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BIOLOGY Y11 Patterns in Nature CLOZE PASSAGE No 1 The Microscope and Cells Complete the following sentences using appropriate words or short phrases a) A microscope with 1 eyepiece is called a ………………………… microscope Monocular b) The ability to see fine detail or distinguish between 2 points is called Resolving power or resolution c) The lenses that attach to the revolving nose piece are called Objective lenses d) An eyepiece of 10X and an objective lens of 40X will produce a magnification of 400X e) A specimen is placed on the ………………….of the microscope for viewing Stage f) When first viewing a slide do you focus using high or low power Low g) When staining potato cells a suitable stain would be Iodine h) The theory that states all living matter is composed of small units called cells The Cell Theory i) Name the scientists that formulated this theory Schleiden and schwann j) Name the scientist who constructed the first compound microscope Janssen k) Robert Hook is famous for observing the first cells under a microscope. Name these cells Cork cells l) Who built the first electron microscope Ernst Ruska m) The picture taken by an electron microscope Electron micrograph n) Type of electron microscope that produces a 3D image Scanning o) Plant cells have a cell w……………… made of c………………… Wall, cellulose p) The jelly like material inside the cell cytoplasm q) Small green organelles found in plant cells Chloroplasts r) The green pigment found in these organelles Chlorophyll s) A water filled sac mainly found in plant cells Vacuole t) The part of the cell containing DNA and chromosomes Nucleus u) An organelle found in both plant and animal cells that is the site for aerobic respiration Mitochondria v) The internal folds of this organelle is called the …………….. Christae w) Responsible for storage, packaging and despatch of chemicals in a cell Golgi apparatus x) A communication network of membranes in a cell Endoplasmic reticulum y) The dark stained area within the nucleus Nucleolus z) The name of the coin like stacks of membranes in a chloroplast Grana
