Answer:
Yeast is used to make the bread soft and fluffy . Yeast cells thrive on simple sugars . As the sugars are metabolized , Carbon dioxide and alcohol are released into the bread dough making it rise . So the bread becomes soft and fluffy. The baker made great bread.
Explanation:
Zambia
The other three are already well established.
Answer:
1. A. Pseudomonas and E. coli
2. B. Red without black center
3. B. Salmon/orange
Explanation:
Pseudomonas is referred to as an oxidase positive bacteria while E. Coli is an oxidase negative bacteria. The use of the oxidase test will be helpful in the differentiation of the two Bacteria according to their oxidase activity/properties.
Colonies of Red without black center color is what is expected on HE agar if shigellosis is suspected.
Colonies of Salmon/Orange color is what is expected on HE agar if Enterococcus sp. is suspected.
True, the plasma membrane is selectively permeable and controls the various substances that are allowed into the cell and that are allowed to leave the cell.
