Lactase is an enzyme that breaks down a sugar found in milk. As the concentration of lactase increases, how will the rate of reaction be affected? It will increase without any upper limit
It will increase until substrates are used up
It will stay the same but will increase the pH level
It will stay the same but will increase the temperature

What are chlorofluorocarbons made of

Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.

Where would you expect to see seedless plants, such as ferns and mosses? a. in a botanical museum, because they are all extinct b. low and close to the ground in a moist environment c. climbing high while circling the branches of another plant d. deeply rooted in a forest with a trunk that reaches 20 meters or more