Which test tube (s) acts as a negative control?

gelatin

water

mystery food sample

both water and gelatin

Identify resources from living things and name the sources of these resources

In general, you should give care to an ill or injured person until what happens?

When looking through a microscope in which direction does the specimen move when you slide it to the left?

What characteristic do all algae share?

What are compounds composed of carbon, hydrogen, and oxygen

What do cells need to do between divisions to make sure that a full set of dna gets passed on to each daughter cell?

True or false: The central nervous system allows us to sense the environment

Which of the following statements is false regarding root hairs? a. they are outgrowths of endodermal cells c. they increase the surface area of the root b. they are outgrowths of epidermal cells d. they absorb water and nutrients

Why is it critical to divide the chromosome number in half?

The amino acid proline is one of the three amino acids that watson describes as having "special properties". what is special about proline?