Answer: I think it might be C
Explanation:
Because it tell you the same info that was in the text then in the question.
Answer:

Cost : The expenditure incurred by a producer on the factor as well as non-factor inputs for a given amount of output of a commodity.
Helicases move along one strand of the duplex and push the opposing strand aside. They either migrate in the 3'-5' or 5'-3' orientation along the DNA or RNA (some can move in either direction).
- Living things need helicases, which are enzymes, to separate the double-stranded DNA in this instance from other nucleic acid strands.
- Helicases accomplish this by severing the hydrogen bonds that link the two strands.
- The DNA double helix's two strands are initially separated by an enzyme known as a DNA helicase.
- Each DnaB helicase winds the parental duplex by encircling one strand of the duplex DNA and moving in the 5′ to 3′ direction with respect to this ssDNA.
- Primers are created on occasion when DnaB interacts with primase.
learn more about Helicases here: brainly.com/question/9787806
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Answer:
b. base molecules from high concentration through the membrane to low concentration
Note: the complete question is found in the attachment below
Explanation:
The process which enabled the color change in the water and phenology mixture is known as diffusion.
Diffusion is the movement of molecules from regions of higher concentration to regions of lower concentration until equilibrium concentration is attained.
In the setup by the student, the concentration of the base molecules are higher in container than in the test tube. The vaporized molecules of the base therefore, moved through the membrane into the water and phenolphthalein mixture, resulting in the color change to pink in the mixture due to the reaction of the base and the phenolphthalein.