What is pressure in relation to a gas? a

the amount of particles bumping into each other
b

the force the gas is exerting on its container
c

the force an object exerts on a gas

When refering to a gas, the higher the temperature, the faster the particles move
True
False

Volume refers to
a

the size of the gas
b

the size of the container
c

the amount of liquid that fits inside a container

If pressure of a gas goes up, the volume has to go down

True
False

What makes a compound an acid?
a

It dissolves into Hydrogen ions in water (H+ and H3O+)
b

It has a pH higher than 7
c

It dissolves into Hydroxide ions in water (OH-)
d

It cannot be mixed with oil

What makes a compound a base?
a

It dissolves into Hydrogen ions in water (H+ or H3O+)
b

It has a pH lower than 7
c

It dissolves into Hydroxide ions in water (OH-)
d

It cannot be mixed with oil

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.

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening

What evidence did mendel find that supported his law of independent assortment? a. some traits are controlled by several different genes. b. a trait can be passed on from a parent to an offspring. c. most traits have a dominant form and a recessive form. d. different traits are passed on independently of each other.