Grade 11 Unit 4 Flashcards
T/F
Osmosis is responsible for everyday life phenomena
T
T/F
Size of a cell changes by osmosis because of the inflow and outflow of water
T
second lens (the ………) magnifi es the already magnified image produced by the objective lens.
eyepiece
The first compound microscope was made in 1595 by the Dutch scientist
Zaccharias Jansen
What’s the use of eyepiece lens?
magnifies the already magnified image produced by the objective lens. However, it also magnifies any ‘aberrations’ or faults in the image
The French biologist …………. concludes that all organisms are composed of cells
Rene Dutrochet
Who discovered the stomata in the epidermis of leaves, the process of osmosis, chlorophyll is needed for photosynthesis to occur, respiration occurs in both animals and plants
Rene Dutrochet
Who is the man who first states the cell theory by recognising that all organisms are made of cells and that ‘all growth occurs because of the increase in volume of cells or by the addition of more little cells
Rene Dutrochet
Who put forward the first clearly stated cell theory
Matthias Schleiden and Theodor Schwann
a German doctor who develops many surgical techniques and promotes several fields of modern medicine
Rudolf Virchow
Who discovered protozoa
Leeuwenhoek
Who described the cell nucleus in cells of an orchid
Brown
Who described mitochondria
Kolliker
Who isolates DNA
Miescher
Who described chromosome behaviour during mitosis
Fleming
correlate the readings of an instrument with a standard
calibrating
……… determines how much activity there is in a cell
volume
The amount of energy that must be released in respiration is therefore decided largely by the …….
volume
membranes of the ………. separate areas of the cytoplasm and allow them to function independently
endoplasmic reticulum
individual structures in a cell with a specific function
organelles
the network of membranes in a cell
endoplasmic reticulum