Which of the following statements is true?
a. a promoter determines whether a gene is expressed.
b. an expressed gene is turned off.
c. proteins that bind to regulatory sites of dna determine whether a gene is expressed.
d. rna polymerase regulates gene expression.

Does anyone know what a poms statement is for biology? i don't know what it is and i have an assignment on it tomorrow, will award the best answer a brainliest!

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data. % babies born at different weights % babies born in that category 6.0 6.5 in 50-555 70-75 80-8511 100-1055 which statement is a valid claim that could be made using the data in the graph? directional selection is occurring because the graph favors an extreme. mark this and retum save and exit next submit o type here to search