Phenol red is used as the indicator for the Urea Medium because the indicator detects the formation of ammonia caused by the hydrolysis of urea done by the bacteria. Bromothymol blue is used in Simmons Citrate Agar because it effectively indicates the formation of carbonates formed by the consumption of citrate.
Answer:
D
a buffer is an ionic compound that resists change in ph hence no ph change on addition of an acid proves the presence of a buffer which is different when distilled water is added because it is neutral hence no increase or decrease in ph
Double-stranded RNA is the answer to this question that you have asked
A plant grew from a leaf cutting will reproduce asexually.A plant cutting refers to a piece of plant that is used to vegetatively propagate a plant. A plant cutting can be a piece of stem, root or leave. The plant cutting is usually placed inside a suitable medium, where the cutting will grow to produce a new plant under suitable conditions. Plants that are grown from plant cutting are considered to be reproduce asexually, because vegetative propagation is a form of asexual reproduction.
