Protein folding - Study guides, Class notes & Summaries

USABO semi-final part A&B Questions and Answers 100% Correct. 1) The recent SARS virus is a: a) Lentivirus b) Coronavirus c) Egtved virus d) Baculovirus e) Retrovirus 2) Which of the following cell organelles is typically identified by its sedimentation coefficient? a) Golgi apparatus b) Mitochondria c) Nucleus d) Nucleolus e) Ribosome 3) Timber companies plant trees right after clear-cutting. Which of the following ecological and/or evolutionary processes would, in principle, take...

AP Biology Exam Review 2024/2025 with Complete Solutions Protein A three dimensional polymer made of monomers of amino acids. primary structure sequence of amino acids secondary structure Either an alpha helix or beta pleated sheet due to the interactions of H-bonds tertiarty structure R-group interactions cause further folding to contribute to the overall globular protein shape quarternary structure The overall protein structure that results from the aggregation of two or more po...

LifeSci 2A03 Test 1 Questions and Answers 100% Pass What is the primary function of the mitochondria in eukaryotic cells? They produce ATP through cellular respiration, providing energy for various cellular processes. How do lysosomes contribute to cellular homeostasis? They break down and recycle cellular waste, damaged organelles, and macromolecules to maintain cellular balance. What role does the endoplasmic reticulum play in protein synthesis? The rough endoplasmic reticu...

Honors Biology Semester 1 Final Study Guide with Complete Solutions How do plasmodesmata function in plant cell communication? Plasmodesmata are channels that connect plant cells, allowing the transfer of water, nutrients, and signaling molecules between them. What is the significance of operons in prokaryotic gene regulation? Operons allow prokaryotes to regulate the expression of genes by controlling the transcription of multiple genes simultaneously. How does the secondary str...

Which of the four phases of a microbial population's growth and development would be the best for optimally preserving food quality, shelf life, and protecting food safety? Correct Answer-exponential? In the image below depicting the onset of sublethal injury in a population of a microorganism, which line (solid or dotted) correctly depicts the actual population of living/viable microorganisms during processing exposure and thereafter? Each line depicts the changes in counts of a microorgani...

Biochemistry Final Exam Questions and Answers Already Passed What role do protein domains play in enzyme function? Protein domains allow enzymes to perform specific functions, often facilitating interactions with other molecules or substrates. How do post-translational modifications affect protein behavior? They can alter protein activity, localization, and stability, enabling dynamic responses to cellular signals. What is the significance of the "lock and key" model in e...

Bi 112 Exam 1 Questions and Answers Graded A+ What is the role of the cytoskeleton in a eukaryotic cell? The cytoskeleton provides structural support and helps with cell movement, division, and intracellular transport. Why is the process of DNA replication important before cell division? DNA replication ensures that each daughter cell receives an identical copy of the genetic material. What is the function of the rough endoplasmic reticulum in protein synthesis? The rough ER is ...

Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? - ANSWER The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The membrane permits the movement of water but not salt. The...

CAPS 421 MT 1 Exam Questions and Answers What is the life cycle of proteins? - Answer-Translation, Targeting/Translocation, Folding, and Degradation. Degradation can happen during targeting/translocation or folding. What are the two possible ways a cytosolic protein can be degraded? - Answer-1.) Autophagic pathway 2.) Ubiquitin-proteasome pathway What are vesicles? How do autophagosomes differ? - Answer-Small pinched off invaginations of membranes Autophagosomes are double membraned ...

Biochem Exam 1 Questions and Answers Graded A+ What happens to enzymes when the temperature slightly increases within an optimal range? The enzyme activity increases as the kinetic energy of molecules rises, allowing more frequent collisions between enzyme and substrate. Why do hydrophobic amino acids tend to cluster together in the center of a protein? To avoid contact with water, stabilizing the protein's structure. What is the significance of the "lock and key" model...