The difficulties that a cell faces as it increases in size are a reflection of the fact that cells are complex systems.
As a cell increases in size, it faces a number of difficulties. These include:
Diffusion: As a cell gets larger, the distance between the cell membrane and the center of the cell increases. This makes it more difficult for nutrients and oxygen to diffuse into the cell, and for waste products to diffuse out of the cell.
Surface area to volume ratio: The surface area to volume ratio is a measure of how much surface area a cell has relative to its volume. As a cell gets larger, its surface area to volume ratio decreases.
This means that the cell has less surface area to exchange nutrients, oxygen, and waste products with its environment.
Cytoskeleton: The cytoskeleton is a network of fibers that provides support and structure for the cell. As a cell gets larger, the cytoskeleton must become more complex and stronger in order to support the increased weight and volume of the cell.
Organelle function: As a cell gets larger, its organelles must also become larger and more numerous in order to meet the increased metabolic demands of the cell. However, there is a limit to how large and numerous organelles can become before they become inefficient or even dysfunctional.
For all of these reasons, there is a limit to how large a cell can grow. Once a cell reaches a certain size, it becomes more efficient for it to divide into two smaller cells.
This allows the new cells to have a more favorable surface area to volume ratio and to have more efficient access to nutrients and oxygen.
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B.cellular respiration.
C.cellular circulation.
D.cellular transpiration.
Answers;
Cellular respiration;
Explanation;
Food molecules contain biochemical energy which is made available by cellular respiration;
The process of cellular respiration takes in food and uses it to create ATP, a chemical which the cell uses for energy.
The purpose of cellular respiration is to provide cells with the energy they need to functioning and activities such as growth and movement.
Answer:
The Answer is: mitosis can occur in plants and animals.
Explanation:
Mitosis is where cells multiply basically on their own, without any outside help. When cells split, mitosis has occurred.
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Answer: cytosol
Explanation:
Ribosomes are special because they are found in both prokaryotes and eukaryotes. While a structure such as a nucleus is only found in eukaryotes, every cell needs ribosomes to manufacture proteins. Since there are no membrane-bound organelles in prokaryotes, the ribosomes float free in the cytosol.
Answer: floating freely in the cytoplasm.
Explanation: i just got it right
b. Light adds energy and photosynthesis is endothermic
c. Light adds energy and photosynthesis is exothermic
d. Photosynthesis produces light
frequency for the recessive allele?
The Hardy-Weinberg equation is:
(homozygous dominant)2 + 2[heterozygous] + [homozygous recessivel = 1
O A. 0.45
O B. 0.80
O c. 0.65
D. 0.89