Matter can exist in different phases or states. What are three common states of matter?

A.

metals, nonmetals, and metalloids

B.

solids, liquids, and gases

C.

atoms, elements, and compounds

D.

earth, air, and water

A child receives X chromosomes from its mother, and a Y chromosome from its father. what is true about this child? a. it is haploid b. it is male c. it is female d. it is prokaryotic

Which is an example of codominance? A. A cow with white hairs and a cow with black hairs mate and produce a cow with both white and black hairs. B. A sheep with white fur and a sheep with black fur mate and produce a sheep with gray fur. C.

A kind of variable that a researcher purposely changes in an investigation is ... constant. controlled. dependent. independent.

In the B-galactosidase assay, it is important to measure the density of E. coli cells because Select one: a. the lac operon is induced only in a small percentage of cells in a culture. b. the transformation efficiency of E. coli cells is low. c. E.

Some species in the weasel family, such as skunks, protect themselves by spraying a foul-smelling musk oil when threatened. Why would a spray defense be a useful mechanism for a species?

Which do you think has a higher caloric value per serving, fats or carbohydrates (sugars and starch) ?

A young man presents reporting diarrhea, fecal urgency, and weight loss. his stool is light-coloured and malodorous, and it tends to float and be difficult to flush.

Both bats and honeybees have wings. Which of the following statements is true

Choose two organisms: one sexual reproducer and one asexual reproducer. For each organism, discuss the following Describe the organism Draw or find a graphic that represents your organism

What would you do if you found an alien in your living room? (Check all that apply.) Scream Say hi Call 911 Offer it a sandwich Take the remote Fight it Kick it out Give it some clothes Bribe it to do your homework Make it take this poll