<span>In dna fingerprinting, the dna probe that is used is complementary to the dna sequence of the repeats.
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D. Endocrine. It produces and secretes hormones, which regulate cells and organs.
Answer: option D) glucagon and insulin
Explanation:
The hormones glucagon and insulin are secreted by the islets cells found in the pancreas. Specifically, alpha cells of the islet produce glucagon, while its beta cells produce insulin.
Both hormones operate in opposite action, glucagon respond to low blood sugar levels while insulin respond to high blood sugar levels.
Horizontal and planar rocky surfaces forming surf zone as the result of a wave erosion is called wave-cut terraces. It is also called as the Abrasion Platform, sloping the rock ledge extending from high tide at steep cliff to low tide's base.
Comets are basically dusty snowballs which orbit the Sun. They are made of ices, such as water, carbon dioxide, ammonia and methane, mixed with dust. These materials came from the time when the Solar System was formed. Comets have an icy center (nucleus) surrounded by a large cloud of gas and dust (called the coma).
Comets go around the Sun in a highly elliptical orbit. They can spend hundreds and thousands of years out in the depths of the solar system before they return to Sun at their perihelion. Like all orbiting bodies, comets follow Kepler's Laws - the closer they are to the Sun, the faster they move.