Ib biology topic 1 - Study guides, Class notes & Summaries

Concise study notes from 2022 IB HL Biology. Attained a Level 7 in exam. CORE: Topic 1: Cell Biology Topic 2: Molecular Biology Topic 3: Genetics Topic 4: Ecology Topic 5: Evolution and Biodiversity Topic 6: Human Physiology ADDITIONAL HIGHER LEVEL: Topic 7: Nucleic Acids Topic 8: Metabolism, Cell Respiration and Photosynthesis Topic 9: Plant Biology Topic 10: Genetics and Evolution Topic 11: Animal Physiology

IB Biology Topic 1: Cell Biology Questions and Answers Already Passed What does cell theory state? That cells are the smallest possible unit of life and that living organisms are made up of cells. What are unicellular organisms? Give two examples Unicellular organisms are organisms with only one cell, such as Paramecium and Chlamydomonas. In unicellular organisms the one cell carries out all of the functions of life. Why are large organisms multicellular? Because of surface area to ...

IB Biology Topic 1: Cell Biology Latest Update Graded A Cell theory The theory that cells form the fundamental structural and functional units of all living organisms. Differentiation The expression of a particular gene(s) and not others in order for cell specialisation. Emergent properties The idea that the sum of an organism is more than the parts interacting and combining. Living things become more complex as they move (from individual cells to organ systems). Multicellular...

IB Biology Topic 1 Written Exam Questions Correctly Answered. Cell Theory - CORRECT ANSWER 1. All living things are composed of cells 2.The Cell in the fundamental unit of life 3. Cells only arise from pre-existing cells Striated Muscle - CORRECT ANSWER Long Cells, (300 mm), multiple nuclei, questions cell theory Acetate Fungal Hyphae - CORRECT ANSWER challenges idea that cell is a single unit, multi-nucleated, and continuous cytoplasm. Cell walls composed of Chitin giant algae ...

IB BIOLOGY TOPIC 1: CELL BIOLOGY QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

IB Biology SL — Topic 1 • Cell Biology with Complete Solutions Cell theory 1. All living things are composed of cells 2. Cells are the smallest unit of life 3. Cells only arise from pre-existing cells Striated muscle cell Exception to cell theory! → Muscle cells fuse to form fibres that may be very long (>300mm) → Consequently, they have multiple nuclei despite being surrounded by a single, continuous plasma membrane → Challenges the idea that cells always funct...

IB Biology Topic 1 Exam With Complete Solution Graded A+...

IB BIOLOGY SL — TOPIC 1 • CELL BIOLOGY QUESTIONS AND ANSWERS WITH SOLUTIONS 2024

A-level PSYCHOLOGY Paper 3 Issues and options in psychology Time allowed: 2 hours Materials For this paper you must have: • an AQA 16-page Answer Book. You may use a calculator. Instructions • Use black ink or black ball-point pen. • Write the information required on the front of your answer book. The Paper Reference is 7182/3. • In Section A, you should answer all questions. • In Section B, choose one topic. Answer all questions on the topic you choose. • In Section...

IB Biology Topic 4 : Ecology Latest Version Graded A+ Ecology The science of the relationships between organisms and their environments. Organism an individual living thing that uses energy, reproduces, responds, grows, and develops Species a group of similar organisms that can breed and produce fertile offspring Population group of individuals of the same species that live in the same area Community all living, or biotic, things in an area Ecosystem all biotic (living) and...