Science Test- Biology

Descripción

Science bio revision
Finley Kean
Fichas por Finley Kean, actualizado hace más de 1 año
Finley Kean
Creado por Finley Kean hace alrededor de 7 años
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Resumen del Recurso

Pregunta Respuesta
What is Bio mimicry? Is Innovation within nature, mimicking nature to make our lives better
What is Nanotechnology Is the branch of tech that deals with dimensions and tolerances of less than 100 nanometres, especially the manipulation of singular atoms and molecules
What is Bio luminescence? Is the biochemical output of light by living organisms
What is Desalination? The removal of salt from water
What is the difference between a plant cell and an animal cell? A plant cell has a cell wall to protect the cell where as an animal cell doesn't
What is a eukaryotic cell? Is any organism whose cells have a nucleus and other organelles enclosed within membranes
What is a prokaryotic cell? are unicellular organisms which don't have a nucleus
What is a stem cell? Are cells that can become different types of specialized cells
What is diffusion? Is the spread of gas particles or any other substance in a solution, resulting in a net movement from a region
What is osmosis? Is the diffusion of liquid molecules from an area of high concentration to an area of low concentration, across a partially permeable membrane
How is magnification calculated? Magnification = measured size/actual size
How is actual size calculated? Actual size = measured size/magnification
A plant cell in a photograph measures 15 mm across. If the actual size of the cell is 0.015 mm, what is the magnification in the photograph? magnification = Measured size/actual size =15mm/0.015 = Magnification = x1000
The nucleus in a photograph of a cell measures 3 mm across. If the magnification in the photograph is × 500, what is the actual size of the nucleus? Actual size = measured size/magnification = 3mm/500 =Magnification = 0.006
What is Mitosis? Is a type of cell division that results in two daughter cells having the same number and kind of chromosomes as the parent nucleus
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