Cellulose - Guides d'étude, Notes de cours & Résumés

Mark Scheme (Results) Summer 2023 Pearson Edexcel GCE In Biology Spec A (8BN0) Paper 02 Development, Plants and the EnvironmentEdexcel and BTEC Qualifications Edexcel and BTEC qualifications come from Pearson, the world’s leading learning company. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. For further information, please visit our website at . Our website subject pages hold useful resources, support mate...

Phosphorus has an atomic number of 15. This tells us that... - Answer-there must be 15 protons True or False: covalent bonds are stronger than ionic and hydrogen bonds because atoms that are joined with covalent bonds share electrons - Answer-True An e- in a hydrogen atom exists in the first valence shell. The valence e- of Aluminum exist in the 3rd shell. Which valence shell e- have higher potential energy and why? - Answer-the valence e- of aluminum, bc higher e- shells have higher energy...

Combustion can occur within a range of concentration of fuel vapor and air; this range is referred to as the: A) vapor pressure range. B) surface to mass range. C) flammable (explosive) range. D) oxidation (combustion) range. - ANSWER-C Which statement describes the factor that MOST influences compartment fire development? A) Whether the fire is fuel-limited or ventilation-limited B) Whether the fuel is cellulose-based or petroleum-based C) Ratio of square footage to ceiling height of ...

Humans and mice differ because - CORRECT ANSWER-their cells have some differences in the sequence of nucleotides in their nucleic acids. Molecules with which functional groups may form polymers via dehydration reactions? - CORRECT ANSWER-either hydroxyl or carboxyl groups Which of these molecules is not formed by dehydration reactions? - CORRECT ANSWER-fatty acids In animal metabolism, most of the monomers released by digestion of food macromolecules are metabolized to provide energy. O...

an organism that can use CO2or CO3- (i.e., inorganic C) as a C source, and obtain energy from the sun (photo) - or from the oxidation of inorganic elements or compounds such as iron, sulfur, hydrogen, ammonium, and nitrites (chemo)? correct answer: Autotroph such as plants, algae, cyanobacteria, etc. an organism that can only get carbon and energy from organic compounds? correct answer: Heterotroph such as bacteria, fungi, protozoa, etc. an organism that grows only in the presence of mol...

GCU BIO-182 Exam 2 With 100% Correct Answers 2024 Green Algae - answer____________ called charophytes are the closest relatives of land plants. Land plants share four key traits with only charophytes - answer• Rings of cellulose- synthesizing complexes • Peroxisome enzymes • Structure of flagellated sperm • Formation of a phragmoplast Sporopollenin - answerIn charophytes a layer of a durable polymer called _____________ prevents exposed zygotes from drying out Sporopollenin - ...

Organic Chemistry Module 8 Portage 219 100% VERIFIED SOLUTIONS Polymer - ANSWER large molecule made by repetitive linking of smaller units (monomers) Macromolecule - ANSWER very large molecule composed of thousands of covalently bonded atoms (ex: polymer) 1. natural (in nature) 2. synthetic (in lab) - ANSWER two ways polymers are made rubber, carbs: starch & cellulose, proteins, nucleic acids DNA, RNA - ANSWER natural polymers nylon, teflon, styrofoam, polyethylene, Dacron, - AN...

BLG1501 Assignment 2 Semester 1 2024 (Solutions) Question 1 Not yet answered Marked out of 2.00 Flag question Question text Hydrolysis is reaction which occurs when Select one: a. a bond of a polymer is broken down through the addition of water molecule. b. two molecules are covalently bonded to each other through the loss of water. c. a double bond is formed between two atoms. d. a triple bond is formed between two atoms. Clear my choice Question 2 Not yet answered Marked o...

Nevada C3 Latest Update Graded A+ Termites as a group are the major wood destroying pest, more time money and effort are spent on prevention and control than all other wood destroying pests combined. Subterranean Termite Arid land and Western Sub are so similar they're indistinguishable.3 CASTES per colony: Reproductives, Soldiers and Workers/Nymphs. The Reproductives are categorized by Primary and Supplementary. Primary reproductive is a winged adult called an "Alate" The QUEEN IS ...

Straighterline Microbiology Final Exam 2024 Questions With 100% Correct Answers The study of evolutionary relationships among organisms is called ______. - answerphylogeny The three cell types discussed, eukaryotes, archaea, and bacteria, all derived from ______. - answerLast Universal Common Ancestor Organisms called parasites are ______. - answeralways harmful to their host Which of the following does not indicate microbe involvement in energy and nutrient flow? - answerThermal hot spr...