You eat a candy bar. Your body breaks down this snack into its basic components, which includes sugar. In response to the sugar, the cells in the pancreas release a signal (insulin) to communicate with other body cells (muscle, liver, and fat cells) that this sugar should be stored for later use. Which of the following is acting as the target cell in the example above?
1.insulin
2.sugar
3.liver cells
4.pancreas cells

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

When mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. which term describes the gene for tallnes?

Of your good in bio kusing a series of preliminary observations; pstate a problem developed from these observations, formulate a hypothesis, design an experiment to test the hypothesis