Tumour suppressor Samenvattingen, Aantekeningen en Examens

A LEVEL BIOLOGY: 25 Mark essays With Complete Solutions The importance of shapes fitting together in cells and organisms *Enzyme properties and digestion *Antigens, antibodies, B cells & T cells *Structure of DNA *DNA replication *Transcription and translation *Restriction enzymes *Muscle contraction *Action potentials and synaptic transmission *Control of blood glucose concentration How bacteria can affect the lives of humans and other organisms *Pathogens *Resistance to anti...

Explain how the structure of DNA is related to its functions (6 marks) - answer-- sugar-phosphate (backbone)/double stranded/helix so provides strength/stability/protects bases/protects hydrogen bonds - long/large molecule so can store lots of information - helix/coiled so compact - base sequence allows information to be stored/ base sequence codes for amino acids/protein - double stranded so replication can occur semi-conservatively/strands can act as templates/complementary base pairing/A-...

A-level BIOLOGY 7402/2 Paper 2 Mark scheme June 2021 Version: 1.0 Final *216a7402/2/MS* MARK SCHEME − A-LEVEL BIOLOGY − 7402/2 − JUNE 2021 Downloaded by: BetterAcademics | Distribution of this document is illegal Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevantquestions, by a panel based on subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate within and ...

SPECIMEN MATERIAL AQA Biology A-Level Paper 2 Specimen QP A-level BIOLOGY (7402/2) Paper 2 Specimen 2014 Session Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the bottom of this page. • Answer all questions. Information • The marks for questions are shown in brackets. • The maximum mark for this pape...

Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. A-level BIOLOGY Paper 2 Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill within the boxes at the top based on this page. • Answer all questions. • You must answer the questions within the ...

Suggest the advantages of the change in blood flow in blood vessels during exercise. [3 marks] - answer--more blood flow to muscles during exercise -supplying more glucose and oxygen/ removing carbon dioxide/ lactic acid/ heat -for high rate of respiration/ to meet increased demand for energy Explain how microorganisms contributed to the increase in temperature during processing of organic waste. [2 marks] - answer-respiration produces heat explain the advantage of showing the data using...

Suggest the advantages of the change in blood flow in blood vessels during exercise. [3 marks] - answer--more blood flow to muscles during exercise -supplying more glucose and oxygen/ removing carbon dioxide/ lactic acid/ heat -for high rate of respiration/ to meet increased demand for energy Explain how microorganisms contributed to the increase in temperature during processing of organic waste. [2 marks] - answer-respiration produces heat explain the advantage of showing the data using...

DKA onset/charecteristics Omission of insulin and physiological stress Occurs in pt's with T1DM with a rapid onset. DKA Physical symptoms Thirst, dry mouth, Nausea, Vomiting, Abdo pain, flushed dry skin, sunken eyes, fever, polyuria, rapid weak pulse, Kussmaul breathing 00:35 01:13 What is Kussmaul breathing? Deep + Laboured breathing pattern DKA lab findings BGL >13.9mmol, Arterial pH <7.3, Serum + Urine Ketones present, plasma bicarbonate <15 mmol/...

An Essay I completed in my 2nd year of Biomedical Science at a Russell Group University in the UK. I achieved a 1 st Class for this essay.

This document contains a summary for exam 1 of the course 'Oncology' of chapter 2 till 6 from the book 'Molecular biology of Cancer' 4th edition, from Lauren Pecorino. I decided not to include chapter 1, because it is a lot of recap from previous years. I included information obtained from the lectures, but the focus in this summary lies on the book.