Given that the recommended daily allowance of the trace metal magnesium is 410mg/day for males, this quantity when expressed in μg/day would be this:
410mg x 1000 μg would be 410000 μg/day <span>4.1x<span>10^5 </span></span>μg/day.
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Answer:
Student A has a protein receptor capable of detecting a bitter molecule found in that substance, whereas student B lacks that particles protein receptor
Explanation:
The sensory organs helps to respond to the change in the external and internal environment. The five main types of sense organs are eyes, ears, nose, skin and tongue.
Tongue contains different types of taste buds and taste receptors that helps to distinguish between the different types of food. The receptors are mainly responsible for the taste detection. The student B is unable to taste the bitter molecule because they lacks the receptor.
Thus, the correct answer is option (c)
Answer:
- the discovery of the Pangaea Theory.
In 1912 Alfred Wegener (1880-1930) proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution.
The east coast of South America and the west coast of Africa seem to fit together like pieces of a jigsaw puzzle, and Wegener discovered their rock layers “fit” just as clearly. South America and Africa were not the only continents with similar geology. Most all of the other continents fit together too.
Answer:
RNA viruses
Explanation:
have genome composed of RNA that encodes a number of proteins.
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