Astudent wonders whether removing the nucleus from a cell would result in a new prokaryotic cell. why would this procedure fail to produce a prokaryotic cell? the cell would lack genetic information. the cell would lack the structure that is needed to produce proteins. the cell would lack the structure that is needed to protect the cell’s organelles. the cell would lack control over materials that move into and out of the cell.

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

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.