Specialised cells - Study guides, Revision notes & Summaries

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 Topics 1-4 Name the main organelles in an animal cell: ️> nucleus > cytoplasm > cell membrane > ribosomes > mitochondria What organelles does a plant cell have but animal cell doesn't? ️> chloroplast > cell wall > vacuole What organelles does a Bacteria cell have? ️> no nucleus > circular strand of DNA > rings of plasmid > cell wall > cell membrane What is a eukaryotic cell? ️A cell that c...

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...

Fill in the gaps: single-celled yeasts reproduce by ____ and bacteria reproduce by ____. - ️️Single-celled yeast reproduce by budding and bacteria reproduce by binary fission. Define clones. - ️️Genetically identical organisms or cells. Define vegetative propagation. - ️️Reproduction from vegetative parts of a plant - usually an over-wintering organ. The artificial production of natural clones for use in horticulture and agriculture. (reproduction that does not take place thr...

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...

AQA GCSE Biology - Paper 1 exam 2024 latest update graded A+ What are muscle cells specialised for and how are they specialised? - ANSWER>>>Contraction - they need to contract quickly -They are long so they have space to contract -They contain lots of mitochondria to generate the energy needed for contraction What are root hair cells specialised for and how are they specialised? - ANSWER>>>Absorbing water and minerals -They are cells on the surface of plant roots which grow i...

HUBS 191 FINAL EXAM QUESTIONS AND ANSWERS 100% SOLVED 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 - Loose connective tissue which keep...

Biology paper 1 GCSE AQA (Triple) Graded A Differentiation ️Process by which a cell changes to become specialised for its job eukaryotic cells ️complex and includes all animal and plant cells prokaryotic cells ️Smaller and simple, single-celled organism nucleus ️contains genetic material that controls the activties of the cell mitochondria ️where the reactions for aerobic respiration takes place cytoplasm ️gel-like substance where most of the chemical reactions happen c...

What does a nucleus do? - answer It contains genetic material and controls the activities of the cell What does cytoplasm do? - 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? - answer It holds the cell together and controls what goes in and out What do mitochondria do? - answer These are where most of the reactions for aerobic respiration occur. Respiration transfers...

Cell theory - Answer States that new cells are formed from existing cells and that the cell is a fundamental unit of structure, function and organisation in all living organisms. it is considered a unifying concept in biology Cells, tissues and organs - Answer In complex organisms, cell are organised into tissues, tissues into organs, organs into systems e.g. animal↓ muscle cell → muscle → heart → circulatory system specialised cell → tissue → organ → system xylem vesse...