HW 1
Q1: Formulatea null hypothesis for the following hypothesis: ‘’Tomato plants exhibit a higher rate of growth when planted in compost instead of in soil. “Why is the null hypothesis useful?
Q2: Describe the characteristics of questions that can be addressed through the scientific method, and give some examples.
Q3: Design an experiment using al the steps of the scientific method.
Q4: Does the statement “ evaluation is just theory” have any merit? Explain?
HW 2
Q1: Explain how the shapes of carbohydrates, lipids, and proteins relate to their function.
Q2: describe the three types of particles that comprise all atom in terms of charge, mass, and
location within the atom.
Q3: discuss the basic steps of how an enzyme catalyzes a reaction, using lactase as an example.
Q4: compare and contrast DNA and RNA in terms of structure, composition, and function.
HW 3
Q1: describe how the properties of the head and tail ends of the phospholipid molecules account for their specific arrangements that form the bilayer.
Q2: compare and contrast the theories of endosymbiosis and invagination and the supporting
evidence for each
Q3: a drop of red food coloring is added to a glass of water. After a few months, the entire glass of water is evenly dyed red. What role did diffusion play in this experiment?
Q4: define passive transport, and explain what type of passive transport would be used to move each of the following substances into a cell: oxygen, amino acid, and water.
HW 4
Q1: describe the movement of protons as electrons are shuttled through the electron transport chain and as the energy in this gradient is used to form ATP.
Q2: briefly describe the adaptations of C4 and CAM plants that reduce water loss through stomata.
Q3: cellular respiration is a lot like photosynthesis in reserve. “Evaluate this statement, and discuss the similarities and differences between photosynthesis and cellular respiration.
Q4: Briefly describe the two laws of thermodynamics and how they related to cellular respiration.
Q5: How is a hydrogen bond similar to an ionic bond? How are they different?
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