(01.03 MC)A glass dish containing a few drops of water in the presence of carbon dioxide gas, nitrogen gas, and small organic compounds is heated by a flame and UV radiation. Which early Earth scenario does this set-up most closely resemble?

(02.06 LC)Which of the following identifies the purpose of anaerobic fermentation within the body?

(02.04 MC)Which of the following describes an example of molecular movement across a membrane through active transport?

(01.02 MC)Which of the following describes why phospholipids are better suited to forming the cell membrane than regular fats or steroids?

(01.02 MC)Which of the following lists correctly summarizes the main functions of proteins in the human body?

(01.02 MC)Which of the following can you correctly infer from the graph about how the pH affects the enzyme’s role in the target chemical reaction?

(03.06 MC)Duchene muscular dystrophy, or DMD, is a recessive, x-linked disease. What would you expect to see in the offspring of a woman who has DMD and a man who does not have the disease?

(03.02 MC)What would happen if the bases in DNA strands were connected by a bond other than a hydrogen bond?

(03.04 LC)Which type of mutation results in an extra copy of all or part of a chromosome?

(02.03 HC)Which of the following outcomes would be most likely if the membrane of a cell were no longer selectively permeable?