Plants
What is the cell organization?
Cell-tissue-organ-organ system-organism
Consist of 2 microscopes in series. First the ocular lens, then objective
Compound microscope
What is a tropism?
The response of an organism to a stimulant
Who first observed cells using a slice of cork?
Robert Hooke
This organelle packages and transports proteins
Golgi apparatus
What's the difference between cohesion and adhesion?
Cohesion is the tendancy of similar particles to cling to one another and adhesion is non similar particles clinging to one another
What does a Microtome microscope do?
Cuts thin slices of material for preparation of samples for observation under transmitted light or electronic radiation
A theory that proposed the production of living organisms from nonlibing matter
Spontaneous generation
Who first observed cells using a microscope?
Anton Van Leewenhoek
Lysosome do what?
Contain digestive enzymes and helps break down food, known as the "suicide sac"
What's the difference between active and passive transport, gI've an example of both
Passive transport is from high to low [ ], such as diffusion or osmosis and activities is from low to high [ ], such as a sodium pump, endo or exocytosis
Electron microscopes do what?
Have high magnification and resolution, it employs electron beams in place of light and uses electron lenses
The nucleus, mitochondria, ribosomes, golgi apparatus, lysosomes and vacuoles are examples of what?
Cell organelles
What did Schwann and Schlieden do?
Propowed than animal and plant tissues were made up of cells
What do ribosomes do?
Make proteins
Equation for photosynthesis
Co2 + h20 --> 02 + c6h1206
Difference between scanning electron microscope and transmitting electron microscope
Scanning scans the surface of a specimen with a beam of electrons that reflect to form an image and transmitting transmits a beam of electrons through a specimen to form an image.
What is the cell theory?
-all living organisms are made up of one or more cells -smallest functional unit of life -all cells come from other cells
Catabolism vs anaboyism
Catabolism is the breakdown of complex molecules to form simpler ones and anabolism is the combination of complex molecules to form simpler ones.
This organelle makes energy out of food (ATP)
The mitochondria
What are some characteristicsuggestions that could be different for leaves in adry climate, and leaves in a wet climate.
Leaf size (bigger in wet), stomata (closed in dry), amount of leaves (fewer in dry), cutin thickness (thin in wet, thick in dry), growth (disrupted in dry)
Confocal microscope
Increases optical resolotion and contrast. Uses a spatial pinhole to block out of focus image formation
What's the difference between a carrier protein and and a channel protein
A cHanne
allows transport of some across the membrane, by having a shape that only allows certain ones through, and carrier proteins have receptors that bind to specific substances across the membrane
What is PMAT, and describe the stages
Prophase (membrane begins to beak down) metaphase (chromosomes align in the cells middle) anaphase (chromosomes split and are moved to seperate ends of cell) telophase (formation of 2 nucleuses, cell splits into two)
What does st he stomata do, what controls it and how?
The stomata are openings on the lower epidermis of the leaf that allow certain things in, suck as co2 and is opened and closed by guard cells, guard cells swell to open it and shrink to close it