Nitrogenous bases are located on both strands of DNA double helix. What is the significance of the nitrogenous bases?

Legumes, a type of plant, require rhizobia, a type of soil bacteria, to survive since these organisms fix nitrogen during photosynthesis. rhizobia use the legumes for food. what would most likely happen to the legume population if rhizobia suddenly became extinct?

Abnormal softening of a gland is known as

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat