1. Which of the following parts allows different activities of the cell to happen? A. cytoplasm B. lysosome C. vacuole D. vesicle

2. What do you call the organelle that plays a role in animal cell division?
A. centrosome B. lysosome C. mitochondrion D. ribosome

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.

What problem would a person most likely have if her kidney did not work correctly?

How do the sperm cells get from the stigma to the ovules?