Sickle cell anemia is caused by a single letter mutation so transcription will lead to synthesis of a different <u><em>mRNA</em></u> molecule . The different mRNA molecule will lead to a different <em><u>protein</u></em> where a single amio acid is different(there is valine instead of glutamic acid)
An overdose of caffeine can cause muscle cramping.
The statement "The correct way to calculate population size is by dividing the total population by the land area." is true. The correct option is A.
<h3>What is the population?</h3>
The entire number of species in a given area makes up the population. Surveys of various places are conducted to determine the population. By dividing the total population by the fraction of each individual, the population size can be determined.
There are various techniques for population counting. Cohort analysis, aerial counts, etc., are some of these techniques.
Thus, the statement is true. The correct option is A.
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Answer: A
Evolution is the idea that species change over time, and natural selection is a mechanism by which evolution takes place.
Answer:
147.5 million km
Explanation:
The Sun is at an average distance of about 93,000,000 miles (150 million kilometers) away from Earth. It is so far away that light from the Sun, traveling at a speed of 186,000 miles (300,000 kilometers) per second, takes about 8 minutes to reach us.