Biomolecules

Cards (209)

  • Phospholipids are a type of lipid that make up the cell membrane and help regulate the movement of substances in and out of cells.
  • The cell membrane is a double layer of lipids and proteins that surrounds a cell.
  • The cell membrane is composed of a lipid layer which is semipermeable.
  • The cell membrane regulates the transportation of materials and the movement of substances in and out of the cell.
  • Charles Overton suggested that the plasma membrane is composed of lipids.
  • Further studies on the plasma membrane state that lipid must be a phospholipid.
  • Gorter and Grendel proposed that the plasma membrane is composed of a phospholipid bilayer.
  • The term 'cell membrane' was coined by C. Nageli and C. Cramer.
  • Hyponotic refers to a lower concentration of solutes.
  • Osmosis is the diffusion of water through a semi-permeable membrane.
  • Load cells (A, B) identify viruses as foreign proteins that receive chemical signals from other cells.
  • Proteins that involve in letting certain substances in and out of cells are known as ion channels.
  • From a region of high water concentration to a region of lower water concentration, osmosis results in a lower water concentration.
  • The pressure required to prevent the passage of water through a semi-permeable membrane is known as osmotic pressure.
  • Hypertonic refers to a higher concentration of solutes.
  • Isoptonic refers to isotonic and isotonic refers to isotonic.
  • A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.
  • Biological membranes usually involve two layers of phospholipids with their tails pointing inward, an arrangement called a phospholipid bilayer.
  • Cholesterol is another lipid composed of four fused carbon rings, found alongside phospholipids in the core of the membrane.
  • Membrane proteins can be integral membrane proteins or peripheral membrane proteins.
  • Peripheral proteins, also known as extrinsic proteins, are soluble and readily dissociate from the membrane.
  • Integral proteins, also known as intrinsic proteins, are relatively insoluble and dissociate with difficulty.
  • Carbohydrates are present only on the outer surface of the plasma membrane and are attached to proteins, forming glycoproteins, or lipids, forming glycolipids.
  • A phospholipid is a lipid that contains a phosphate group and is a major component of cell membranes.
  • Phospholipids are amphipathic, meaning that they have both hydrophilic and hydrophobic regions.
  • Phospholipids are located at the main fabric of the membrane.
  • The 2-week flow of activities includes bridge discussion, reflection, and review.
  • The 3-2-1 bridge method involves three questions, two answers, and one word that represents your feeling towards the topic.
  • The 3-2-1 bridge method can be used to ask about the major biomolecules that make up living organisms.
  • Biomolecules of life are composed of elements that cannot be broken down further into another substance.
  • Reflection: How does the presence or absence of one of the building blocks affect an organism's health?
  • Stores reserves of a mineral acid, which can be used later to enhance the growth and development of organisms.
  • Carbohydrates serve as the main source of energy in all organisms.
  • Nucleic acids store genetic information, which is translated from one generation to the next in all living organisms.
  • Allowed movement and cause muscle contraction.
  • The elements in organic molecules are pure substances that cannot be broken down further into another substance.
  • Inorganic molecules do not contain carbon and do not contain C02.
  • Water has unique properties that make it suitable for maintaining homeostasis in organisms.
  • Water is a bio logical solution.
  • Water is a lubricant.