The human digestive system is approximately 900 cm long. Food is moved through the digestive tract primarily by - А
bile produced by the pancrease
B
the enzymes amylase and pepsin
с
muscular contractions
D
chewing the food

her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.

the growth of the plants is affected by the heat of the light. what is the student doing?

answerreferred pain;