7. What is this enzymes optimum temperature? Enzyme Activity vs. Temperature

a. 60 degrees Celsius
b. 30 degrees Celsius
c. 10 degrees Celsius
d. 40 degrees Celsius

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body

Look at the photo of the leaf, which term best describes this leaf ? a-simple.b-parallel.c-lobed.d-tooth.

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review