Covalent compound - Study guides, Class notes & Summaries

AQA CHEMISTRY A LEVEL WITH COMPLETE SOLUTIONS covalent bond - ANSWER-a shared pair of electrons between non-metal elements co-ordinate bond - ANSWER-a shared pair of electrons where both electrons are supplied by one atom repulsion in shapes of molecules - ANSWER-Lone pair-lone pair > lone pair-bonding pair > bonding pair-bonding pair electronegativity - ANSWER-the power of an atom to attract the pair of electrons in a covalent bond hess' law - ANSWER-Total enthalpy chang...

Cancer can result if a)mitosis is too infrequent. b)mitosis is too frequent or does not stop. c)the cell cycle runs backward. d)the cell cycle stops. - ANSWER-mitosis is too frequent or does not stop The secondary structure of a protein molecule is the result of a)ionic bonds. b)covalent bonds. c)hydrogen bonds. d)oxygen double bonds - ANSWER-hydrogen bonds. Which of the following lists best illustrates the idea of increasing levels of complexity? a)Organelles, cells, tissues, o...

what does the biological activity of a protein depend on? Correct Answer-it's 3D structure and its interaction with other molecules prosthetic group Correct Answer-a metal ion or organic compound (other than an amino acid) covalently bound to a protein and essential to its activity modification types of amino acids Correct Answer- primary structure Correct Answer-a description of the covalent backbone of a polymer, including the sequence of monomeric subunits and any interchain and int...

BIO 1201 - MORONEY - EXAM 1 Questions With 100% Correct Answers Which statement about ALL living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron B ...

Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above - Answer-C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron - Answer-B Sulfur has 6 electrons in its outer electron shell. It comb...

UCI Bio 93- Midterm 1 Latest Version Already Passed smallest unit of chemical elements atoms two or more atoms combined molecules two or more elements combined in a fixed ration compound ... are 4 elements that make up 96% of all living matter C, O, H, N what is the strongest bond? covalent bond sharing of electrons by two atoms covalent transfer of electrons between two atoms ionic what is a weak bond? hydrogen bond the H atom forms one covalent bond and a second w...

BIO 1201 - MORONEY - EXAM 1 SAMPLE/QUIZ 1 WITH COMPLETE SOLUTIONS Which statement about *ALL* living things is true? a. all living things are capable of sight b. all living things have a nervous system of some sort c. all living things are capable of reproduction d. all of the above e. non of the above C Compared to 40^K, the isotope 39^K has a. a different atomic number b. one less neutron c. one less proton d. one less electron e. one less proton and one less electron B...

Anatomy the study of structure Physiology the study of function Metabolism all the chemical reactions that happen in our body cells Catabolism the breakdown of complex molecules into simpler ones. Catabolic reaction Anabolism The building up of complex molecules from simpler ones Levels of Structural Organization Atom (chemical), Molecule (chemical), Cell tissue, Organ, Organ System, Organism Homeostasis The maintenance of the internal environment regardless of external conditionsNegative...

Biology 1201 Final Exam Gregg with Complete Solutions subatomic particles protons, neutrons, electrons Proton charge and location positive, nucleus neutron charge and location neutral, nucleus Electron charge and location negative (-) and outside nucleus in electron cloud valence electrons electrons in the outermost shell incomplete valence shells atoms can share or transfer electrons with other atoms, or make chemical bonds Atoms valence Bonding capacity = the number of...

Testbank for Biology 2nd Edition from OpenStax CollegeChapter 1 1 Figure 1.6 1: C; 2: F; 3: A; 4: B; 5: D; 6: E. The original hypothesis is incorrect, as the coffeemaker works when plugged into the outlet. Alternative hypotheses include that the toaster might be broken or that the toaster wasn't turned on. 3 Figure 1.16 Communities exist within populations which exist within ecosystems. 4 B 6 D 8 C 10 C 12 B 14 D 16 Answers will vary, but should apply the steps of the scientific method. One pos...