How does an atom become a positive ion?

O

A. It gains an electron.

O

B. It gains a neutron.

O

C. It loses an electron.

O

D. It loses a neutron.

UM

Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5 percent NaCl? A) The cell will undergo osmotic lysis. B) Water will move into the cell.

Which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide O to carry air to the lungs O to release oxygen from the body

What would be most likely to happen to a plant that had working chloroplasts in its cells but had taken in a poison that kept mitochondria from working?

The trachea, bronchi, bronchioles and alveoli all make up the

Red-green color blindness is a human x-linked recessive disorder. the normal allele, xb, is dominant to the mutant allele, xb. jill has normal color vision, but her father is color blind. jill marries tom, who also has normal color vision.

What must a animal do in order for cellular respiration to begin

3. In one population, 18 individuals have long hair and 182 individuals have short hair. It is known thatmating has been random with respect to hair length for several generations. (a) What are the hair length allele frequencies in this population?

The transform boundary occurs when plates slide against each other true or false

Why would water stop soaking into the ground in the saturated zone?

How many significant figures are in 7.00