Answer:
C. A gene is a segment of a DNA strand
Explanation:
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The cells of SA node acts as the heart's peacemaker which establishes the pace for cardiac activity.
Sinoatrial node is also called sinus node.
SA node is termed as a group of cells which are located in the wall of the right atrium of the heart. Cells have the ability to produce electrical impulse. It travels to the heart via electrical conduction system which causes it to contract.
It produces action potential and also sets the rhythm of the heart.
Capillaries are one cell thick and so this makes them very thin. capillaries are also arranged in networks known as capillary beds, and thus multiple capillaries are spread over a large area.
The basic nutrient which a person might need to restrict after undergoing an operation to remove the gallbladder is; Fats.
Discussion:
The gallbladder is one of the organelles in the digestive system. Its main function is to store bile. Bile functions to helps the digestive system break down fats.
As such, when an operation to remove the gallbladder has been performed; the digestive system finds it difficult to break down fats and as such, fat consumption must be restricted.
Read more on gall bladder:
brainly.com/question/16065994
Answer:
B.
Explanation:
Biome is a combination of two words 'bio+ome,' which means life and its specified nature.
In simple terms, biome can be defined as a naturally occuring of a large number of flora and fauna that occupies major part of nature. Ecologists, who study biomes, defines it as a large community of flora and fauna that resides in the same ecology or environment. Biome not only consists of flora and fauna but also its abiotic factors such as the adaptation of animals in different environment.
Therefore, option B is correct.
