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Select the subcellular structure from the table below to MATCH with the definition below: A large membrane-surrounded structure predominant in plant cells occupying 50% to 90% of the cell’s space that functions in nutrient storage, waste management, predator deterrence, sexual reproduction and physical support.  (enter your number choice):

Oxygen acts as the terminal elecron acceptor by combining with the electrons and ____________________ to form _____________________.

A scientist wanted to determine the best level of light intensity for photo- synthesis in an aquatic plant. He varied the light intensity and measured the amount of a gas produced by the plant at each level of light intensity.  Which is the dependent variable in this experiment? 

MATCH one of the chapter terms to the definition below: Describes cells that have two copies of each chromosome. (enter your number choice):

MATCH one of the chapter terms to the definition below: A group of subjects who are exposed to a particular treatment. (enter your number choice):

Identify the cytokinesis stage: (enter your number choice):

MATCH one of the chapter terms to the definition below: Chemicals that can quickly absorb excess H+ ions to keep a solution from becoming too acidic, and quickly release H+ ions to counteract increases in OH- ion concentration. (enter your number choice):

Select the metabolite that corresponds to Ⓓ in the following diagram of photosynthesis:

A theory, as defined in scientific discourse, is:

MATCH one of the chapter terms to the definition below: The process by which relatively large particles (smaller cell or cell fragment, a microorganism, or foreign particles) are engulfed by cells by means of the local infolding of a cell’s membrane and the protrusion of its cytoplasm around the fold until the material has been surrounded and engulfed by closure of the membrane and formation of a vacuole: characteristic of amebas and some types of white blood cells. (enter your number choice):