What is the relationship between DNA, a gene, and a chromosome? A. A chromosome contains hundreds of genes, which are composed of DNA

B. A chromosome contains hundreds of genes, which are composed of protein

C. A gene contains hundreds of chromosomes, which are composed of protein

D. A gene contains hundreds of chromosomes, which are composed of DNA​

Been sitting here trying to take this test and don't know this answer! place the events of a feedback mechanism associated with body temperature in the correct order. ·nerve cells send message from skin to the brain ·body returned to normal temperature around 98.6 degrees f ·temperatures regulation center in the brain sends out signals ·body temperature exceeds 98.6 degrees f ·sweat glands throughout the body activate to cool off skin surface it is a 1 through 5 question in biology!