Principles used to select drugs for inclusion in combination chemotherapy regimens: 1  Drugs known to be active as single agents should be selected for combinations.  Drugs with different mechanisms of action should be combined in order to allow for additive or synergistic effects on the tumor.
Zebra duikers have gold or red-brown coats with 12-16 distinctive zebra-like stripes, dark markings on their upper legs, and russet faces. Newborns appear darker because they are born with their stripes closer together. An adult can grow to 90 cm (35 in) in length, 45 cm in height, and 20 kg (44 lb) in weight. Their horns are short and round with sharp pointed tips. They are about 4.5 - 5.0 cm long in males, and half that in females. Female body size is larger than males, possibly due to long gestation periods.
Confidence votes 71.8K. Zebra's that live in the Plains of Africa are on an average about 50-52 inches (1.3 meters) tall at their shoulder. Their body length is approximately between 6 to 8.5 feet (2 to 2.6 m) with a tail that is an additional 18 inches in length. Zebras can weigh upto 770 pounds (350 kgs) or more. Males are usually slightly bigger & heavier than females.