Active transport performs which function in a cell?
a. packages proteins for export from the cell b. distributes enzymes throughout the cytoplasm c. moves substances against a concentration gradient d. equalizes the concentration of water inside and outside the cell

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.