Ve you ever wondered what is in your food? Scientists use a variety of tests to determine the nutritional content of
food. You will learn four of those tests with the Identifying
Nutrients Gizmo.
1. Below the Food samples label, drag tube A into the
Food sample holder. Below the Benedict test, click
the Test button. What is done in the Benedict test?

Consider this plant cell which organelle is labeled g

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur