Gene mutations can be passed on to future generations and drive natural selection. ... Gene mutations can be helpful, harmful, or neutral for an organism's survival. Only mutations that are helpful in the organism's environment would influence its survival and reproduction
Answer:
<em><u>B) a segment of DNA that is the basic unit of heredity</u></em>
Explanation:
<em>What is a gene: </em>
<u><em>a segment of DNA that is the basic unit of heredity</em></u>
<em></em>
The specific water heat has an elevated capacity that requires more amount of energy to heat.
Explanation:
By the’ heat capacity’ we mean the absorbing capability of heat in a material and ‘specific heat’ determines the heat amount required for increasing the water temperature of 1 gram by 10 Celsius.
Water has a high heat capacity that is caused by its hydrogen bonding. When heat is applied in water and is absorbed by it, it breaks the bond of hydrogen influencing molecules of water to travel freely. This specific heat in water makes it take longer time to heat and to cool.
In a situation where the concentration of solute is low inside the cell, the cell will be referred to as a hypotonic cell. The transport in this type is referred to as active transport.
<h3>What is active transport?</h3>
The movement of dissolved molecules into or out of a cell via the cell membrane, from a low concentration region to a high concentration region is referred to as active transport.
These particles use the energy released during respiration to move against the concentration gradient.
Thus, in a situation where the concentration of solute is low inside the cell, the cell will be referred to as a hypotonic cell. The transport in this type is referred to as active transport.
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The right answer is B.
Thus, cancer is the consequence of an accumulation of genome alterations, somatic mutations (mutation affecting all types of cells except germ cells).
The mutation rate can be increased by some agents of the environment. This is the case of ultraviolet (UV) radiation that causes DNA damage and is responsible for many but not all skin cancers.