Cell division is regulated by two major genes. stimulate cell division and inhibits cell division. A. oncogenes, tumor suppressor genes B. tumor suppressor genes, proto-oncogenes C. proto-oncogenes, oncogenes D. proto-oncogenes, tumor suppressor genes

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million

Color blindedness is a sex-linked trait. if we could see the pedigree chart for several more generations of the family illustrated here, we would expect a) more males to be color blind. eliminate b) more females to be color blind. c) no females to ever be color blind. d) an equal number of males and females that are color blind.

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?