What are the functions of the following organelles mitochondria, central vacuole, nucleus, endoplasmic reticulum? NO COPY AND PASTE

If a cell's main function is to produce proteins to be excreted, which organelles would you expect to be larger

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.