Answers: 2
Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
Answers: 1
Biology, 22.06.2019 03:40
Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons
Answers: 3
Biology, 22.06.2019 04:00
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.
Answers: 3
Biology, 22.06.2019 10:30
Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?
Answers: 3
What are the 3 main weapons of predators...
Mathematics, 28.05.2021 17:30
History, 28.05.2021 17:30
Chemistry, 28.05.2021 17:30
Mathematics, 28.05.2021 17:30
English, 28.05.2021 17:30
Mathematics, 28.05.2021 17:30
Spanish, 28.05.2021 17:30
Physics, 28.05.2021 17:30
Mathematics, 28.05.2021 17:30
Spanish, 28.05.2021 17:30