I believe it's D <span>.DNA repair enzymes often repair errors.
</span>I believe this because enzymes<span> remove incorrect bases with a few surrounding bases, which </span>are<span> replaced with the </span>correct<span> bases with the help of a DNA polymerase and the template DNA. When replication mistakes </span>are<span> not corrected, then it may result in </span>mutations<span>, which sometimes </span>can<span> have serious consequences.</span>
1. New technology is developed that provides more information about the theory.
2. New experimental methods are designed to test a theory.
3. A single experiment produces results that differ from all previous experiments.
im not sure about #3 but it could be it
Answer:
B) Nitrogen-fixing bacteria and lightning
Explanation:
Nitrogen cycle is the natural process in which atmospheric nitrogen is converted into nitrite and nitrate with the help of bacteria.
Nitrogen cycle is directly dependent on nitrogen-fixing bacteria and lightning.
As bacteria are responsible for most of the chemical conversion in the nitrogen cycle such as nitrogen fixation (first step) is done by soil bacteria (Cyanobacteria) that form ammonia, which is toxic to plants; nitrification in which ammonia is converted into nitrites and nitrates with the help of Nitrobacter and denitrification bacteria involve Pseudomonas, and Achromobacter which convert nitrite and nitrate into nitrogen.
The lightning breaks nitrogen molecules and allow it to combine with oxygen in atmosphere which further dissolve in rain and form nitrates.
Hence, the nitrogen cycle is most directly dependent upon nitrogen-fixing bacteria and lightning and the correct option is B.
Answer:
Heredity is important to all living organisms as it determines which traits are passed from parent to child. Successful traits are more frequently passed along and over time can change a species. Changes in traits can allow organisms to adapt to specific environments for better rates of survival.
Explanation:
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