If practitioners require the full integrated question, they should refer to the original past paper on the SQA website.Past paper questions for the other two National 5 Units, Multicellular Organisms and Life on Earth, are also available from Education Scotland’s National Qualifications Glow portal: and paste link into your browser).
If practitioners require the full integrated question, they should refer to the original past paper on the SQA website.Past paper questions for the other two National 5 Units, Multicellular Organisms and Life on Earth, are also available from Education Scotland’s National Qualifications Glow portal: and paste link into your browser).Tags: How To Solve Exponent ProblemsApa Style For Research PaperSample For Research PaperSteps Of A Research ProposalResearch Paper Topics On DrugsDaily Assignment SheetSimple Essay Format
(iii) What would happen to the mass of the model cell during the two hour period? Mass of model cell Explanation Question 4 (a) i ii Acceptable Answer iii Increase water moves in Diffusion too large to fit/pass through the pores/pass through water moves from high water concentration to low / down (water) concentration gradient/ water moves by osmosis/diffusion Not acceptable Negates Mark Osmosis 1 Insoluble Selectively permeable Through cell wall 1 1 HWC 1 Producing new cells St Gr.
2011 Q8 (c) & (d) (c) The following is a description of the stages of mitosis.
It was placed into a beaker of water and left for two hours.
1 Marks (a) i, ii & iii (i) Amino acids were detected in the water outside the model cell. (ii) Why would no starch be detected in the water outside the model cell?
The beads were then left in a beaker of cloudy protein suspension for 20 minutes.
Sqa Biology Intermediate 2 Past Papers Cengage Homework
The contents of the beaker became clear as the protein was digested.National 5 Biology Relevant Past Paper Questions from SQA Standard Grade Credit and Intermediate 2 papers Unit 1: Cell Biology March 2014 Transforming lives through learning N5 Biology Past Paper Questions This resource has been produced in response to the requests from practitioners who attended the National Qualifications Sciences events at Hampden Stadium in December 2013 which Education Scotland organised in partnership with the SQA.The questions in this resource relate to the Cell Biology Unit for National 5 Biology and have been taken from the 2011, 20 Standard Grade and Intermediate 2 Past Papers.(ii) Explain why the animal cell would stay the same size when it is placed in an isotonic solution.Question 1 (b) i ii Acceptable Answer Not acceptable Negates Vacuole/cytoplasm shrunken Membrane/cytoplasm pulled away from wall/cytoplasm concentrated Plasmolysed/flaccid no net water movement/ equal water/osmosis in and out Equal (water/salt) concentration inside and out/ no concentration gradient Other single words eg shrunken Plasmolysis Nothing happens Water does not move in or out Solution moving It/cell shrinks Mark 1 1 Any reference to cell wall Water/salt equal Int 2 2013 B Q4 2 A model cell was made using a visking tubing bag filled with a starch and amino acid solution.Education Scotland would like to acknowledge the support of the SQA in helping us produce this resource.We hope it proves helpful to practitioners across Scotland and assists with the implementation of the national qualifications.Mark s Complete the table below to show the names and functions of some of these labelled parts.Question Answer Photosynthesis/makes food 1 (a) Traps/absorbs/takes in light Contains chlorophyll vacuole controls/allows/lets/entry and exit (of materials) All 3 = 2 marks 2/1 = 1 mark Unacceptable Negates Marks Selectively permeable One direction only Protects/holds cell together Decides/chooses things 2 Transport across cell membranes St Gr.For Cell Biology (Unit 1), the mandatory course key areas are as follows: • Cell Structure • Transport across cell membranes • Producing new cells • DNA and the production of proteins • Proteins and enzymes • Genetic Engineering • Photosynthesis • Respiration In cases where the questions relate to more than one of the National 5 Units, the constituent parts of the question have been separated into their respective key areas.The stem of the question has been retained to give the context of the question.