Specialised cells - Study guides, Revision notes & Summaries

IB Biology Paper 2 Section B Questions and Answers Already Passed Draw a labelled diagram of the human adult male reproductive system. [5 marks] a. scrotum - shown around testes; b. testes/testis/testicles - shown inside scrotum; c. epididymis - shown adjacent to testis and connected to sperm duct; d. sperm duct/vas deferens - double line connecting testis/epididymis to urethra; e. seminal vesicle - sac shown branched off sperm duct (not off the urethra); f. prostate gland - shown positi...

What is the name of the process by which cells become specialized for a particular function from stem cells differentiation Explain what tissues are a collection of specialised cells Explain what an organ is a collection of tissues performing specific physiological functions what is the difference between to ribosomes in a prokaryote and a eukaryotic cell prokaryotes - 70s ribosome eukaryote - 80s ribosome Describe the function of the nucleolus Produces ribosomes and RNA Describe...

Active transport The movement of substances from a more dilute solution to a more concentrated solution (against a concentration gradient) with the use of energy from respiration. Adult stem cell A type of stem cell that can form many types of cells. Agar jelly A substance placed in petri dishes which is used to culture microorganisms on. Cell differentiation The process where a cell becomes specialised to its function. Cell membrane A partially permeable barrier...

AQA GCSE Biology - Paper 1 Questions And Answers Graded A+. What does a nucleus do? - correct answer. It contains genetic material and controls the activities of the cell What does cytoplasm do? - correct answer. It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - correct answer. It holds the cell together and controls what goes in and out What do mitochondria do...

AQA GCSE Biology - Paper 1 Exam Questions With 100% Correct Answers What does a nucleus do? - answerIt contains genetic material and controls the activities of the cell What does cytoplasm do? - answerIt's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - answerIt holds the cell together and controls what goes in and out What do mitochondria do? - answerThese are where most of the r...

AQA GCSE Biology - Paper 1 Exam Questions With 100% Correct Answers What does a nucleus do? - answerIt contains genetic material and controls the activities of the cell What does cytoplasm do? - answerIt's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - answerIt holds the cell together and controls what goes in and out What do mitochondria do? - answerThese are where most of the r...

AQA A-Level Biology Paper 1 Predicted Paper 2023 attached with markingscheme Name …………………………………………………………………… Date ………………… 2 hours allowed. You may use a scientific calculator and a ruler with millimetre measurements. Grade boundaries These are VERY rough guesses! Getting a B on this paper does not guarantee you the same mark in the exam. • A* 65% • A 55% • B 45% • C 40% • D 35% • E 30% ...

What does a nucleus do? - correct answer It contains genetic material and controls the activities of the cell What does cytoplasm do? - correct answer It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? - correct answer It holds the cell together and controls what goes in and out What do mitochondria do? - correct answer These are where most of the reactions for aerobic respiratio...

AQA GCSE Biology - Paper 1 Rated A+ What does a nucleus do? ️It contains genetic material and controls the activities of the cell What does cytoplasm do? ️It's a gel-like substance where most of the chemical reactions happen. It contains enzymes that control these chemical reactions What does a cell membrane do? ️It holds the cell together and controls what goes in and out What do mitochondria do? ️These are where most of the reactions for aerobic respiration occur. Respirat...

HUBS 191 FINAL EXAM ACTUAL QUESTIONS AND CORRECT ANSWERS WITH COMPLETE SOLUTION. 2024/2025 Name the four basic types of tissue Connective tissue, epithelial tissue, muscle tissue and nervous tissue. Why do the four types of tissues have different structures and function? They are made up of different kinds of cells. They have different things that make up the extracellular matrix. They have varying amounts of extracellular matrix. Types of connective tissue Connective tissue proper - Lo...