Ib biology unit 2 - Study guides, Class notes & Summaries

IB Biology Unit 2 Exam Questions With Answers...

IB Biology Unit 3 Biochemistry Packet #2 Questions With Complete Solutions

IB Biology semester 1 Latest Version Graded A+ Cells Smallest functional unit of an organism What are the principles of cell theory? 1. All living things are made of cells 2. Cells are smallest unit of life 3. Cells come from pre-existing cells What are the properties of life? Metabolism Reproduction Growth Response Excretion Homeostasis Nutrition Prokaryotic cells Single cell which has neither a distinct nucleus or organelles can be an organism (e.g. bacteria) Flage...

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 - Unit 2 - Molecular Biology Exam Questions and Answers (Latest Update 2023) Verified Answers (Actual Paper)

IB Biology Unit 1 (Cell Biology - SL) Latest Update Graded A+ Cell Theory all living things are made up of cells, all cells come from previous cells, the cell is the basic fundamental unit of life Functions of life that the cell must carry out -Nutrition: obtaining food, to provide energy and the materials needed for growth - Metabolism: chemical reactions inside the cell, including cell respiration to release energy -Growth: an irreversible increase in size -Response: the ability ...

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...

IB Biology HL Questions and Answers Already Passed What are the characteristics common to all forms of life? reproduction, carbon, responds to surroundings, Growth and Development, cellular organization, and energy What are the levels of biological organization from simple to most complex? Molecules, cell, tissue, organ, organism, population, community, ecosystem, biosphere What are the 4 most common types of biological molecules? Proteins, nucleic acids, carbohydrates, and lipids...

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 1.1 Latest Version with Complete Solutions Cell Theory 1. All living things are composed of cells and cell products 2. New cells are formed only by the division of pre-existing cells 3. The cell contains inherited information that are used as instructions for growth, functioning, and development 4. The cell is the functioning unit of life; all chemical reactions of life take place within cells 7 functions of life: 1. Nutrition 2. Metabolism 3. Growth 4. Response to S...