LQB182 TESTS COMPILATION BUNDLE

What are the bonds that hold elements together? From strongest to weakest. Correct Answer: - Covalent bond - Ionic Bond - Hydrogen Bond - Van Der Waal's forces What is one of the main functions of Cysteine as an amino acid? Correct Answer: Formation of Di-sulphide bridges What are the 4 ...

The charge state of protons, neutrons, and electrons are _______. Correct Answer: positive, neutral, negative, respectively The reactivity of an atom arises from ______. Correct Answer: the existence of unpaired electrons in the valence shell Atomic number indicates _______. Correct Answer: ...

Storage of DNA info Correct Answer: -in the sequence of bases -5' to 3' -chromosomes= 51 million to 245 million base pairs -information in DNA used for replication of chromosomes, production of proteins and regulation -average gene = 1400 bp The central dogma Correct Answer: replication D...

1.Which of these statements is true about isotopes? A. The same number of neutrons and electrons, but different number of protons B. The same number of protons and neutrons, but different number of electrons C. The same number of protons and electrons, but different number of neutrons D. All pro...

LQB182 Lectorial 3 Cells, Organelles, and Cell Skeletons Just as your body is comprised of organs, so too is the cell comprised of organelles. Your skin is analogous to the plasma membrane of the cell, it aids in defence, controlling what goes in and what goes out, responding to environment throu...

1. Complete your name and student number at the top. 2. Answer the questions below. 6 marks worth 6%. Q1. RESULTS – these are the data you have obtained from the microscopy images. (1 mark) You must show your working to gain full marks. Total number of chloroplasts per cell from 6 independent ...

LQB182 Lectorial 2 Proteins, Carbs, and Fats Answers Proteins Here is the amino acid Cysteine: Q1. Circle the “R” group of this amino acid. R group is the functional group of an amino acid that gives it its unique/specific physiochemical properties. Q2. Put a box around the amide group of t...

The reactivity of an atom arises from Correct Answer: the existence of unpaired electrons in the valence shell. Covalent bonds differ from ionic and metallic bonds because in covalent bonding Correct Answer: pairs of electrons are shared Water contains 2 atoms of hydrogen and 1 atom of oxyge...

Proteins Correct Answer: Large molecules composed of one or more long chains of amino acids; structural components of body tissues such as muscle, hair, etc., and as enzymes and antibodies. Lipids Correct Answer: Any of a class of organic compounds that are fatty acids, or their derivatives, an...