Questions and Answers
What is considered to be the basic unit of life according to the Cell Theory?
Cells
Which cellular compartment analogy is used to describe that different parts of a cell perform specific tasks efficiently?
Cellular Rooms
What determines the function of nerve cells?
Shape and specific subcellular structures
What is a key aspect of the relationship between a cell's structure and its function?
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Which is NOT one of the major cellular compartments described in the text?
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According to the Cell Theory, where do new cells arise from?
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What is the process called when homologous pairs of sister chromatids associate with each other?
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What is the benefit of the physical exchange between chromosome pieces during crossing over?
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In meiosis, how many haploid daughter cells are produced?
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What are telomeres and their role in cell aging?
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Which process involves the attachment of sugar molecules to proteins, lipids, or nucleic acids unnaturally?
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What is the programmed cell death mechanism called?
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Which cell division process results in genetically identical daughter cells?
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'Chiasma' refers to what specific feature during meiosis?
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During somatic cell division, what are the two main events that occur?
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How many pairs of autosomes chromosomes do diploid somatic cells typically have?
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What is the main difference between mitosis and meiosis in terms of chromosome number?
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What is the purpose of karyotype analysis?
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What is the role of cytokinesis in cell division?
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In terms of chromosome number, what does '2N' represent?
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What major event occurs during fertilization?
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What is the main function of the plasma membrane in a cell?
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Which of the following is NOT a feature of the plasma membrane?
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What type of molecules can easily pass through the plasma membrane?
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Which component of the plasma membrane avoids water and lines up in the central part of the membrane?
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What determines the ability of molecules to pass through the plasma membrane?
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Which type of molecules are generally impermeable to the plasma membrane?
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What do essential cell proteins and large molecules require to enter the cell?
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'Selective permeability' of the plasma membrane refers to its ability to:
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What is the primary function of Rough Endoplasmic Reticulum (RER)?
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Which organelle plays a role in the synthesis of lipids and steroids like cholesterol and its derivatives?
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What is the main function of the Smooth Endoplasmic Reticulum (SER)?
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Which organelle stores hydrolases, enzymes responsible for digesting various biological molecules?
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What triggers muscle contraction by being stored in the Smooth Endoplasmic Reticulum?
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Which type of ribosomes are associated with Rough Endoplasmic Reticulum (RER)?
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What role does water play in the human body?
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Which two systems are primarily responsible for the body's homeostasis?
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What happens when the body's temperature falls below 37ºC (98.6ºF)?
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Which of the following is NOT a nutrient essential for the human body?
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Why is oxygen crucial for the human body?
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What percentage of body weight does water typically constitute?
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How does atmospheric pressure impact the body?
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What is the main role of epigenetics in cell biology?
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Which level of structural organization consists of groups of cells and materials that work together to perform a particular function?
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What is the primary function of the cytoskeleton in a cell?
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Which organelle is primarily responsible for the synthesis of lipids and steroids like cholesterol?
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How many levels of structural organization are described above that are part of the human body total organism?
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Which cellular component is responsible for maintaining cellular memory in differentiated cells?
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Which endocrine gland is responsible for producing eggs in females?
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What is the main function of the thymus gland?
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Which organ system is involved in regulating water and electrolyte balance?
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In males, which part of the reproductive system carries sperm to the exterior?
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What is the role of the Pineal gland in the endocrine system?
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Which body cavity contains the kidneys, ureters, urinary bladder, and urethra?
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What is the main function of the scrotum in the male reproductive system?
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Which life process involves the development of a cell from an unspecialized to a specialized state?
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What refers to the sum of all chemical processes that occur in the body, including anabolism and catabolism?
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In terms of body systems, which system is responsible for motion of the whole body, individual organs, and even tiny structures inside cells?
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What is the primary function of anabolism in metabolism?
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Which life process refers to an increase in body size resulting from either cell enlargement or cell division?
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In the context of homeostasis, what mechanism allows the body to respond to changes to maintain internal stability?
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Which anatomical term refers to the study and description of body positions and regions?
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What is the function of the serous membrane in the pleural cavities?
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Which organ is NOT retroperitoneal according to the text?
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What is the role of the peritoneum in the abdominal cavity?
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In which body cavity would you find the tongue and teeth according to the text?
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What is the function of the pericardium in the pericardial cavity?
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Which cavity is filled with a small amount of lubricating serous fluid according to the text?
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Which structure does the parietal pleura line in the chest wall?
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What term is used to describe organs that are posterior to the peritoneum?
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What is lined by the parietal pericardium in the thoracic cavity?
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What is unique about organs in retroperitoneal position?
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What is the primary goal of negative feedback mechanisms in the body?
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Which of the following is NOT an example of a homeostatic control mechanism?
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What is the significant difference between negative and positive feedback mechanisms?
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In terms of homeostatic control, which process occurs faster: positive or negative feedback?
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What is the role of the nervous system in maintaining homeostasis?
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Which body processes involve homeostatic positive feedback mechanisms according to the text?
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What is the fundamental difference between the nervous and endocrine systems in homeostasis maintenance?
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What is a typical outcome of negative feedback mechanisms if there is a change in a controlled condition?
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In the anatomical position, what is the position of the subject's feet?
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Which term describes a body lying faceup?
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What are directional terms used by anatomists for?
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If the body is lying facedown, it is in which position?
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What does the term 'anatomical position' assume about the human body?
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In a transverse section of the body, the division is into which two parts?
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What is assumed about the human body in regional terms?
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What is the function of the parietal layer of a serous membrane?
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Which term describes a body lying facedown?
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Which term describes a membrane that does not open directly to the exterior?
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What do anatomical terms refer to regardless of actual body position?
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What is the term for a cut through the body at a right angle to the sagittal plane?
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What is the purpose of the serous fluid found between the layers of a serous membrane?
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Where are the thoracic and abdominopelvic cavities located?
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What is the term for a section that divides the body into left and right parts?
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What is unique about a midsagittal section of the body?
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What happens to the body when there is severe blood loss?
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What can happen if negative feedback mechanisms become overwhelmed?
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How does lifelong good health relate to homeostasis?
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What factors contribute to lifelong good health according to the text?
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Why is it mentioned that as we age, our body's control systems become less efficient and less stable?
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What is the consequence of positive feedback mechanisms taking over in the body?
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How does severe blood loss impact heart cells?
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What is one example provided in the text of a positive feedback cycle that can lead to death?
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Which life process involves the formation of new cells for tissue growth, repair, or replacement?
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What is the term for the motion of the whole body, individual organs, single cells, and tiny structures inside cells?
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Which life process involves the development of a cell from an unspecialized to a specialized state?
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How does the body respond to changes in the environment according to the text?
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What is the term used to describe the ability of the body to maintain internal stability?
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What is the primary function of stem cells in the process of differentiation?
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In terms of cell processes, what is an increase in body size that results from an increase in cell size or number?
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'Anabolism' and 'catabolism' are processes involved in which broader concept?
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