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

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

What is the function of the root cap? a. extra-absorbent cells in the root cap absorb more water and nutrients b. protect the meristematic area of the stem c. contains sensors for sunlight d. increases surface area of the root

What type of cell undergoes meiosis