
55) a major molecule of the cell contains the atoms, C, N, O, and it may...
6.) Provide short answers for the questions about protein structure below: a.) True or False, amino acid sequence defines the native structure of protein. b.) What is the main type of bonding responsible for stabilizing the secondary structure of proteins? c.) Briefly discuss the thermodynamics of protein folding into its native 3D structure. Is this process enthalpy driven or entropy driven? d.) Give an example of 2 major secondary structural motifs found in polypeptides. Do any of these motifs appear...
60) Lipids are composed of: c) fatty acids and glycerol amino acids and glycerol nucleic acids and glycerol fatty acids and water fatty acids and sugar e) 61) The bond between two amino acids is a: a) hydrogen bond b) covalent bond c) peptide bond d) b and c e) none of the above 62) Hemoglobin has which tertiary structure: a) fibrous b) globular c) four subunits--two alpha chains, two beta chains d) alpha helix e) none of the above...
1.)Carbohydrates are aldehydes or ketones that contain multiple ___________ groups. hydroxyl phosphate methyl amino 2.) The type of lipid that contains a four-ring structure and does not contain fatty acids is: glycolipid. phospholipid. steroid. triglyceride. none of the above 3.)Amino acids contain a(n): "R" side chain. carboxylic acid group. amine group. all of the above none of the above 4.An alpha helix is an example of which type of structure? Primary Structure Secondary Structure Tertiary Structure Quaternary Structure Pental Structure...
The smallest chemical units of matter are atoms b) molecules c) protons d) neutrons e) electrons . Which of the following would have the largest size? a) an atom b) a molecule c) a proton d) a neutron e) an electron 3. Isotopes of an element differ in the number of a) protons in the nucleus b) electrons in the nucleus © neutrons in the nucleus d) electron clouds e) energy levels they contain 4. VO The atomic number represents...
IDIOSY CORE Nne Lecture test 2 on the chemicals of Lite Name: 51. Picture a globular protein in the cytoplasm of a cell. Where would you find the following amino acids: alanine and serine? COOCOO A Serine would be in the interior, and alanine would be on the exterior of the globular protein HN-C-H HŇ-Ć-H R Alanine would be in the Interior and serine would be on the exterior of the CHOH CH3 globular protein C Both serine and alanine...
Question 1
The protein in the diagram is (circle all that apply):
Group of answer choices
a) a peripheral membrane protein
b) an integral membrane protein
c) a lipid anchored protein
Question 2
The protein shown in the diagram could potentially function as
(circle all that apply):
Group of answer choices
a) a receptor
b) a transmembrane anchor
c) a pore or channel
Question 3
The protein shown in the diagram has which of the following
(choose all that apply)?...
43. Oxygen has 8 electrons and Argon has 18 electrons. What type of molecule would be formed it these two elements reacted. a) No reaction would occur. b) They would form an lonic hond with the Amon giving electrons to Oxygen. c) They would form a covalent bond by sharing 2 electrons. d) 2 argons would bond to oxygen. e) C and D are possible. 44. Magnesium (*2 Mg 24) forms bonds with how many Chlorine (CIS) atoms? a) 4,...
QUESTION 1 To study how proteins fold, scientists must be able to purify the protein of interest, use solvents like urea to denature the folded protein, and observe the process of refolding at successive time points. What is the effect of the solvents used in the denaturation process? a. The solvents break all noncovalent interactions. b. The solvents break all covalent interactions. c. The solvents create a new folded conformation. d. The solvents break some of the noncovalent interactions, resulting...
(CHO)n- CH1403a-C7H1407 C7H107 cellulose and chitin- starch and glycogen-sucrose-galactose- maltose-fructose-fatty acids- polymer-monomer-saturated- unsaturated-glycerol- glycogen-collagen hemoglobin-ribose- nitrogen base- chitin-phosphate group-insulin-pentose sugar-carbon- nitrogen- hydrogen-phosphorus- steroids- hydrolysis- dehydration-hydrogen bond- covalent bond-peptide bond- disulfide bond-guanine-cytosine- adenine-thymine- uracil-van der Waals-hydrophobic- sugar and phosphate bond- 1.A is a large organic molecule that contains repeating subunits called 2. A has fatty acids with double bonds, is liquid at room temperature and comes from a plant source. 3. Amino acids are joined together by bonds. 4. All molecules...
1. Which of the following are the sites within the human body where carbon dioxide and oxygen are exchanged? A. Alveoli B. Arteries C. Synapses D. Venules 2. Which of the following describes the most important reason for repeating an experimental investigation? A. To verify the validity of the original findings B. To expand upon the original investigation C. To manipulate the independent variable D. To attempt to disprove the hypothesis 3. Lithium has an atomic number of 3 and...