Describe the relationship between pH and enzymatic Activity of lactase. Of the pH values tested, which is the optimal pH? Use the results in data table 3 to support your answer. Hypothesize how the structure of the lactase relates to the results in data table 3

The cluster of developing cells from conception until birth is called an

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

Which of the following statements is most likely correct about a rock belonging to the jurassic age and a rock belonging to the cambrian age? options: 1) they have identical fossils of organisms that have evolved over time. 2) both have animal fossils preserved in them due to weathering and erosion. 3) they contain different fossils because life on earth has changed through time. 4) the fossils in them were formed on the surface of earth due to exposure to sunlight.