Btec Applied Science - L3 - Unit 7 Distinction Exam Paper + Answers

Rough Endoplasmic Reticulum {Ans: Membranes are rough due to the presence of ribosomes. functions in transport of substances such as proteins within the cytoplasm}Smooth Endoplasmic Reticulum {Ans: A membrane system where lipids are synthesized.}What is the palisade layer? {Ans: A tissue made of elongated cells, each containing hundreds of chloroplasts, and is the main site of photosynthesis.}Nuerons {Ans: a nerve cell; the basic building block of the nervous system}Reactivity of group 7 {Ans: decreases as you go down the group}Golgi apparatus {Ans: modifies, sorts, and packages proteins from the endoplasmic reticulum}Metalic bond {Ans: the chemical bonds that bind atoms together in a metal}Alveoli {Ans: air sacs in the lungs}Wave speed equation {Ans: wave speed = frequency x wavelength}Reactivity of group 1 {Ans: More reactive as you go down the group}What is an axon? {Ans: the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.}Plasma membrane {Ans: }Atomic Structure of Carbon {Ans: }What is a permanent dipole {Ans: A small charge difference across a bond that results from a difference in the electronegativities of the bonded atoms}covalent