Biology Study guides, Class notes & Summaries

AQA as biology 2019 paper 1

This document contains all the answers to every possible extended response question for the IB Biology HL exam. By studying this document, you will have learned all the required information for the final exam.

A summary of IB Biology Unit 5 Evolution (specifically for Standard Level). Organised according to IB syllabus statements.

Question Answered step-by-step A 69-year-old male patient presents to the department of emergency... A 69-year-old male patient presents to the department of emergency medicine at a local hospital with a fever, cough and low blood pressure . He had a dual kidney and liver transplant three months ago and was taking a medicine called tacrolimnus , which suppresses cellular immunity (prevents T-cell activation ) to prevent organ rejection. He was found to have cytomegalovirus (CMV) pneumoni...

GCSE COMBINED SCIENCE: TRILOGY Higher Tier Biology Paper 2H. AQA 2020/2021

GCSE COMBINED SCIENCE: TRILOGY Higher Tier Biology Paper 1H

Define genotype. tion Define genotype. The genetic constitution of an organism. tion Define phenotype. tion Define phenotype. The expression of an organism’s genetic constitution, combined with its interaction with the environment. tion What is an allele? tion What is an allele? Different forms of a particular gene, found at the same locus (position) on a chromosome. A single gene could have many alleles. tion How many alleles per gene do diploid organisms carry? tion Ho...

Student Exploration: Carbon Cycle Vocabulary: atmosphere, biomass, biosphere, carbon reservoir, carbon sink, fossil fuel, geosphere, greenhouse gas, hydrosphere, lithosphere, photosynthesis Prior Knowledge Questions (Do these BEFORE using the Gizmo.) In the process of photosynthesis, plants take in carbon dioxide (CO2) from the atmosphere and water (H2O) from the soil. Using the energy of sunlight, plants build molecules of glucose (C6H12O6) and oxygen (O2). 1. How do plants on Earth affe...