest unit that has the properties of life; at minimum‚ consists of plasma membrane‚ cytoplasm‚ and DNA. * community All populations
Premium Cell DNA Bacteria
A2 Biology Coursework A1- Develop a hypothesis Outline your biological knowledge or research related to the problem under investigation Yeast are eukaryotic species and make up approximately one percent of species in the kingdom Fungi. One of the most well studied yeast species‚ Saccharomyces cerevisiae‚ commonly known as bakers yeast‚ and also used in the fermentation of alcohols‚ is a model species for the study of eukaryotic cells. They are known to reproduce either sexually‚ by mitosis‚
Premium Yeast Enzyme
Biological Science‚ 4e (Freeman) Chapter 1 Biology and the Tree of Life 1) Which of the following statements about cells is true? A cell is _____. A) only found in multiples of two‚ because single cells cannot exist independently B) always between 200 and 500 micrometers in diameter C) characteristic of eukaryotic but not prokaryotic organisms D) characteristic of both prokaryotic and eukaryotic organisms Answer: D Reference: Section 1.4 Bloom’s Taxonomy: Level 1 Knowledge 2)
Premium Organism Evolution Life
AP BIOLOGY CELL UNIT ACTIVITY #5 NAME_____________________ DATE___________HOUR_____ CELL TRANSPORT MEMBRANE PROPERTIES PASSIVE TRANSPORT CHARACTERISTICS: DIFFUSION: Cell Unit Activity #5 page 1 OSMOSIS : ISOTONIC ANIMAL CELLS Cell Unit Activity #5 page 2 HYPOTONIC HYPERTONIC PLANT CELLS OSMOREGULATION – ADAPTATIONS Paramecium Fresh Water Bony Fish FACILITATED D IFFUSION: Cell Unit Activity #5 page 3 Marine Bony Fish ACTIVE TRANSPORT CHARACTERISTICS:
Premium Membrane biology Osmosis Diffusion
Problem 1 Hypothesis 1 Materials 1 Procedure 2 Data 2 Results 3 Conclusion 3 Research Paper 3-7 Annotated bibliography 8 Acknowledgement8 Hinson 1 Nick Hinson Reisbig Biology IA 11/16/11 Weighted Baseball Problem: Does throwing a weighted baseball increase your arm strength while not hampering your mechanics? Hypothesis: If the weight of the baseball is increased then the arm strength will increase but also hamper
Premium Baseball Newton's laws of motion Major League Baseball
Kelly Tyndall Valerie Shay ENG 090.0902 1 May 2013 Crystal Methamphetamine and the Life Long Effects There is a recreational man-made drug that is considered one of the most addictive drugs available‚ it is known as Crystal Meth. This drug can be smoked‚ snorted‚ or injected. The drug is highly addictive due to the fact it gives the user a false sense of well-being and energy‚ which makes the user go beyond their physical limits while under the influence. After the high‚ which last between
Premium Heroin Methamphetamine Cocaine
Cancer Epidemiology Cancer is not a single disease; it is a myriad or collection of diseases with many different manifestations as there are many different types of tissues and cell types Cancer is a disease of abnormal gene expression. Cells are constantly evolving and have the natural selection pressures to change Common biological properties of tumor cells: 1) Deregulated clonal cell growth- all cells in a tumor originated from one single cell that acquired mutations that made it deregulated
Premium Cancer DNA
AS Biology - Unit 1 ------------------------------------------------- Metabolism Metabolism is a term to describe all reaction which is taking place within a cell and is separated into two types which are * anabolic = compounds being built up * catabolic = compounds being broken down ------------------------------------------------- Water The water molecule is a molecule which is made up from 2 hydrogen atoms and 1 oxygen atom. It is bounded by 2 covalent bonds and has is polar.
Premium Organism Energy Metabolism
HOMEOSTASIS BIOLOGY I BIO091 Prepared by: Nur Syakireen Bt. Ishak SCOPE •Definition and importance of homeostasis •Homeostatic organ •Negative and positive feedback mechanisms •Blood-glucose regulation •Thermoregulation •Osmoregulation DEFINITON & IMPORTANCE OF HOMEOSTASIS Homeostasis • Homeostasis: • is the steady state of physiological condition of the body. • it is the physiological processes by which organisms maintain a constant & balanced internal environment. • In achieving
Premium Kidney Blood Nephron
Largest Gypsum Crystals A mile below one of Mexico ’s most important lead and silver mines‚ and a few miles above the earth ’s magma lies a magnificent Geological Wonder. It Is Known As “The Cave Of Crystals." It contains the largest gypsum crystals known in the world to date. The cave was discovered in 2000 by two brothers drilling 1000 feet below the ground while working for Penoles mining company (Garcia-Ruiz et al.). Man and mining have had a negative impact on the crystals‚ and should be
Premium Gypsum Mineral Cave