Answer: A limousine driver dropping off a couple at the school prom.
Explanation: Coenzyme A is a co-factor that assists enzymes to perfom their functions of speeding up chemical reactions. They are non-proteins that can change form and be used by many different type of enzymes for assistance. Just like a driver, any other couple could have asked to be driven by the same driver for any other reasons other then school prom. Drivers are always there to assist but do not take part in the overall function of process or occasion just like coenzyme A.
The sun is the ultimate original source of energy for all living things on Earth.
Answer:
Homozygous recessive.
Explanation:
When both of the letters are lowercased it represents a recessive gene, and two of the same letters same casing would be homozygous whereas, one uppercase and one lowercase would be heterozygous.
A molted external skeleton.
