Ib biology sl Samenvattingen, Notities en Examens

What is the cell theory? 1. cells are the basic unit of life 2. All living things are made up of cells 3. all cells come from pre--existing cells. What is the difference between the structure of all prokaryotes and all eukaryotes? prokaryotes has a nuclei and eukaryotes has nuclear envelope A cell has cytoplasm, a cell wall, naked DNA and ribosomes. Based on this information, what type of cell could this be? A bacterium Which pair of features is correct for both a human l...

2010 TZ1 2. (a) Glucose and galactose are examples of monosaccharides. State one other example of a monosaccharide. (b) The equation below shows the production of glucose and galactose from lactose. (i) There are several different types of carbohydrates. State which type of carbohydrate lactose is. (ii) State the type of chemical reaction that occurs when lactose is digested into glucose and galactose. (c) Lactase is widely used in food processing. Explain three reasons for converting lac...

IB Biology diagrams SL&HL (received 6 HL biology)

IB BIOLOGY TOPIC 3 GENETICS COMPLETE STUDY GUIDE 2023. HKEXCEL LTD. 1 Topic 3.1 – Genes Genetics x It is the study of variation and inheritance. The basic unit of inheritance is a gene. Gene x A gene is defined as a heritable factor that controls a specific characteristic for an organism, or a section of DNA that codes for the formation of a polypeptide. x A gene occupies a specific position on a chromosome. x A typical animal or plant cell nucleus contains thousands of genes. The ...

IB BIOLOGY TOPIC 6 HUMAN PHYSIOLOGY COMPLETE STUDY GUIDE 2023 HKEXCEL LTD. 1 Topic 6.1 – Digestion and absorption The human digestive system  The parts of the human digestive system are as follows:  Mouth: Ingestion and chewing of food particles. Saliva is secreted in the mouth which contains the enzyme salivary amylase. This enzymes breaks down amylose (starch).  Esophagus: Swallowing the chewed food.  Stomach: Firstly, the stomach secretes pepsin which starts the dige...

The Documents provide a good resource for quick revision and will help with IB Biology HL or SL

IA for Bio HL Topic: Testing the Impact of Temperature on the rate of Ultra-High-Temperature Milk Spoilage Overall Score of 7

Question bank from past papers for chapter 2,4,6,11 Questions and Answers (mark scheme)

This document explains in proteins in great detail, which may be simple but is a very complicated concept. The document includes class notes in black and syllabus notes in red. There are also links to past papers and practice questions. The SL and HL topics are both there. I recommend reading over the paper before an exam for revising.

Hershey & Chase experiment Experiment target: T2 Bacteriophage (a kind of virus, containing DNA and a protein coat) & E.Coli bacteria How does virus work? • Virus injects their genetic material into cell • Non-genetic part of the virus (protein coat) remains outside the cell • Infected cell produces large amount of viruses based on the genetic material in the cell • The cell bursts releasing copied viruses Experimental methodology: • Amino acid containing radioactive isotopes ...