Quiz Chapter 3 Cells. Cuboidal epithelium are located in glands and in the lining of kidney tubules as well as the ducts of glands. A Chromosome contains a single, very long, molecule of DNA. The net movement of a substance from where it is in higher concentration to where it is in lower concentration. This method involves death of the cell. Nuclear envelope forms by rER. What are the four stages of Cell Division or Mitosis? Cells are active and grow vigorously and centrioles start to replicate. The product is then diffused into other cells. STUDY. Amino Acids on the ribosomes are linked together to form protein. Match. 0. Haematopoietic stem cells (HSCs) reside in the bone marrow and have the unique ability to give rise to all mature blood cell types through differentiation into other progenitor cells. Gametes contain 23 single chromosomes (22 autosomes and 1 sex chromosome) and 1N amount of DNA. Fibrillin is essential for the formation of the elastic fibers found in connective tissue. Pinocytosis is fluid phase endocytosis, where a small infolding of the plasma membrane surrounds a small quantity of ECF containing dissolved molecules. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The net result of internal respiration is the diffusion of oxygen into the tissues and the diffusion of carbon dioxide into the blood. Aneuploidy, abnormal number of chromosomes, can be trisomy or monosomy. Cardiac Muscle is also an "involuntary muscle" but is a specialized kind of muscle found only within the heart. Learn brain anatomy with free interactive flashcards. Oncogenes are the result of mutations of certain regulatory genes, called protooncogenes, which normally stimulate or inhibit cell proliferation and development. Synapsis is absent, Crossing Over is absent, Alignment of 23 duplicated chromosomes at the metaphase plate. Organisms whose cells have a nucleus and organelles are known as _________, The plasma membrane of cells is composed primarily of lipids known as__________, The movement of molecules from a region of high concentration to a region of low concentration is referred to as_____________, Water molecules move across the plasma membrane from a region of low solute concentration to a region of high solute concentration in the process of___________, Facilitated diffusion takes the place in the plasma membranes with the assistance of __________, When chemical substances are moved from a region of low concentration to a region that is already high in concentration, the process is known as_____, Endocytosis can imply phagocytosis when particulate matter is taken into the cell, but when droplets of fluid are taken in, the process is known as__________, A nucleus is present in all human cells except, Proteins providing a supportive framework for the DNA in chromosomes are composed of __________, The dense mass within the nucleus containing ribonucleic acid is referred to as___________, When ribosomes are present on the endoplasmic reticulum, the endoplasmic reticulum is said to be___, Before being sent to their final destinations, proteins and lipids are processed in a cellular organelle called the ___________, Organelles where cell energy is released from food molecules and where ATP molecules are produced are the____________, The main components of the cytoskeleton are intermediate filaments, microfilaments and, Those chemical reactions taking place in the body and accompanied by a release of energy are known as____________, Those chemical reactions in which energy is obtained and trapped from the environment are called ________, Proteins that speed up chemical reactions while themselves remaining unchanged are__________, with a few exceptions, the names of enzymes end in________, The immediate energy currency used by virtually all cells of the human body is ___________, When the temperature increases, the rate of an enzyme reaction____________, The three parts of an ATP molecule are adenine, phosphate units, and the sugar known as _________, In the cell nucleus, DNA molecules are wound around globules of histone to yeild___________, During the time the chromosomes cannot be distinguished, the mass of DNA in the cells nucleus is called_____________, The phase of the cell cycle during which the cell divides to form two daughter cells is called________, The phase of interphase in which the DNA replicates in preparation for mitosis is_____________________, The phase of interphase when the cell synthesizes its structural proteins and enzymes__________, During the G2 phase of interphase, the cell prepares for mitosis and proteins organize themselves into a series of fibers called______________. The human body is made up of 50 to 100 trillion cells and each cell is designed to perform a variety of functions to keep your body is functioning shape. Derived from mesoderm. Flat, cell nuclei appear as bumps. Cell Physiology - Test 1 Learn with flashcards, games, and more — for free. Cell Physiology. Cisternae have a cis (convex) and a trans (concave) face. the cell grows and carries on its usual activities. The entire body is composed of only four major types of tissues. Human Anatomy and Physiology : CCSF Home | Biology Home | Site Map: Home. Cells & Energy, Matriks : 207775 5 Written questions 1. What is the Smooth Endoplasmic Reticulum? Cytoplasm is the cellular region between the nucleus and the membrane. They radiate out from the centrosome region close to the nucleus. Hydrogen Peroxide, although reactive and dangerous, is converted into water and oxygen by catalases which break down poisons like alcohol, phenol, and formaldehydes that have entered the body. Grouping of the four types of tissues into anatomical and functional units, Groups of Organs grouped together through common function. Fat soluble Small non-polar Very small polar. Spell. Key Concepts: Terms in this set (33) Simple diffusion def. What are the three different modes of Secretion in the exocrine glands? Exocrine glands are glands that retain ducts to body surfaces. 1.The only form of transport that is not carrier mediated. Centromeres split. Mucus and Protein secretions from the glands in the body. Cell physiology. By binding to components within the matrix they serve as adhesion molecules between cells and the extracellular matrix. They prevent the passage of ions and molecules through the space between the cells. These are moved to apical surface where the vesicles coalesce with the membrane on the apical surface to release the product. Microtubules, Microfilaments, and Intermediate Filaments. STUDY. Multicellular exocrine glands are classified by the structure of their ducts as simple or compound, and by the structure of their secretory units as tubular, alveolar (acinar), or tubuloalveolar. Involves a decrease of energy production by radical-damaged mitochondria which weakens and ages the cell. Chromosomes cluster at the middle of cell, to form a metaphase plate. Protein synthesis. Log in Sign up. DNA helix wraps around clusters of eight spherical proteins called histones, which regulate gene expression and transcription. Receptor-Mediated Endocytosis is a selective mechanism. Endocrine glands are ductless glands. Free ribosomes make the protein used in cytosol. What are three things the membrane is composed of and what is embedded in the membrane? Meiosis is a specialized version of mitosis that occurs only in the production of gametes. Neoplasms are defined as benign or malignant. Describe the function and location of a stratified columnar epithelium. It contains parts of chromosomes and is cell's ribosome producing machine (Has genes that code for rRNA). The transport rate increases as the concentration of the solute increases, until the carriers are saturated. E-mail Dr. Grass . skeletal muscle, however mature red blood cells have no nucleus (annucleate) at all. Low Density Lipoproteins: Molecules that carry cholesterol in the blood to the body's cells. Actin interacts with another protein called myosin, and generates contractile forces within the cell. Down Syndrome (trisomy 21), Klinefelter Syndrome (XXY), and Turner Syndrome (X0) is monosomy. --can look at INTERNAL structures of a cell --produces FLAT images . Search. Cell drinking or Mitosis & Cell Reproduction, What are three factors holding epithelial cells together?