Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
Explanation:
Temperate grasslands are composed of a rich mix of grasses and forbs and underlain by some of the world’s most fertile soils. Since the development of the steel plow most have been converted to agricultural lands.
Answer:
A sideline is an activity done in addition to one's main job, especially to earn extra income.
Lorenzini ampoule is a special sensing organ. They are mostly found in cartilaginous fish
Explanation:
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