Applied Science > EXAM > BTEC Applied science Exam 23 Questions with Verified Answers,100% CORRECT (All)

BTEC Applied science Exam 23 Questions with Verified Answers,100% CORRECT

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BTEC Applied science Exam 23 Questions with Verified Answers covalent bond - CORRECT ANSWER A chemical bond that involves sharing a pair of electrons between atoms in a molecule between two non-metals Ionic Bond - CORRECT ANSWER Formed when one or more electrons are transferred from one atom to another between an metal and non-metal Metalic bond - CORRECT ANSWER the chemical bonds that bind atoms together in a metal Wave speed equation - CORRECT ANSWER wave speed = frequency x wavelength Critical angle equation - CORRECT ANSWER Sin c=1/refractive index Refractive index equation - CORRECT ANSWER Speed of light in a vacuum/Speed of light in the medium = sin i/ sin r What is an axon? - CORRECT ANSWER the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells. Nuerons - CORRECT ANSWER a nerve cell; the basic building block of the nervous system What is the palisade layer? - CORRECT ANSWER A tissue made of elongated cells, each containing hundreds of chloroplasts, and is the main site of photosynthesis. Alveoli - CORRECT ANSWER air sacs in the lungs Atomic Structure of Carbon - CORRECT ANSWER reactivity of group 1 - CORRECT ANSWER More reactive as you go down the group reactivity of group 7 - CORRECT ANSWER decreases as you go down the group converging lens - CORRECT ANSWER lens such that a beam of light passing through it is brought to a point or focus convex lens - CORRECT ANSWER a lens that is thicker in the center than at the edges what is a permanent dipole - CORRECT ANSWER A small charge difference across a bond that results from a difference in the electronegativities of the bonded atoms types of tissues - CORRECT ANSWER epithelial, connective, muscular, nervous slow twitch fibers - CORRECT ANSWER muscle fibers that contract at a slow rate and have very good endurance fast twitch fibers - CORRECT ANSWER muscle fibers that produce fast contractions but fatigue rapidly Golgi apparatus - CORRECT ANSWER modifies, sorts, and packages proteins from the endoplasmic reticulum Rough Endoplasmic Reticulum - CORRECT ANSWER Membranes are rough due to the presence of ribosomes. functions in transport of substances such as proteins within the cytoplasm Smooth Endoplasmic Reticulum - CORRECT ANSWER An endomembrane system where lipids are synthesized, calcium levels are regulated, and toxic substances are broken down. plasma membrane - CORRECT ANSWER

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