During digestion, carbohydrates are converted by enzymes into monosaccharides.
Monosaccharides are the simplest form of carbohydrates. They are composed of a single sugar molecule. The most common monosaccharides are glucose, fructose, and galactose.
Carbohydrates are broken down into monosaccharides through a process called glycolysis. Glycolysis is a series of chemical reactions that occur in the cytoplasm of cells. The reactions of glycolysis break down carbohydrates into smaller molecules, releasing energy in the process.
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-decreases
-remains constant
Answer:
D. Both a and b
Explanation:
The difference in ion concentration between the intracellular and extracellular fluids in a cell is due to both active ion transport and passive diffusion of ions.
The difference in ion concentration between the intracellular and extracellular fluids in a cell is primarily due to both active ion transport and passive diffusion of ions. Active ion transport refers to the movement of ions across the cell membrane using energy, such as through ion pumps or channels. Passive diffusion, on the other hand, occurs when ions move down their concentration gradient without the need for energy.
For example, the sodium-potassium pump actively transports three sodium ions out of the cell for every two potassium ions it brings in. This creates a higher concentration of potassium ions inside the cell compared to outside. Meanwhile, passive diffusion allows ions like chloride, calcium, and potassium to move across the cell membrane through ion channels, either facilitated by a concentration gradient or electrical potential.
In summary, the difference in ion concentration between the intracellular and extracellular fluids in a cell is due to both active ion transport and passive diffusion of ions.
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Answer:
C
Explanation:
Cellular respiration is best associated with the organelle mitochondrion.
Cellular respiration is associated with the mitochondria, where cells generate energy by breaking down glucose and other food molecules
Cellular respiration is best associated with the mitochondrion (option C). This is an important cellular process that enables cells to generate energy by breaking down glucose and other food molecules in the presence of oxygen. The mitochondria in our cells carry out this process, converting the chemical energy in food to a form the cell can use. While the Golgi apparatus, ribosome, chloroplast, and microtubule have crucial roles within the cell, they are not directly related to or responsible for cellular respiration.
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