Answer:
<em>The correct option is C) Cells do not use the same sections of DNA in the same proportions, at the same time in development, which leads to differentiation.</em>
Explanation:
All the cells in an organisms body comprise of the same DNA. However, each cell is specialized to perform a different function because a part of the DNA which is active in one cell might not be active in the other cells. In this way, cell differentiation occurs. The genes which are being transcribed in one cell type may be completely repressed in the other cell type. As a result, variations occur in the structure and function of different cells.
Answer: Human use of land has negative impacts. Human activities contribute to the erosion and pollution of beaches. ... More of the rainwater runs off leading to increased erosion and drier soil. Deforestation of land can also lead to desertification and a loss of biodiversity.
Explanation:
The answer will be 1. Energy from photosynthesis will transfer to the snake.
The purpose of saliva serves in digestion is to breaks down complex carbohydrates. The correct option is (A).
<h3>What is saliva?</h3>
Saliva is a transparent liquid secreted by glands present in the mouth. Saliva is an important secretion for the digestion of food in the mouth.
It is made up of water and many digestive enzymes are present in the saliva, which help in digestion of complex carbohydrate like starch.
Thus, the correct option is A) breaks down complex carbohydrates.
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Answer:
Insulin
Explanation:
Insulin signalling promotes lipid storage in adipocytes by both stimulating triacylglycerol synthesis and inhibiting its breakdown.
Insulin’s inhibition of lipolysis aids storage of lipids and also decreases circulating fatty acid level.
