Answer: choice c
Explanation: choice a and choice c are very similar, but the phrasing of the words is different. Genes are made up of DNA.
Answer: The nodes of Ranvier
Explanation: The speed of impulse conduction along an axon are increased by this.
The answer is absolutely C
Heredity is the passing of physical characteristics unto the next generation a mouse for example might have brown fur the mouse he "gets busy with" also has brown fur likely hood of the baby having brown fur is a high likley hood hence you can say that the baby mouse has brown fur because of the heredity of his parents<span />
Because enzymes connect to their substrate through a lock-and-key system, where the shape of the substrate and the enzyme has to fit like puzzle pieces. Then only the enzymatic reaction can occur.