One of the new technologies developed from tissue culture and genetic engineering is plant hybridization.
a. true
b. false
Ans: b. false
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Which of the following statements is an example of active transport?
1.Dye molecules diffusing after being dropped into a beaker of water. 2.Phospholipids drifting sideways in the plasma membrane. 3.Glucose binding to a transport protein to cross the membrane with the concentration gradient. 4.Calcium pumps in muscle cells transporting calcium against the concentration gradient.
Which one of the following statements is TRUE regarding the water on Earth?
A) When humans divert water from one region to another, they always ensure that it does not have an effect on normal migration patterns of other species. B) Most of the water on Earth is frozen in glaciers and ice caps. C) Residents of the less industrialized countries typically use more water than residents in industrialized countries. D) Some semiarid and desert regions of the world have reached carrying capacity for humans due to the shortage of water. E) Water is considered a renewable resource because it is plentiful in all regions of Earth.
A mountain rain shadow is the ____.
A. arid area on the windward slope B. wet area on the windward slope C. arid area on the leeward slope D. wet area on the leeward slope E. arid area on either slope
The pentose phosphate pathway is the major glycolytic pathway used by archaea.
Answer the following statement true (T) or false (F)