Answer: Vasodilator
Explanation:
If a person is suffering high blood pressure then the pressure inside the blood vessels increases because of vasoconstriction. Vasoconstriction is a condition in which the diameter of the blood vessels decreases and blood pressure increases.
In this case, vasodilators are given to the patients which helps in increasing the diameter of the blood vessels so that the pressure inside the blood vessels decreases.
b. Charles Lyell.
c. Jean Baptiste Lamarck.
d. Alfred Russel Wallace
cholesterol
testosterone
beeswax
Cholesterol is the lipid that acts as a chemical messenger in the body, playing a role in cell signaling and hormone production. Therefore, the correct answer is option b.
Cholesterol is the lipid that acts as a chemical messenger. Cholesterol is a sterol, a type of lipid molecule, and it serves as a precursor for the synthesis of various important chemical messengers in the body, including hormones like testosterone and estrogen.
These hormones play key roles in various physiological processes, such as regulating the development and function of reproductive organs, and they act as signaling molecules that help coordinate different activities within the body. Cholesterol also plays a vital role in the structure and function of cell membranes.
The other options (adipose tissue and beeswax) are not typically considered chemical messengers in the same way that cholesterol and hormones are.
Therefore, the correct answer is option b.
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Natural selection is the primary process that drives Darwin's theory of evolution, the correct option is a.
Darwin's theory of evolution is primarily driven by the process of natural selection. Natural selection is the mechanism by which certain heritable traits become more or less common in a population over successive generations. It occurs due to the differential reproductive success of individuals with advantageous traits that are better suited to their environment. Individuals with beneficial traits are more likely to survive and reproduce, passing on their advantageous traits to their offspring.
Over time, this leads to the accumulation of favorable traits within a population, while less advantageous traits become less prevalent. Natural selection is driven by various factors, including environmental pressures, competition for resources, and adaptation to changing conditions. It is a key driving force behind the diversity and adaptation of species observed in the natural world, the correct option is a.
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The complete question is:
Which process drives Darwin’s theory of evolution?
a. Natural selection
b. Genetic drift
c. Lamarckism
d. Mutation