Biology: Digestive System, Enzymes, Photosynthesis Learning Objectives

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State the tissues and organs of the human cardiovascular system.

Tissues: heart muscle, blood vessels, blood. Organs: heart, blood vessels (arteries, veins, capillaries).

What is the equation for photosynthesis?

6CO2 + 6H2O -> C6H12O6 + 6O2

Define anaerobic and aerobic respiration.

Anaerobic respiration occurs without oxygen and produces lactic acid or ethanol. Aerobic respiration requires oxygen and produces ATP.

Label a cross-section of a leaf and state the function of the xylem and phloem.

Xylem transports water and minerals from roots to leaves. Phloem transports organic compounds (sugars) from leaves to other parts of the plant.

Describe the sequence of blood flow through the circulatory system, starting from the heart and ending at the heart.

Heart -> Arteries -> Capillaries -> Veins -> Heart

Explain the factors that affect the rate of enzyme action.

Factors include substrate concentration, temperature, pH level, enzyme concentration, and presence of inhibitors.

Match the following with their descriptions:

Digestive system and enzymes = State the tissues and organs of the human digestive system Photosynthesis and limiting factors = State the equation for photosynthesis Respiration = Define anaerobic and aerobic respiration Cardiovascular System = Identify the major blood vessels and their functions

Match the following enzymes with their functions:

Amylase = Breaks down starch into sugars Lipase = Breaks down fats into fatty acids and glycerol Protease = Breaks down proteins into amino acids Helicase = Unwinds DNA strands during replication

Match the following terms with their explanations:

Limiting factors in photosynthesis = Describe how light, CO2 concentration, and temperature affect the rate of photosynthesis Rates of reaction graphs = Interpret graphs showing the relationship between reactant concentration and reaction rate Factors affecting enzyme action = Explain how pH, temperature, and substrate concentration influence enzyme activity Fermentation of glucose using yeast = Investigate the production of ethanol and carbon dioxide in anaerobic conditions

Match the components of plant systems with their functions:

Xylem = Transports water and minerals from roots to leaves Phloem = Transports sugars produced in photosynthesis to all parts of the plant Chlorophyll = Pigment that absorbs light energy for photosynthesis Leaf cross-section label = Identify structures such as epidermis, palisade mesophyll, and spongy mesophyll

This quiz covers learning objectives related to the systems vocabulary, the human digestive system and enzymes, rates of reaction, factors affecting enzyme action, photosynthesis equation, requirements and limiting factors.

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