Answer:
A) A mutation in a single gene can result in a defective protein.
Explanation:
This hypothesis states that one gene codes for one protein-enzyme, so consequently, if mutation occurs in that gene, the enzyme will not work properly. This hypothesis was very important for the fundamental discoveries of molecular biology, but it is oversimplified meaning that relationship between genes and proteins is much more complex.
Methamphetamine
Methamphetamine is also called crystal
meth. It can be in the form of a pill or as a white, bitter-tasting crystalline
powder. It is a central nervous system stimulant.
It is potent and highly addictive. It causes euphoric effects
The correct answer is choice B. Nondisjunction.
Nondisjunction disorder occurs when either the homologous chromosomes or the sister chromatids fail to disconnect properly during cell division. This failure results in daughter cells with an abnormality in chromosomes.
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Answer:
A high specific heat of a substance means that a large amount of heat is required to raise the temperature of the substance. ... Water covers around 70% of the Earth's surface and its high specific heat plays a very important role as it is able to absorb a lot of heat without a significant rise in the temperature.
