Answer: The correct option is b (false).
Explanation: As is is cleared from the figure that when lactose is absent, the lac repressor binds tightly to the operator. It gets in RNA polymerase's way and prevent transcription.
Bio tic Factors. An ecosystem is a community of organisms that interact with each other and with the and biotic factors in their environment. Abiotic factors are chemical and physical factors such as temperature, soil composition, and climate, along with the amount of sunlight, salinity, and pH.
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FaithRawlins14
Naturalists referred to Amoeba as the Proteus animalcule
after the Greek godProteus who could change his shape. The name "amibe"
was given to it by Bory de Saint-Vincent,[3] from the Greek meaning change
Based on the nebular theory, the sun and planets of the solar system began as a giant cloud of molecular dust and gas.
Absorption and excretion
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-Payshence xoxo
