OCR • Biology

2022 AS OCR B Biology Paper 2 Biology in depth MARKSCHEME ONLY, any questions or want to negotiate a price message me

2022 AS OCR B Biology Paper 1 Foundations of Biology MARKSCHEME ONLY, any questions or want to negotiate a price message me

Flashcard style pdf for active recall.

OCR A A level Cell Ultrastructure and Plasma membrane Notes

AS Level Biology B (Advancing Biology) H022/02 Biology in depth 1 Fig. 1.1 shows a prepared slide of onion cells in different stages of mitosis, viewed using a light microscope. A B C Fig. 1.1 (a) (i) Name the stages of mitosis taking place in cells A and B. A ........................................................................................................................................ B ........................................................

AS Level Biology B (Advancing Biology) H022/01 Foundations of biology You should spend a maximum of 25 minutes on this section. Write your answer for each question in the box provided. Answer all the questions. 1 Which option is a short-term effect of a pollutant on the respiratory system? A Asthma attack B Chronic bronchitis C Emphysema D Lung cancer Your answer [1] 2 Herceptin is a drug used in immunotherapy to treat breast cancer. Which of the statements about t...

A Level Biology B (Advancing Biology) H422/01 Fundamentals of biology 1 Stomatal conductance is a measure of the rate of diffusion of water vapour through the stomata of a leaf. Which of the environmental factors would cause an increase in stomatal conductance? A Decrease in temperature B Increase in humidity C Increase in wind speed D Reduced light intensity Your answer [1] 2 The photomicrograph shows a section through the stem of a sunflower, Helianthus annuus. W...

A Level Biology B (Advancing Biology) H422/03 Practical skills in biology Time allowed: 1 hour 30 minutes INSTRUCTIONS • Use black ink. You can use an HB pencil, but only for graphs and diagrams. • Write your answer to each question in the space provided. If you need extra space use the lined pages at the end of this booklet. The question numbers must be clearly shown. • Answer all the questions. • Where appropriate, your answer shoul...

Summary of the key structures and functions of carbohydrates, Lipids and Proteins

Homeostasis, excretion, animal responses, plant responses, photosynthesis, respiration, cellular control, patterns of inheritance, evolution, manipulating genomes, cloning and biotechnology, ecosystem