AQA A-Level Biology Exams Full Solution Pack Questions and Answers 100% Pass

AQA A-Level Biology Topic 1: Biological Molecules (2022/2023) Already Passed What are monomers? Monomers are *small units* which are the components of larger molecules. What are polymers? Polymers are molecules made from *many monomers* joined together. What are examples of monomers? *Monosacch...

AQA A level Biology - Topic 6 - survival and response questions and answers already passed What is a stimulus? A change in the environment of an organism What is a tactic response? Directional movement in response to a stimulus What is a kinetic response? Non directional random movement in resp...

AQA A Level Biology Unit 1 Questions and Answers Rated A+ How do biological molecules provide evidence for evolution? They all have similar molecules and use the same amino acids and DNA. What are monomers of carbohydrates called? Monosaccharides. Beta Glucose Alpha glucose Glucose formula ...

AQA A level Biology topic 7 Latest 2023 Graded A+ What is a dominant allele? Allele which is always expressed in the phenotype even when theres only one copy of it What are recessive alleles? Alleges that only appear in the phenotype if 2 copies are present What are codominant alleles? Alleles ...

AQA A level Biology - Topic 2 (2022/2023) Rated A+ What are the 2 main types of organism? Eukaryotes and prokaryotes What cells are eukaryotic? Animal, plant, algal, fungal Name the 11 organelles in an animal cell 1. Cell surface membrane 2. Rough endoplasmic reticulum 3. Smooth endoplasmic re...

AQA A Level Biology 4/5/6 mark questions (2022/2023) (Certified Answers) Many different substances enter and leave a cell by crossing its cell surface membrane. Describe how substances can cross a cell surface membrane. (5) 1 (Simple / facilitated) diffusion from high to low concentration / do...

AQA A-level Biology paper 1 Questions and Answers Graded A+ large molecules often contain carbon. why? they can readily form bonds with other carbon atoms. this forms a 'backbone'. other atoms can then attach. describe benedicts test for reducing sugars add equal volumes of the sugar sample an...

A2 AQA Biology Topic 5 Already Passed Glucose C6H12O6 - a single sugar which is produced in photosynthesis. ATP An activated nucleotide found in all living organisms, which is produced during respiration and acts as an energy carrier. ATP is produced during the light-dependent reaction of photo...

Biology AQA A level common questions latest 2023 with complete solutions give two factors other than age and gender that would affect the concentration of creatinine in the blood ? muscle/ body mass ethnicity Explain how the cells of the collecting duct are able to absorb water from the filtrat...

AQA A-Level Biology. 3.2 – Cells Questions and Answers Already Passed Structure of Nucleus. 1. Nuclear envelope: double membrane surrounding nucleus, outer membrane continuous with the (R)ER of the cell. 2. Nuclear pores: allow the passage of larger molecules, such as mRNA, out of the nucleus....

AQA A-Level Biology, Chapter 10, Biodiversity Questions and Answers Rated A+ What is classification? The organisation of living organisms into groups What is a species? The basic unit of classification, a group of organisms that have similar characteristics and are capable of breeding to prod...

AQA A-Level Biology Topic 3 Already Passed Why are Microorganisms able to perform exchange via their surface? • have a large surface area to volume ratio • have a short diffusion distance • have low demand How do Microorganisms Obtain Nutrients & Remove Waste? • by exchange via their s...

AQA A-Level Biology - Topic 3 (2022/2023) with Verified Answers Smaller organisms have a ........... surface area to volume ratio Higher How do single called organisms exchange substances? Diffuse directly into or out of the cell across the cell surface membrane Give 2 reasons why in multicellu...

AQA A-Level Biology – Enzymes Questions and Answers 100% Pass Activation Energy The minimum energy required for successful collisions to result in a reaction Enzyme Function Lowers the activation energy for a reaction to start, behaves as a catalyst Enzyme Structure Globular proteins that h...