AQA BIO 2023

AQA A-Level Biology – Proteins Clearly Explained 2023Amino Acid - ANSWER A monomer that will join with other amino acids to form a protein Dipeptide - ANSWER Two amino acids bonded together via a peptide bond Polypeptide - ANSWER Many amino acids bonded together via peptide bonds Protein ...

AQA A level Biology Test And Answers 2023Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] - ANSWER ,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick...

AQA AS level biology exam Well Solved 2023 What are the three ways a pathogen can damage hosts cells? - ANSWER 1) rupturing them to release nutrients inside them 2) breaking down nutrients inside the cell for their own use. This starves and eventually kills the cell. 3) replicating inside the cel...

AQA A level Biology Question And Answer 2023 Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] - ANSWER ,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C ...

AQA A LEVEL BIOLOGY Complete Test 2023the krebs cycle takes place in the _______ of the ___________ - ANSWER matrix mitochondria epistasis - ANSWER arises when the allele of one gene affects or masks the expression of another in the phenotype autosome - ANSWER a chromosome that is not a sex ch...

AQA A-Level Biology Paper 1 Critical Questions 2023Describe the role of a ribosome in the production of a polypeptide. /3 - ANSWER 1. mRNA binds to ribosome; 2. Idea of TWO codons/binding sites; 3. tRNA with ANTICODONS binds; 4. (Catalyses) formation of PEPTIDE bond between AMINO ACIDS (held by t...

Biology Aqa A level common Test/Questions 2023give two factors other than age and gender that would affect the concentration of creatinine in the blood ? - ANSWER muscle/ body mass ethnicity Explain how the cells of the collecting duct are able to absorb water from the filtrate through the prote...

AQA A Level Biology Revised Test : Year 2- Nervous Coordination 2023What is the value of the resting potential of a neurone? - ANSWER -70mV Why is the resting potential of a neurone negative? - ANSWER There are more positive ions outside the cell than inside How is the resting potential mainta...