Choose the One Most Appropriate Response for Each

question 66

Multiple Choice

Choose the one most appropriate response for each.
-microtubules

• A)contain enzymes for intracellular digestion
• B)primary cellular organelles where proteins are assembled
• C)package cellular secretions for export
• D)extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide
• E)synthesize subunits that will be assembled into two-part ribosomes in the cytoplasm
• F)molecules that participate in protein synthesis
• G)store substances
• H)encode hereditary information
• I)help distribute chromosomes to the new cells during cell division
• J)convert light energy to chemical energy stored in the chemical bonds of glucose or starch

Explain the mechanism of phototropism and its relation to auxin distribution.

Describe plant responses to various external stimuli through directional growth movements.

Detail the hormonal control in seed germination processes.

Examine the role of specific hormones in stem elongation, senescence, and plant growth strategies.