Answer:
A living organism whose genes have been purposefully altered
Explanation:
Answer:
C. Sprout every year, year after year
Explanation:
The perennial plants are the plants that live for more then two years, thous some may argue that they are plants that live more then three years. Whichever the case, they are not short-lived plants, but are capable of surviving for numerous years, unlike the annuals and biennials. Theoretically, the shrubs and trees would fall into this category, but they are classified separately, and this term is not used for them, but for smaller plants that do not have or have very little woody parts. These plants tend to sprout every year, and even though they seemingly die in the autumn, their roots are alive, and they emerge and grow again in the spring, sprouting again. That process repeats itself for numerous years.
The cobalt chloride and lime water test is a test to identify the products of combustion.
Two substances that are indicated by the cobalt chloride and lime water tests are water and carbon dioxide. In this test, the clear lime water turns milky that proves the presence of carbon dioxide. The blue cobalt chloride paper turns pink that proves the presence of water.
No, it is not possible to produce any other substances while burning a candle in this test. When the candle is burning, the substances produced are carbon dioxide and water.
Plants get nitrogen from the soil but it has to be turned into nitrates (by lighting or nitrogen fixation); this because nitrogen in the air is very unreactive, Then the animal eats the plant.
Bacteria can get nitrogen simply from the air
Answer:
The helicase "unzips" the dna strands, separating them apart.
Explanation:
The bonds that are broken therefore are Hydrogen bonds. These bonds break easily because they are weak bonds.
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