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Why are colonies that develop on a heavily seeded plate smaller than those that appear on a sparsely seeded plate?
Heavy seeded plates means a agar plate having inoculum in large quantity it is generally done by spreading method with low dilution or concentrated inoculum and is done for the need of large no. of colonies generally in industrial purpose. Sparsely or low seeded plate are those which contain very diluted spreaded inoculum or little streaking inoculum it is generally done for examine and study purpose for understanding the physiology and morphology of microbe.
What is lawn culture of bacteria?
A lawn culture is a type of culturing used in to test the sensitivity of a microorganism. One should spread the active culture evenly across the surface either by covering the surface of the agar with the culture then pouring off the access or by taking a culturing rod and spreading the culture evenly across the surface of the agar, sort of like spreading peanut butter over a piece of toast.
What are the other inoculating instruments aside from needle?
Some other inoculating instruments include loops, spreaders, swabs, and pipettes. These tools are used to transfer and spread microorganisms onto various growth media for cultivation and observation in laboratory settings.
What kind of root system does mint have?
Mint plants have a shallow and spreading root system. They send out runners that grow along the surface of the soil, allowing the plant to spread quickly and become invasive if not contained. It is best to grow mint in containers to prevent it from overtaking your garden.
Is the top of the tongue lateral ventral dorsal facial surface?
Yes. Ventral can mean closer to the abdomen, below or the bottom surface of an object such as ventral surface of the tongue (bottom side).
A consequence of the surface tension of water is what?
capillary action is a common consequence of surface tension.
A consequence of the surface tension of water is?
The surface tension of water is responsible for the cohesive properties it exhibits. For example, capillary action is a consequence of surface tension.
Why loop and cap should not be laid on workbench while transferring inoculum?
To prevent contamination. Once you have flamed your loop and cap, do not lay it down, blow on it, touch it with your fingers, or touch it to any surface other than your inoculum or the sterile media.If you do, you must reflame the loop before proceed to inoculation to re-sterile it again.
What is the definition of spreading?
Distributing over a surface in a layer:
What are the surface effect at a divergent boundry?
sea floor spreading and landslides
What evidence do you see that beach erosion has occurred?
Reducing the surface of the beach is a consequence of erosion.
Which of the following is not a consequence of force A Weight B Surface tension C Gravitational pull D Magnetic force E Electrical force?
Surface tension is not a consequence of force. Surface tension is a property of liquids that arises due to intermolecular forces acting at the surface of the liquid. It is not a force acting on an object.
Why are colonies that develop on a heavily seeded plate smaller than those that appear on a sparsely seeded plate?
Heavy seeded plates means a agar plate having inoculum in large quantity it is generally done by spreading method with low dilution or concentrated inoculum and is done for the need of large no. of colonies generally in industrial purpose. Sparsely or low seeded plate are those which contain very diluted spreaded inoculum or little streaking inoculum it is generally done for examine and study purpose for understanding the physiology and morphology of microbe.
What are the applications of spreading coefficient?
The spreading coefficient is often applied in the field of pharmacy. Film coats are spread over tablets and lotions with mineral oils are spread on skin using surfactants. The spreading coefficient is the difference between the work of adhesion and the work of cohesion.
What is the process called when you place the bacterial sample on the petri dish?
Inoculation is the process were in you will introduce bacterial samples on a nutrient broth or nutrient agar. If the medium you use contain bacteria it is now called inoculum. there are different technique in introducing bacteria in the medium like streaking, spreading, pouring.
What happens to spreading boundaries?
SPREADING ZONES Spreading zone occurs in the border of two tectonic plates. This happens when the plates generally move away from each other creating an opening for the magma to force through the surface.
How does the surfactant reduce surface tension?
Surfactants reduce surface tension by disrupting the cohesive forces between water molecules at the surface, allowing for easier spreading and mixing with other substances.
