Answer:
1. As the cell size increases, the ratio of surface area to volume DECREASES
2. It depends on the unit of the ratio 6:1. If it is in cm−1, then it means that it is similar to a cell of size 1 cm^3, which is normally too big to get materials from the surface
.
3. A Small cell has a large surface area/volume ratio and therefore can exchange molecules with it's external environment rapidly. So, Here cell with ratio 6:1 is smaller and have ability to better transportation across it's membrane as compared to other cell with ratio 3:1
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Explanation:
Silent mutations occur when the change of a single DNA nucleotide within a protein-coding portion of a gene does not affect the sequence of amino acids that make up the gene's protein.
Living organisms also contain a lot of hydrogen, oxygen, nitrogen, sulfur, and phosphorous. Those atoms combine together to form complex molecules of various types: proteins, carbohydrates, lipids, and nucleic acids.
Answer:
C.
It is able to regulate the flow of the calcium oxide and water into the food to make it warm.
Explanation:
Answer:
B. urbanization
Explanation:
In urbanizing stage, death rate quickly declined because of the improvements in agricultural aspect which goes down to food supplies, health care delivery, medicine improvements, and even the investments in sanitation and infrastructure which contributes to the increasing life expectancy of the people and lesser diseases which cause deaths. Though birth rates remain almost the same, but young population continues to grow because of the low death rate.
