Cocaine's effects in the brain:

a. result from blocking serotonin reuptake.

b. result from blocking dopamine reuptake.

c. result from blocking norepinephrine reuptake.

d. all of these answers are correct

Which of these factors would limit the population of a species? large food supply small number of predators large amount of space substantial amount of predators

Define most wanted elements? & give example.

Explain how parasitism and mutualism are similar and how they are different

1 gallon = 3.8 liters 1 mile = 1.6 kilometers 1 inch = 2.54 cm 1 cm = 10 mm Convert 2.2 gallons to liters:

Why is genetics considered one of the most important disciplines of biology?

How might an amino acid change at a site distant from the active site of the enzyme alter the enzyme's substrate specificity? A. By changing the enzyme's stability B. By changing the enzyme's location in the cell C.

Which of the following persons has the highest risk for diabetes, hypertension and heart disease? a. A man with a BMI = 29 and a waist circumference = 37 inches b. A woman with a BMI = 27 and a waist circumference = 36 inches. c.

Which of the molecules has the sugar deoxyribose and phosphate groups in it's backbone?

If your blood sugar level is low from skipping lunch, what reaction (dis - cussed in this exercise) will occur in your liver cells? write out the reaction and put the name of the enzyme over the reaction arrow.

How would the group of friends to slow music low temperature added how fast would they move and how close would they be to each other?