32. the manager is responsible for knowing the food sanitation rules. this includes the supervision of food handlers in: a. following the restaurant's policies on complaints b. routine clean up of the parking lot. c. contacting them when they are ill. d. handling customer's money and credit cards

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.