An enzyme A functions as a catalyst B is typically effective

An enzyme: A) functions as a catalyst. B) is typically effective only in large amounts. C) is permanently altered during the course of its reaction. D) raises the activation energy of its reaction. E) is a type of carbohydrate. Adenosine triphosphate is a type of: A) steroid. B) enzyme. C) fatty acid. D) nucleotide. E) amino acid. Which of the following processes in plant cell membranes requires ATP? A) osmosis B) passive contransport C) active transport D) simple diffusion E) facilitated diffusion Smooth and rough endoplasmic reticulum are involved in___ and ___ synthesis respectively. A) Glycoprotein carbohydrate B) Lipid and protein C) Protein and lipid D) Protein and carbohydrate E) Lipid and ATP

Solution

6) (a) functions as a catalyst.

7. (d) Nucleotide

8.(c) Active transport

9.(c) Proteins and lipids,because cells specialising in the production of proteins will have a large amount of rough ER,while cells producing a greater amount of lipids and steroid hormones will have a greater amount of smooth ER.