Nan attempt to save money, the lunchroom staff sent out student questionnaires to see which foods students preferred. once they knew students preferences, the lunch room staff would prepare the most popular foods, thereby reducing waste. based on the student questionnaire data, what inference can the lunchroom staff make? a) most students bring their lunch from home. b) pizza is the favorite food of about one-third the students. c) all students would prefer to eat pizza over any other food. d) students have no preferences regarding the food they eat for lunch.

Which organelle breaks down sugar molecules that supply energy to the cell ?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.