Answer:
The carbon atoms in saturated fatty acids are linked entirely by single C-C bonds; unsaturated fatty acids contain one or more double bonds. Double bonds cause molecules to bend, and they can pack less tightly.
The answer is A.photosynthesis
A. To understand the nature of an experimental subject
Answer:
C. Ethanol, ammonium chloride, phosphate buffer, magnesium sulfate, calcium chloride, trace elements
Explanation:
Acetobacter must have a sufficient supply of oxygen and cannot grow in its absence. Colonies of acetobacter can be detected by a culture media containing ethanol as carbon source, the acid produce by the bacteria will dissolve the chalk thereby leaving a clear zone around the colony.