1 pts Question 36
Which of the following is a phenotype?
red hair
heterozygous
ODNA
0 Аа

the answer is b.) hydrogen bonds between bases.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

characteristics of hydrocarbons