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What are the changes taking place during spermatogenesis?
During spermatogenesis, diploid spermatogonium cells undergo mitosis to produce primary spermatocytes, which then undergo meiosis I to form secondary spermatocytes. These secondary spermatocytes then undergo meiosis II to form haploid spermatids. Finally, spermatids undergo spermiogenesis to differentiate into mature sperm cells.
During a physical activity what hormone signals the fat cells to begin releasing their fatty acids?
During physical activity, the hormone epinephrine signals fat cells to release their fatty acids, which can then be used as energy by the body. This process helps provide the necessary fuel for the muscles to function during exercise.
What are the cells activities directed by?
The nucleus is the head office of the cell.
What the greatest step toward the discovery cells?
The invention of a Microscope.
What is proteolysis?
Proteolysis is the directed degradation (digestion) of proteins by cellular enzymes called proteases or by intramolecular digestion.
During strenerous activity muscle cells run low on what?
Oxygen
What do muscle cells run low on during periods of strenuouse activity?
Oxygen
What do muscle cells run low on during periods of strenuous activity?
It`s Oxygen
When would our muscle cells utilize lactic acid fermentation during physical activity?
Muscle cells utilize lactic acid fermentation during physical activity when there is not enough oxygen available to produce energy through aerobic respiration. This typically occurs during intense exercise or when the body is under stress.
What are the changes taking place during spermatogenesis?
During spermatogenesis, diploid spermatogonium cells undergo mitosis to produce primary spermatocytes, which then undergo meiosis I to form secondary spermatocytes. These secondary spermatocytes then undergo meiosis II to form haploid spermatids. Finally, spermatids undergo spermiogenesis to differentiate into mature sperm cells.
How do human muscle cells use lactic acid fermentation to produce energy during intense physical activity?
During intense physical activity, human muscle cells use lactic acid fermentation to produce energy when there is not enough oxygen available. This process converts glucose into lactic acid, releasing energy that can be used by the muscles for short bursts of activity.
During a physical activity what hormone signals the fat cells to begin releasing their fatty acids?
During physical activity, the hormone epinephrine signals fat cells to release their fatty acids, which can then be used as energy by the body. This process helps provide the necessary fuel for the muscles to function during exercise.
What is the action of a hormone directed at?
It's target cells
What are the cells activities directed by?
The nucleus is the head office of the cell.
The synthesis of these proteins is primarily directed by?
Proteins play a vital role in all cells. In fact, cells need thousands of proteins in order to function properly. The synthesis of these proteins is primarily directed by
What causes the buildup of lactic acid in muscle cells during physical activity?
During physical activity, the buildup of lactic acid in muscle cells is caused by the body's increased demand for energy. When oxygen supply is limited, the body breaks down glucose for energy without using oxygen, leading to the production of lactic acid as a byproduct.
What oviducts carry egg Cells toward the Uterus and sperm Cells?
The Fallopian tubes.
