Answer: C
Explanation: This happens because RNA becomes double stranded when two self complementary region of a single strand form a hairpin like structure...
Answer:
oxygen: it was the result of biological activities. There were such stable continental shelf environments, which were rare in the Archean, developed after 2.5 billion years ago, facilitating the growth of photosynthetic organisms and thus oxygen production.
Answer:
Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per second (m/s), but the most common unit of speed in everyday usage is the kilometre per hour (km/h) or, in the US and the UK, miles per hour (mph). For air and marine travel the knot is commonly used.
Explanation:
The type of claim that could be seen in the statement above
is known as the structure of function claim. This is a claim that could be
describe of a way of having to describe the dietary ingredient or the nutrient’s
role in regards of the body of an individual.
