The answer is c a sperm reaches an egg in the Fallopian tube
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If the active site of an enzyme is damaged, leaving it nonfunctional, the reaction proceeds as if it were a non-catalyzed reaction without a lowering of the activation energy.
<h3>What is the active site of an enzyme?</h3>
An active site of an enzyme is the site in an enzyme which the substrate molecules binds to in order for the enzyme to perform its function.
The effective binding of substrate to active site of an enzyme enables catalysis to occur.
Thus, when the active site of an enzyme is damaged, the enzyme becomes non-functional.
Based on the graph, the reaction proceeds as if it were a non-catalyzed reaction without a lowering of the activation energy as seen in the purple colored graph.
In conclusion, effective bonding of substrate to enzyme active site is essential for catalysis to occur.
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Mutations and natural selection cause adaptations. Mutations can cause instant adaptations, while natural selection is the process by which adaptations occurs over a series of generations.
Adaptations are changes or processes of changes by which an organism or species becomes better suited for its environment.
A mutation is an alteration of the DNA sequence. Sometimes such alterations code for the same amino acid sequence as the unaltered DNA strand during protein synthesis. In such a circumstance, the mutation is not detectable. However, other mutations alter the genetic code in such a way that a noticeable change in the trait that is associated with that gene is visible. Sometimes such mutations are advantageous and improve the organism's ability to survive in its environment.
Natural selection is the process by which organisms with more advantageous traits (being camouflaged, being covered with the correct outer covering for the temperatures of that environment, stronger/ larger/ or faster to fight off or run from predators, etc.) are more likely to survive in a particular environment. Likewise, organisms less advantageous traits are more likely to die due to the pressures exerted by the environment (such as temperature, predators, illness, etc.). Therefore, the organisms with the advantageous traits that survive are more likely to survive to find a mate and reproduce. Thus, the advantageous traits are passed down to future generations.
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Primary role of vitamin D is to absorb calcium. It along with calcium, helps to keep bones strong. It also help to make the bone brittle.
Deficiency of vitamin D causes the bones to lose their strength. If body does not get enough vitamin D, then absorption of calcium is lost resulting in osteoporosis in adults and rickets children.
