GCSE biology paper 1 Questions and Answers | 100% Correct | Verified and Updated

GCSE biology paper 1 Questions and Answers | 100% Correct | Verified and Updated What are the two main types of cell - Answer️️ -Prokaryotic Eukaryotic Which cells are prokaryotic - Answer️️ -Bacteria What cells are eukaryotic - Answer️️ -Plant animal and fungal What are the differences between the two types of cells - Answer️️ -Prokaryotic cells are smaller in size Prokaryotic doesn't have a nucleus The genetic material is in a single dna loop or small rings called plasmid What are plasmids - Answer️️ -Loops of dna that can be transferred from one cell to another Where are proteins made in a cell - Answer️️ -Ribisomes What is the function of the cell sap - Answer️️ -Supports the plant How do you calculate magnification - Answer️️ -Image size Over Actual size How may pairs of chromosomes do we have - Answer️️ -23 What are the stages of mitosis - Answer️️ -Parent cells with two pairs of chromosomes Each chromosome replicates Chromosomes line up I'm the centre and are pulled by spindle fibres to opposite poles Genetically identical daughter cells Why is mitosis important - Answer️️ -Be aside it makes new cells for growth and development Repairs damaged tissues Asexual reproduction What are stem cells - Answer️️ -Undifferentiated cells they have not yet become specialised Where are stem cells found? - Answer️️ -Human embryos, umbilical cord What are stem cells found in human embryo called - Answer️️ -Embryonic stem cells What type of cells can embryonic stem cells make - Answer️️ -All types of cells We're are adult stem cells found - Answer️️ -Some organs and tissues What cells can adult stem cells make - Answer️️ -They can only make certain types of cells Uses of stem cells - Answer️️ -Treating conditions where cells are damaged or not working properly Diabetes Paralysis Replace damaged cells What is therapeutic cloning? - Answer️️ -A cloned embryo of patient made and used as a source of stem cells Why are some people against stem cells - Answer️️ -They may risk a transfers of viral infection Ethics, or religious objections Where are stem cells found in plants - Answer️️ -Meristems What is diffusion - Answer️️ -The movement of particles from an ar