95°C while the z-value is 11.2°C. Introduction Bacterial endospores are very resistant to hostile chemical and physical environments‚ thus allowing bacteria to lie dormant for extended periods. A few bacterial genera‚ such as Bacillus and Clostridium are capable of producing endospores. As these spores are resistant to heat‚ radiation‚ desiccation‚ and disinfectants‚ they are difficult to eliminate and are a frequent cause of contamination. In addition‚ endospores do not require nutrients to
Premium Heat Bacillus Bacteria
Term | Definition | Systematic Biology / Systematics | * Study of the biodiversity * Quatitative science that uses the characteristics of living and fossil organisms(traits) to infer relationships between organisms over time | Taxonomy | * Branch of systematic biology * Process of identifying‚ naming and organising biodiversity into related categories | Taxon | General name for a group containing an organisms or groups of organisms that exhibit a set of shared traits | Classification
Premium DNA Evolution Bacteria
SCI250 Week 5 Chapter 19 Integumentary System Quiz – Test Bank Section: Multiple Choice 1. The majority of the microorganisms on the surface of the human skin are ________ Gram-positive bacteria. Gram-negative bacteria. approximately equal numbers of Gram-positive and Gram-negative bacteria. Spore-forming bacteria. Enteric. 2. The outer layer of the skin is the _________ while the deeper layer is the _________ cutaneous‚ keratin. dermis‚ sebum. mucous‚ epidermis. epidermis‚ dermis. sebum‚ keratin
Premium Bacteria Skin DNA
Culinary Exam Review Contaminants • Chemical o Toxic metals (lead‚ copper‚ brass‚ zinc) o Chemicals (cleaning products‚ polish‚ lubricants‚ sanitizers) o Pesricides • Physical: glass‚ metal‚ nail polish • Biological o Seafood toxins o Plant toxins o Fungal toxins o Pathogens o Bacteria o Parasites o Viruses Pathogens: Microorganisms that cause illnesses (virus‚ bacteria‚ parasites and
Premium Food Restaurant Nutrition
Intro to Microbiology: Gram stain: Gram + Gram - Exotoxin Except Listeria has endotoxin Endotoxin Except Capsules Strep pneumo VERY Dangerous: (Some Strange Killers Have Pretty Nice Capsules) 1. Salmonella 2. Strep 3. Kleibsiella 4. Hemophilus B 5. Pseudomonas 6. Nisseria-(largest capsule- most likely cause of any toxicity) 7. Citroacter Gram (+) Gram (-) N-acetyl muramic acid (Nam) + N-acetyl glucosamine (Nag) = Peptidoglycan wall Contains
Premium Escherichia coli Staphylococcus aureus Pneumonia
Name of diseases | antibiotics | pharmacokinetics | Mechanism of action | Listeriosis and e.coli enteritis | AmpicillinGentamicin | Half-Life: 1-1.8 hrProtein Bound: 15-25%Absorption: oral 50%Distribution: bile‚ blister & tissue fluids‚ CSF with inflamed meningesMetabolism: liverExcretion: urineHalf-Life: 2-3 hr (NRF)Protein Bound: <30%Peak Plasma Time: IM 30-90 min; IV 30 min after 30 min infusionDistribution: crosses placenta‚ relative diffusion from blood into CSF: minimal even with
Premium Bacteria DNA Penicillin
Modern Health Hazards‚ dangers arising from man made circumstances that threaten the wellbeing of humans environment. These are normally taken as hazards arising from the mistakes human’s have made over the past year’s affecting the Healthy status of the entire planet completely. Different hazards threat human life on earth & By the level or extent of threat the effect can be serious and sometimes even cause death. Modern Hazards mainly are pollution of different types ‚Drugs ‚ chemical usage and
Premium Oxygen Air pollution Pollution
Anatomy & Physiology Body Systems Research Paper Bells Palsy October 24‚ 2012 Introduction Bell’s palsy is described as facial paralysis or facial weakness. However‚ it can result from a large number of disorders including tumors‚ trauma‚ infections and central nervous system diseases. Bell’s palsy is thought to result from a Herpes Simplex Virus (HSV) infection involving the facial nerve and remains. It will affect about 1 in 60 people during their lifetime. Men and women are equally affected
Premium
NITROGEN CYCLE IN SURFACE WATER BODIES by: yusra shamsudin 1.0 Nitrogen Nitrogen is very essential to all living matters especially to plant‚ animal and human. The source of nitrogen is from the atmosphere and it is exists as a molecule composed of two atom of nitrogen that is bonded together by triple bond. Figure 1: Nitrogen Source: anyone4science.blogspot.com 2.0 Nitrogen Cycle Nitrogen cycle is the transformation of nitrogen from one form to another. For living organism
Premium Nitrogen Ammonia
Unit 22 ICO2 Causes and Spread of infection Introduction The aim of this workbook is to allow you to present evidence for the criteria listed below. Your assessor will ask you to consider your job role and experience in your workplace to answer the questions contained within this assignment. Your assessor will assess your answers and provide you with feedback. Unit Summary This unit is aimed at those who work in health or social care settings or with children or young people in a wide range
Premium Bacteria Infection Immune system