RNA Polymerases from Prokaryotes and Eukaryotes

question 74

Multiple Choice

RNA polymerases from prokaryotes and eukaryotes

• A) have sequence homology in catalytic subunits
• B) have identical σ factors
• C) differ because there is no analogue to the prokaryotic α subunit in eukaryotes
• D) have the same number and kind of subunits

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Definitions:

Thigmomorphogenesis

The process by which plants change their growth patterns in response to mechanical stimulation, such as touch or wind.

Mechanical Stimuli

Mechanical stimuli are external forces or pressures that elicit a biological response in an organism, involved in processes like plant growth and the sense of touch.

Ethylene

A gaseous plant hormone involved in promoting fruit ripening, flower wilting, and leaf fall.

Amyloplasts

Starch storage organelles found in plant cells, responsible for the synthesis and storage of starch granules.