Lecithins and cephalins are both

Q: Phospholipids ______________     are synthesized in the mitochondria     are amphipathic…

A: INTRODUCTION Amphipathic molecules have hydrophilic or water loving polar end and hydrophobic water…

Q: True/False: The small subunit of a ribosome catalyzes the formation of the peptide bonds that link…

A: Introduction: An mRNA molecule is attached to by a little ribosomal subunit during translation. A…

Q: Protein synthesis occurs in the: nucleus plasma membrane nuclear membrane ribosomes

A: The living organisms are made up of various organ systems. Each physiological system is different.…

Q: For each pair of amino acids, identify which will be eluted first from a cation-exchange column…

A: In Cation Exchange Chromatography, the matrix of the column is composed of negatively charged…

Q: "Tight junctions perform two distinct functions: they seal the space between cells to restrict…

A: Two neighbouring cells that come together to form a barrier are said to have tight junctions.…

Q: One protein made by these cells is (myelin, actin, myosin) that is essential in neurological…

A: The nervous system comprises the brain, spinal cord, and nerves. It transmits electrochemical…

Q: What is the function of albumin?

A: Plasma is a straw coloured viscous fluid which occupies 55% of the total blood volume. Plasma is…

Q: Select the lipid that does not have any fatty acyl groups in its structure: glycerophospholipid,…

A: Chemical structure of fatty acyl group is given below.'R' represents the long hydrocarbon chain of…

Q: two substances from the table above that would need to move into or out of a cell to maintain…

A: 1. Sodium (Na+):Although sodium ions (Na+) are important for nerve impulse transmission and muscle…

Q: Phospholipids are synthesized within the cytosolic half of the smooth ER membrane bilayer. true…

A: The endoplasmic reticulum is a membrane-bound cell organelle found within a cell. There are two…

Q: describe five physiological effects which are mediated by G proteins

A: G proteins are guanosine binding proteins, which mediate GPCR signaling pathways. There are two…

Q: Facilitated diffusion is a lipid-mediated process.   true   false

A: Facilitated diffusion is a process where solutes move from higher concentration to lower i.e. along…

Q: function of cholesterol in the lipid bilateral cell membrane

A: Cell membrane is the biological membrane that separates inside contents from outside environment.…

Q: Fatty acids that are ester-bonded to glycerol (as glycerol-3-phosphate membrane lipids) can be found…

A: Ribosomes do not contain any glycerophospholipids.