Actin filaments Study guides, Class notes & Summaries

AFAA-GFI Certification Exam With 100% Correct Answers 2024 kinetic chain - answerinterrelation of nervous, muscular & skeletal systems central nervous system - answerincludes brain & spinal cord, coordinates activity of body parts peripheral nervous system - answerincludes all nerves branching from spinal cord, extending out to the body mechanoreceptors - answersense distortion in body tissues Golgi tendon organs - answersensitive to changes in tension muscle spindles - answersensitive ...

NURS 231 Pathophysiology All Module Exams Questions and Answers- Portage Learning UPDATED 2023 GRADED A+ PATHOPHYS Module Exams Module 1 Exam Question 1 2.5 / 2.5 pts True/False: A bodybuilder’s muscles will display hyperplasia. True Correct! False It will display hypertrophy. Question 2 2.5 / 2.5 pts True/False: Barrett esophagus is an example of dysplasia. True Correct! False It’s metaplasia. Question 3 0 / 2.5 pts True/False: Hypertrophy is an inc...

PHYS 506 Anatomy and Physiology Muscle Histology MCQs Answers 2023/24 Muscle Histology 1. Skeletal and cardiac muscle, which are both striated, at resting length contain an A band in each sarcomere. This A band contains: (A)Essentially all the contractile protein myosin, but no actin (B) Essentially all the contractile protein actin, but no myosin (C) Essentially all the myosin, plus some actin (D)Essentially all the actin, plus some myosin (E) Troponin and tropomyosin, but no actin Ans...

The paramecium discussed in class contained an organelle called the contractile vacuole. This is the presumed precursor of the: - Correct answer-kidney A cell that is anchorage-dependent for growth will also exhibit contact inhibition. - Correct answer-true In your own multicellular body, cells with different functions have different DNA. - Correct answer-false The contractile vacuole of the paramecium is possibly an evolutionary precursor of the kidney. - Correct answer-true The paramec...

1. Which of the following tissues is always avascular? A) connective tissue D) epithelial tissue B) muscle tissue E) nervous tissue C) skeletal tissue Ans:  D Difficulty:  Medium 2. A scientist who examines tissue changes that might indicate disease is called a A) histologist. D) epidemologist B) radiologist. E) endocrinologist. C) pathologist. Ans:  C Difficulty:  Easy 3. The tissue lining body cavities is A) epithelial tissue. D) m...

1.Nuclear pores: A)Combine to form a hexagonal structure B)Have 50nm in diameter C)Their number is not connected with cellular activity D)Nuclear lamina are connected to their inner rings E)A and C are correct F)B and D are correct E)A and C are correct The conducting zone of the respiratory system: A) Includes the upper airways, trachea and the bronchial tree (including the terminal bronchioles) B) Is designed for airflow and respiration C) Includes only the nose and the pharynx ...

ASU BIO 181 Exam 1 Questions and complete solutions Actin Filaments are present in: Microtubules are present in: Cytokinesis in plant and animal cells takes two forms: An important checkpoint regulator is at the Gap 2/M-phase transition. Here, Cyclin B and cdkl1 activate and form MPF which becomes a _____ _____ and causes DNA to condense into _____. The _____ begins to be destroyed at the Metaphase of the cell cycle causing the chromosomes to begin to _____. The activation of ...

what does the SR store - proteins and calcium what is the role of the transverse tubules in the muscle fiber - allow inside of muscle to communicate with the outside of the muscle how is a sarcomere measured - from z-disc to z-disc what is contained in the I band of the sarcomere & what color is the band - thin filaments titin z-disc light (isotropic) what is contained in the A band of the sarcomere & what color is the band - thick filaments thin filaments dark (scatters lig...

Module 1 Correct Answer- Which of the following are true statements about proteins? Proteins: Correct Answer--Are catalysts - Are receptors for signal molecules - Have structural roles - Are required for directed cell mobility (BLANK) are enzymes that catalyze the synthesis of RNA using a DNA template. Correct Answer-RNA polymerases Outside of the plasma membrane, plant cells are surrounded by a cell wall that is mostly composed of Correct Answer-cellulose The (BLANK) is the organ...

are enzymes that catalyze the synthesis of RNA using a DNA template. Correct Answer-RNA polymerases Outside of the plasma membrane, plant cells are surrounded by a cell wall that is mostly composed of Correct Answer-cellulose is the organelle that is the site of photosynthesis in plants. Correct Answer-chloroplast The cytoskeleton of eukaryotic cells is composed primarily of three types of protein fibers - intermediate filaments, actin filaments, and Correct Answer-microtubules Cells...