Which term describes the rate of energy output from a light source? A. absolute magnitude B. apparent magnitude C. luminosity D. temperature

Model the plasma membrane. label each part and describe the function of that part in detail

Food manufacturers often round the amount of calories in a food serving up or down. in this nutrition facts panel from a one-ounce serving of chips (about 12 chips), the manufacturer says there are 160 calories.

A fellow student showed you a Gram stained slide where cell containing thick cell walls were stained pink. What would you tell her about the staining procedure? Why?

Which statement is true? -There are a number of chromosomes on a given gene; all of these actively code for proteins. -Chromosomes contain many genes; not all genes are actively coding.

Which level of organization is directly below organ system? organelle cell tissue organ

At the center of the Andromeda galaxy is a source of x rays that scientist believe is a black hole with how many more times than the sun

True or false? The more similar two organisms are, the more distant their common ancestor is.

The blood-brain barrier a. is fully developed in humans when they are born. b. prevents many drugs from entering the brain. c. is designed to allow all drug compounds into the brain. d. cannot be penetrated, even with trauma to the brain.

Which is another name for observations? Models Predictions Data Inferences

A father has the genotype dd and a mother has the genotype dd fill in the punnett square below to show their possible offspring?