The Shape of earth is _________?

A. Elliptical B. Oblate Spheroid  C. Oval D. Spherical Earth is an oblate spheroid. This means it is spherical in shape, but not perfectly round. It has a slightly greater radius at the Equator, the imaginary line running horizontally around the middle of the planet. In addition to bulging in the middle, Earth’s poles are … Read more

Proteins are made up of _________?

A. Polynucleotide B. Polypeptide C. Oxyacetylene D. None of these A polypeptide is a single linear chain of many amino acids (any length), held together by amide bonds. A protein consists of one or more polypeptides (more than about 50 amino acids long). An oligopeptide consists of only a few amino acids (between two and … Read more