Aqa stuvia - Study guides, Class notes & Summaries

AQA-A-level Psychology Paper 1 Questions & Answers(GRADED A) AQA-A-level Psychology Paper 1 Questions & Answers(GRADED A) AQA-A-level Psychology Paper 1 Questions & Answers(GRADED A) AQA-A-level Psychology Paper 1 Questions & Answers(GRADED A) AQA-A-level Psychology Paper 1 Questions & Answers(GRADED A) AQA-A-level Psychology Paper 1 Questions & Answers(GRADED A) AQA-A-level Psychology Paper 1 Questions & Answers(GRADED A) AQA-A-level Psychology Paper 1 Questions & Answers(G...

A general statement on what the researcher intends to investigate - ANSWER What is an Aim? A clear, precise, testable statement that states the Relationship between the Variables to be investigated - ANSWER What is a Hypothesis? A hypothesis that states the direction of the outcome of the experiment - ANSWER What is a Directional Hypothesis? A hypothesis that doesn't state the direction of the outcome of the experiment - ANSWER What is a Non-Directional Hypothesis? Making variables ...

Benedict's test - ANSWERWhich food test is heated in a water bath? Sucrose - ANSWERWhich disaccharide is not a reducing sugar? Test for non-reducing sugars - ANSWERAdd acid. Neutralise. Add Benedicts. Heat. Hydrolysis - ANSWERReaction performed by dilute HCl in the non reducing sugar test. Glucose + fructose - ANSWERDuring the non-reducing sugar test what is sucrose hydrolysed into? Alpha - ANSWERWhich type of glucose makes up starch? amylose and amylopectin - ANSWERNames of t...

Gender bias: psychological theory/research not accurately represent experience/behaviour of men + women Alpha bias: differences exaggerated, devalue women E.g. Freud = genuine psychological differences due to physiological differences Girls suffer from 'penis envy', femininity is failed masculinity Beta bias: differences minimised, needs of women ignored E.g. fight or flight research = male only sample, assumed would be applicable, Taylor et al: tend and befriend (governed by oxytocin...

AQA JUNE 2022 GCSE STATISTICS 8382/2H Higher Tier Paper 2 FINAL MARK SCHEME>STUVIA

large molecules often contain carbon. why? - ANSWERthey can readily form bonds with other carbon atoms. this forms a 'backbone'. other atoms can then attach. describe benedicts test for reducing sugars - ANSWERadd equal volumes of the sugar sample and benedicts reagent. heat the mixture in a water bath for 5 minutes. brick red precipitate will form. what is a reducing sugar? - ANSWERa sugar that can reduce (give electrons to) another chemical. describe the benedicts test for non red...

________________________________________ Explain why plasma membranes are said to have a fluid mosaic structure. - ANSWER1. Fluid because the phospholipids are constantly moving. 2. Mosaic because the proteins are scattered throughout the membrane-like tiles in a mosaic. What effect does cholesterol have on the cell membrane? - ANSWER1.Cholesterol molecules fit between the phospholipids and bind to the hydrophobic tails of the phospholipids. 2.Causes them to pack together more closely, restr...

central executive - ANSWER-- acts as a filter to determine what information is received - limited capacity - baddeley found participants couldn't type letters and numbers on a keyboard whilst speaking random numbers - limited research phonological loop - ANSWER-- stores verbal information - divided into: - acoustic store: holds words heard - articulatory process: holds words heard and repeats them visuo-spatial sketchpad - ANSWER-- stores visual and spatial information - divided in...

Describe the relationship between the size of an organism and its SA:V ratio - ANSWERSmaller organisms have high SA:V ratios Larger organisms have low SA:V ratios What adaptations do some organisms have for exchange (in terms of SA:V ratio)? - ANSWERThe flattened shape so that no cell is ever far from the surface. The specialised exchange surfaces with large areas to increase the SA:V ratio ---> lungs in animals, gills in fish etc. What is the relationship between SA:V ratio and metabo...

What is obedience? - ANSWER A form of social influence in which an individual follows a direct order from a figure of authority. What was Milgram's (1964) study? - ANSWER Milgram (1964) sought an answer to why such a high proportion of the German population obeyed Hitler's commands to murder over 6 million Jews in the Holocaust and other social groups during WW2. Procedure: 40 US men were given the role of TEACHER through a fixed draw - ordered to administer (fake) electric shocks to LEA...