It is a medium that support the growth of cells or microorganisms. It is usually a liquid or a gel and there are different agar mediums for different types of cells.
Originally called agar-agar, a Malay word for a local seaweed, these seaweeds are found all over the world in areas favorable to their growth. Agar is contained only in few defined areas such as: Gelidium and Gracilaria. Large known natural layers of Gelidium are situated on the Atlantic coasts from south Morocco to south France, whereas those of Gracilaria are localized on the coast of Chili, South Korea, Japan and Argentina.
Bacterial colonies are defined as the assamblage of bacteria growing on a solid surface such as the surface of an agar culture medium, the assemblage often is directly visible, but also may be seen only microscopically.
The medium of communciation for effective library
medium is the matter a wave trvels through
Graphite pencils are commonly used as a medium for drawing.
simply agar medium
Differential medium.
To determine how much agar is needed for 300 ml of medium, we can use a proportion based on the agar quantity provided for 1 liter. 6.4 g agar is used in 1 liter, which means for 300 ml, we can calculate: (6.4 g / 1000 ml) * 300 ml = 1.92 g of agar. Therefore, 1.92 g of agar is needed for 300 ml of the medium.
A concentration of 0.5-0.7% agar is typically used in semisolid medium for motility. This is lower than the typical 1.5-2% agar concentration used in solid medium, allowing motile bacteria to move more easily through the softer semisolid medium.
marine red algae
pink
In our lab we use LB agar, LB broth, and 2XYT broth.
Semi-solid agar media have been successfully used for primary culture and drug sensitivity tests of tubercle bacilli directly from sputum homogenates. I really wanna have sex with my friend but i don't know how to start!
Agar medium needs to be completely dissolved before sterilization to ensure uniform distribution of nutrients, pH, and agar concentration in the final medium. This helps in promoting consistent growth conditions for microorganisms and accurate experimental results. Incomplete dissolution can lead to agar clumping or uneven distribution, affecting the growth of microorganisms in the medium.
MacConkey agar contains bile salts, lactose, peptone. crystal violet dye, and neutral red dye. The agar appears a medium pink with a copper undertone.
agar
Complex medium