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14 mar 2022 · This is a collection of free biology worksheets, notes, handouts, slides, study guides and quizzes. Most content targets high school, AP biology, genetics, anatomy/physiology, immunology, and biology 101 and 102 in college. There is also biochemistry and physics for biologists.
23 kwi 2022 · Last updated. 23 April 2022. Diffusion & Facilitated Diffusion. Diffusion is a type of transportation that occurs across the cell membrane. It can be defined as: The net movement, as a result of the random motion of its molecules or ions, of a substance from a region of its higher concentration to a region of its lower concentration.
These A Level Biology information sheets cover the structures & functions of the main cell organelles. Great for activities & displays! A5, A4, and A3 PDFs.
Summary notes and past exam questions by topic for AQA Biology AS and A-Level Topic 2 - Cells.
Function Cards. Captures energy from the sunlight and uses it to produce food in a plant cells. Receives proteins & materials from the ER, packages them, & distributes them. Controls what comes into and out of a cell; found in plant and animal cells.
19 mar 2022 · Active transport moves ions and molecule against the concentration gradient (from lower to higher concentration), while passive transport moves chemicals from higher to lower concentration. Together, these processes transport oxygen, water, ions, nutrients, and waste products across plasma membranes.
29 sie 2024 · Here are some printable posters you can use as visual memory aids to support students’ revision. Biology: plant structure, photosynthesis, and plant vs. animal cells. Chemistry: reactions, reactivity, and hazard symbols. Physics: properties of waves and the electromagnetic spectrum.
