Tag: Biology

Biology Revision

Majeed Thaika Year 10-11  Contents 1 Cells  pg-05 -Animal and plant cells (pg-05) -Specialised cells (pg-06) -diffusion (pg-07) -osmosis (pg-08) 2 Plants . pg-09 -photosynthesis (pg-09) -Factors affecting photosynthesis (pg-10) -Plants and minerals (pg-11) 3 Food Chains and Cycles pg-12 -Food chain (pg-12) -Energy transfer (pg-13) -Pyramids of biomass (pg-15) -efficiency of food production (pg-15) …

Biology Midterm

Midterm Study Guide Answers 1. A hypothesis is an explanation of observations. “If the floor is wet, I will slip. ” 2. A controlled experiment is when only one variable is changed. 3. If the plant you are experimenting with has a disease that is an unavoidable experimental error. 4. An enzyme speeds up reactions …

Biology Chapter 19

1. Viruses can vary with respect to all of the following characteristics except _____. ( Overview) Your Answer:| the presence or absence of a membranous envelope | | Correct Answer:| the presence or absence of metabolic machinery | |   No. This is a difference among viruses. 2. A microbiologist analyzes chemicals obtained from an …

Microbiology Research Paper

Melissa Babajko Microbiology 214BA Dr. May June 6, 2012 Staphylococcus aureus- Is a facultative anaerobic, Gram-positive, salt positive, cocci shaped bacterium. Staphylococcus aureus is found as normal part of the skin floral in the nasal passages and on the skin. An estimated twenty percent of people naturally have harmless Staphylococcus aureus on their skin and …

Human Biology Unit 1 Organelle Structure and Function

[pic] ASSIGNMENT GUIDELINES |Theme and Unit title: Human Biology |Student Name: | |Unit 1 – Cells and Tissues | | |Title of assignment: Assignment 1: Short answer question paper- in class/open book examination. | |Date issued: Week 2 – w/c 13. 09. 10 |Submission date: Week 6 w/c 11. 10. 0 | | | | …

Ib Biology Hl

Is the neural pathway significantly longer for a visual stimulus or a sound stimulus (or a pressure stimulus) Data collection and processing Table 1a: Data collected by John Rha and Arthur Hamilton by dropping ruler for calculation of length of the neural pathways (Visual, Auditory and Sensual) Trial#| Visual| Auditory(Sound)| Sensual(Pressure)| | (cm±0. 1cm)| (cm±0. …

Biology Osmosis Observation

Biology laboratory work: Osmosis observation Measuring the dependence of net mass gain in potato pieces on concentration of sugar solution By Jonas Kulikauskas Siauliai Didzdvaris Gymnasium Hypothesis: The more sugar in solution, the more potato mass will decrease. Aim: To see how potato mass will change at different concentration solution. Research question: How the mass …

Biology Lab

Lab  #1  ? Introduction  to  the  Microscopy  & Observation  of  Prokaryotic  and  Eukaryotic Cells Introduction Many  of  the  cells  and  organisms  that  you  will  be  studying  are  at  the  lower  limits  of  visibility  of  light  microscopes;  therefore,  it  is  extremely  important  that  you  attain  critical  lighting  and  focussing. It  is  also  important  to  handle  the  …

Biology A2

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Level * 2 3 0 8 9 6 9 9 7 3 * BIOLOGY Paper 5 Planning, Analysis and Evaluation Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all …