Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
Answer:
No
Explanation:
Mitosis is the process in cell division where the nucleus divides into two nuclei, each with an identical set of chromosomes. Mitosis is divided into four phases: prophase, metaphase, anaphase, and telophase. The shortest stage of the cell cycle is called cytokinesis (division of the cytoplasm).
Answer:
What do floating objects have in common? They all have buoyancy.
Explanation:
Both provide approach to confirming the result of experimentation.
There is no pigment in the brain, so it is in it's natural colour, grey.
