Describe myosin - Study guides, Class notes & Summaries

Where does translation always start? correct answers cytoplasm Do proteins destined for the nucleus (eg TF) also get translated in the cytoplasm? correct answers Yes, they must exit the nucleus to get translated and then get transported back into the nucleus What strategies do you think the cell can use to get proteins to the right place within the cell? correct answers - protein tagging What mechanisms do cells use to transport proteins to the right place within the cell? correct answe...

Biology 235 Final Exam Questions With 100% Correct Answers 2024/2025 What is afterload with regards to artery anatomy? - answerElastic arteries - stretch and recoil during pressure pulses Amount of elasticity determines force of afterload How do arterioles affect afterload? - answerProvide vascular resistance and regulate regional blood flow via sympathetic vasomotor tone and pre-capillary sphincters What 4 mechanisms regulate blood pressure in the body? - answerBaroreflex Chemoreceptor ...

BIOCHEM ACS STUDY GUIDE QUESTIONS AND ANSWERS 2024. Each of the following subcellular structures contains DNA EXCEPT A. the nucleus. B. ribosomes. C. chloroplasts. D. mitochondria. - ANSWER- B In plant and animal cells, the three-dimensional integrity of the cell is maintained, in part, by an internal network of filaments called A. the cell wall. B. the Golgi apparatus. C. the cytoskeleton. D. the endoplasmic reticulum. - ANSWER- C Of the following, which are prokaryotes? A. viruses...

Biology 235 Final Exam Questions With 100% Correct Answers 2024/2025 What is afterload with regards to artery anatomy? - answerElastic arteries - stretch and recoil during pressure pulses Amount of elasticity determines force of afterload How do arterioles affect afterload? - answerProvide vascular resistance and regulate regional blood flow via sympathetic vasomotor tone and pre-capillary sphincters What 4 mechanisms regulate blood pressure in the body? - answerBaroreflex Chemoreceptor ...

Bios255, Comprehensive Exam This examination covers content learned in BIOS251, BIOS252, and BIOS255. This exam is worth 100 total points, consisting of 50 multiple-choice questions. You have 75 minutes to complete the Exam. Bios251 Describe a positive feedback system A positive feedback system is mechanism in which the system responds to the perturbation in the same direction as the perturbation. Positive feedback is essentially a feedback mechanism that results in the amplification or growth o...

Final Exam: BIOS 252 / BIOS252 (2024/ 2025 Update) Anatomy and Physiology II Exam Review| Questions and Verified Answers| 100% Correct| Rated A -Chamberlain Q: Describe the sliding contraction theory Answer: Acetylcholine NT is released from synaptic end bulbs of neuron, crossing over synaptic cleft, binds to ligand gated receptor present on muscle tissue sarcolemma, generating a muscle end action potential traveling down the T-Tubule. This activates the sarcoplasmic reticulum t...

Who gets harmed, who benefits in each type of interaction? - • Mutualism (prey and predatory benefit from interaction) • Consumption (one benefits and one is harmed by interaction. Includes: predation, parasitism, herbivory) • Competition (both are harmed by interaction - but one harmed more than the other) What is "facilitation" and how does it play out over time? - Facilitation: an interaction in which one species has a positive effect on the survival and reproduction of another ...

Bio 161 Exam 4 Review with Complete Solutions What is another term for an individual muscle cell? - Answer: Muscle fiber Define fasicle in the context of muscle anatomy. - Answer: A cluster of muscle cells within the core of a muscle. Explain the function of the sarcolemma in skeletal muscle cells. - Answer: The sarcolemma serves as the outer membrane of skeletal muscle cells, maintaining cell integrity and regulating ion movement. Describe the sarcoplasm and its role wit...

Are fibers cells? - ️️No, they are just made by cells areol- - ️️a little open space Describe areolar connective tissue. - ️️Loosely woven fibers in interstitial fluid and contains all cell types found in connective tissue. This type of tissue is distributed throughout Describe elastic cartilage. - ️️Found in the outer ear - tolerates distortion; has a collagen matrix with elastin fibers Describe endochondral ossification. - ️️Blood vessels grow around cartilage and peric...

5 characteristics of muscle - correct answer 1. Responsiveness 2. Conductivity 3. Contractibility 4. Extensibility 5. Elasticity 2 names for muscle fiber - correct answer 1. myofiber 2. myocyte Muscle cells are packed full of which type of protein filament? - correct answer myofibrils: bundles of protein filaments (actin and myosin) Difference...