A) Determine the density of the book and the wood block. These would be considered regular solid objects. Measure the mass and volume, and using D=m/v, find the density. Be sure to include the correct units! Book: Mass = Volume Density = Wood Block: Mass = Volume = Density = someone please help me to do my high school lab. Their putting in final grades after 3 days

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.

What must be done to breed dogs for a partical trait

What molecules will be best used to compare different species with the exact same sequence of amino acids? why would two species have the same protein even if the molecules in question is different? (hint: transcription to translation to protein).