If you place a red blood cell in a solution and it swells, this means that: (Choose all correct answers) the solution was hypertonic to the inside of the cell
the concentration of water was lower inside of the cell than outside
the concentration of water was higher inside of the cell than outside
the solution was hypotonic to the inside of the cell
the osmolarity of the solution was lower than inside the cell
the osmolarity of the solution was higher than inside the cell

If assuming tasting ptc as a simple gene trait, what other genotype would you select to put in this missing genotype box that could result in this phenotype

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.

How does the diagram explain ocean currents? earth tilt 23.5 degreesquestion 1 options: earth's tilt causes uneven heating of earth which causes currents. earth's tilt causes the ocean to move because of gravity. earth's tilt and its rotation cause currents. earth's tilt causes uneven distribution of salt which causes currents.