Which factors affect a population’s growth regardless of the population’s size?

Which of the following is a common response to cell signaling?

People with one sickle cell allele are not likely to get malaria. what is this an example of?

Suppose you are provided with an actively dividing culture of e. coli bacteria to which radioactive thymine has been added. what would happen if a cell replicates once in the presence of this radioactive base?