(01.02A MC)All proteins have amino acids as their building blocks. Even though there are only 20 amino acids, there are more than a million different proteins, and each works in a unique way. Which of the following conclusions about a protein’s function is best supported by this information?

(02.02 MC)Rudolf Virchow’s work resulted in the claim that all cells come from preexisting cells. How did this impact the creation of cell theory?

(02.02 MC)Schleiden concluded all plants are made of cells and Schwann concluded the same thing about animals. Together, how did they contribute to cell theory?

(02.03 MC)Which of the following organelles is found in both plant and animal cells?

(01.02 MC)Humans are able to produce 20 different amino acids, which have side chains with differing properties. How does the variation in amino acids’ side chains affect a cell?

(02.06 MC)Cellular respiration is a process involving the breakdown of glucose molecules in order to generate energy for cellular activities. Given the general reaction below, which of the following best describes the products labeled x and y?C6H12O6 + O2 → __x__ + __y__ + energy

(01.01 MC)Which answer correctly summarizes the essential elements of a scientific theory?

(01.01 MC)Fruit flies are commonly used in genetic investigations that focus on traits passed from parents to offspring over several generations. What can you infer is the reason fruit flies are the most commonly used organism for this type of investigation?

(02.04 MC)Which of the following best describes the relationship between the structure of the cell membrane and its function?

(01.02 MC)Glucose and fructose are monosaccharides that have the same chemical formula, C6H12O6. However, they do not chemically react the same. Which of the following generalizations can explain this?