<span>The Fourteenth Amendment. It enforced a definition of citizenship on the states, thus overturning Dred Scott v. Sanford, and provided a mechanism for enforcing the Bill of Rights on states. Thus citizens could now sue their states in Federal court for abridging their constitutional rights.</span>
The d-value of a bacterial culture heated to 100°c is the time it takes to kill 90% of the population.
D-value or decimal reduction dose is a term used in microbiology and it refers to decimal reduction time. It can be defined as the time (or dose) required at a given condition (e.g. temperature), to kill 90% of the exposed bacteria.
Genes<span> are made of a chemical called </span>DNA<span>, which is short for 'deoxyribonucleic acid'. The </span>DNA<span> molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase. The sides are sugar and phosphate molecules.</span>
Its the organism. If you want to put it in order than tissue, organ, organ system, Organism
Answer:
In environments with a high level of UV radiation darker skin protects against the harmful effects of UV radiation. According to the evidence, melanin is found in the upper layer of the skin human and absorbs UV radiation, which protects cells against the harmful effects of UV light. The genetic
determine the type of melanin and the amount of melanin present in the cells of an individual. Ultraviolet radiation causes damages DNA and disrupts normal chemical reactions in cells. These processes are greatly mitigated by eumelanin that is abundant in dark skin. This condition also gives protection of folate metabolism against deficiencies caused by strong UV radiation, there is evidence from epidemiological studies that indicates an association between dark pigmentation and a lower rate of neural tube defects due to lower decomposition rates folate.