Se sabe que las enfermedades de transmisión sexual son situaciones de riesgo cuando el adolecente ejercita su sexualidad, pero existen mecanismos para prevenirlas ¿Cuál de las siguientes opciones indica un elemento que nos ayuda a prevenir la mayoría de las enfermedades de transmisión sexual? *a) La píldora de la emergenciab) El Dispositivo intrauterinoc) La píldora anticonceptivad) El preservativo o condón

The term equestrian relates to which animal? bulls cows horses pigs

During binary fission, what events must occur before the cell splits into two new cells?

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.