The most commonly contracted type of skin cancer is: a. basal cell carcinoma b. squamous cell carcinoma c. melanoma d. none of the above

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans

2points what do bacteria have in common with the cells of other living organisms?

Which of the following is one way in which organisms such as clown fish and sea turtles are able to overcome the many dangers that their offspring encounter and ensure that their species population numbers stay relatively steady