Notes in ✧ Cellular Structure and Homeostasis

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Published 01/14/2024 What is the major form of DNA in the cell?
Published 01/14/2024 What are the precursor molecules synthesized within the chromatin?
Published 01/14/2024 Nucleosomes contain these four types of histones.
Published 01/14/2024 What is embedded in the cytoplasm?
Published 01/14/2024 What are the two types of cells found in living organisms?
Published 01/14/2024 What are the characteristics of heterochromatin?
Published 01/14/2024 What are the characteristics of euchromatin?
Published 01/14/2024 What are the different types of junctions in the cell membrane?
Published 01/14/2024 What are the three types of feedback regulation involved in homeostasis?
Published 01/14/2024 What is the structural unit of all living organisms?
Published 01/14/2024 What are examples of prokaryotic cells?
Published 01/14/2024 What are examples of eukaryotic cells?
Published 01/14/2024 What are the two basic parts of a cell?
Published 01/14/2024 What is the function of the cell membrane?
Published 01/14/2024 What is the composition of the cell membrane?
Published 01/14/2024 What is the appearance of the nucleus?
Published 01/14/2024 What is the diameter range of the nucleus?
Published 01/14/2024 What is the nucleolus?
Published 01/14/2024 What are the components of the nucleolus as seen in electron microscopy?
Published 01/14/2024 What is the nuclear matrix?
Published 01/14/2024 What is the function of the nuclear matrix?
Published 01/14/2024 What is the composition of the cytoplasm?
Published 01/14/2024 What are organelles?
Published 01/14/2024 What are mitochondria?
Published 01/14/2024 Where are mitochondria typically found in the cell?
Published 01/14/2024 What is the difference between light microscopy and electron microscopy?
Published 01/14/2024 What is the structure of the nuclear envelope as seen under electron microscopy?
Published 01/14/2024 What is the function of the mitochondrion?
Published 01/14/2024 What is the structure of the mitochondrion as seen under electron microscopy?
Published 01/14/2024 What is the structure of the nuclear envelope as seen under electron microscopy?
Published 01/14/2024 What is the function of the cristae in the mitochondrion?
Published 01/14/2024 What are nuclear pores?
Published 01/14/2024 What is chromatin composed of?
Published 01/14/2024 What is the basic structural unit of chromatin?
Published 01/14/2024 Where is the adenosine diphosphate (ADP) to adenosine triphosphate (ATP) phosphorylating system localized?
Published 01/14/2024 What is the endoplasmic reticulum?
Published 01/14/2024 What is the rough endoplasmic reticulum?
Published 01/14/2024 What is the function of the rough endoplasmic reticulum?
Published 01/14/2024 What is the function of ribosomes?
Published 01/14/2024 What is the difference between smooth endoplasmic reticulum (SER) and rough endoplasmic reticulum (RER)?
Published 01/14/2024 What is the role of smooth endoplasmic reticulum in muscle cells?
Published 01/14/2024 What are ribosomes composed of?
Published 01/14/2024 How do ribosomes and mRNA interact?
Published 01/14/2024 What are the two subunits that come together to form ribosomes?
Published 01/14/2024 Where are RNAmolecules of both ribosomal subunits synthesized?
Published 01/14/2024 Where are the numerous proteins of the ribosomal subunits synthesized?
Published 01/14/2024 What is the function of the Golgi apparatus?
Published 01/14/2024 What does the Golgi apparatus initiate?
Published 01/14/2024 What is the main function of lysosomes?
Published 01/14/2024 Where are lysosomal enzymes synthesized?
Published 01/14/2024 What is the main function of hydrolytic enzymes?
Published 01/14/2024 What happens to lysosomal enzymes after synthesis?
Published 01/14/2024 In which type of cells are lysosomes abundant?
Published 01/14/2024 What is the cytoskeleton?
Published 01/14/2024 Why do sites in the cytoplasm rich in ribosomes stain intensely with hematoxylin and basic dyes?
Published 01/14/2024 What is the size range of spherical membrane-limited organelles called Peroxisomes (microbodies)?
Published 01/14/2024 What do peroxisomes contain?
Published 01/14/2024 What determines the amino acid sequence of the protein synthesized?
Published 01/14/2024 What is the role of ribosomes in protein synthesis?
Published 01/14/2024 What is the function of the compact core of each ribosome?
Published 01/14/2024 What is the role of the peripheral proteins of the ribosome?
Published 01/14/2024 Where are proteins synthesized for use within the cell cytosol?
Published 01/14/2024 What type of proteins are synthesized on polyribosomes within the cell cytosol?
Published 01/14/2024 How do polyribosomes attached to the membranes of the endoplasmic reticulum translate mRNA?
Published 01/14/2024 What are microtubules made up of?
Published 01/14/2024 What is the thickness of the dense wall of microtubules?
Published 01/14/2024 What is the diameter of intermediate filaments?
Published 01/14/2024 What is the role of keratins in epithelial cells?
Published 01/14/2024 Where is desmin found?
Published 01/14/2024 Where is vimentin found?
Published 01/14/2024 What is Desmin found in?
Published 01/14/2024 What is Vimentin found in?
Published 01/14/2024 Where are Glial Filaments found?
Published 01/14/2024 What are Neurofilaments found in?
Published 01/14/2024 What are Inclusions in cells?
Published 01/14/2024 Where are accumulated proteins usually stored?
Published 01/14/2024 What is the general structure of all cell membranes?
Published 01/14/2024 What is the composition of cell membranes?
Published 01/14/2024 What are transmembrane proteins?
Published 01/14/2024 What are the specialized mechanisms provided by cell membranes?
Published 01/14/2024 What do Integral (Intrinsic) proteins provide specialized mechanisms for?
Published 01/14/2024 What is the role of cholesterol at low temperatures?
Published 01/14/2024 What do carbohydrates moieties of glycoproteins and glycolipids project from?
Published 01/14/2024 What are the important interactions that receptors participate in?
Published 01/14/2024 What can peripheral (extrinsic) proteins do without damaging the cell membrane?
Published 01/14/2024 What properties do some peripheral proteins have?
Published 01/14/2024 What can result from the activation of peripheral proteins?
Published 01/14/2024 What are the major constituents of the cell membrane?
Published 01/14/2024 What are the components of phospholipids?
Published 01/14/2024 Where is cholesterol generally more abundant in the plasma membrane?
Published 01/14/2024 What are aqueous (ungated) channels?
Published 01/14/2024 What are glycosphingolipids?
Published 01/14/2024 Where are glycolipids located in the cell membrane?
Published 01/14/2024 How are phospholipids distributed in the cell membrane?
Published 01/14/2024 What is the role of cholesterol in the fluidity of cell membranes?
Published 01/14/2024 What happens to the fluidity of the membrane at high temperatures in the presence of cholesterol?
Published 01/14/2024 What type of channels are voltage-gated channels?
Published 01/14/2024 What type of channels are mechanically-gated channels?
Published 01/14/2024 What is required for ligand-gated channels to open?
Published 01/14/2024 What is required for G protein-gated channels to open?
Published 01/14/2024 What are membrane junctions?
Published 01/14/2024 What is the function of zonula adherens?
Published 01/14/2024 What happens to the activity of the stomach in anticipation of food consumption?
Published 01/14/2024 What is the stability of an internal environment variable achieved by?
Published 01/14/2024 What are the most apical junctions in some epithelia?
Published 01/14/2024 What is the appearance of tight junctions?
Published 01/14/2024 What is revealed by cryofracture of tight junctions?
Published 01/14/2024 What are inserted into dense plaques of material on the cytoplasmic surfaces of zonula adherens?
Published 01/14/2024 What do the plaques of zonula adherens contain?
Published 01/14/2024 What type of feedback brings about responses that tend to move the variable in the direction opposite the original change?
Published 01/14/2024 What do homeostatic control systems cannot maintain?
Published 01/14/2024 What will a regulated variable have?
Published 01/14/2024 What is the setpoint of a regulated variable?
Published 01/14/2024 What is the set point of variables regulated by homeostatic control systems?
Published 01/14/2024 What is the purpose of gap junctions?
Published 01/14/2024 What is the distance between cell membranes in desmosomes?
Published 01/14/2024 What is homeostasis?
Published 01/14/2024 What is an example of negative feedback in the body?
Published 01/14/2024 What is an example of positive feedback in the body?
Published 01/14/2024 What is a reflex?
Published 01/14/2024 What is a reflex arc?
Published 01/14/2024 Are reflexes always automatic and stereotyped?
Published 01/14/2024 Are reflexes only negative feedback control systems?
Published 01/14/2024 Are all reflexes subject to alteration?
Published 01/14/2024 What is the process of local homeostatic response?
Published 01/14/2024 Give an example of a local homeostatic response.
Published 01/14/2024 What processes are related to homeostasis?
Published 01/14/2024 What is feedforward regulation?
Published 01/14/2024 What does acclimatization refer to?
Published 01/14/2024 What are tight junctions also known as?
Published 01/14/2024 What are biological rhythms?
Published 01/14/2024 When are homeostatic mechanisms activated?
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