4. Nerve cells, called neurons, in our brain and nervous system communicate with each other using a process called neurotransmission. Which of the following is/are true?
O a. Drugs affect the brain by enhancing and assisting the neurotransmission process
O b. Drugs affect the brain by interfering with the neurotransmission process
O c. Alcohol has little effect on the way neurons transmit messages
O d. Drugs have insignificant effect on the way neurons receive messages

What are the three types of counseling established by marine corps policy?

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one