Intermediate filaments Samenvattingen, Aantekeningen en Examens

USABO EXAM QUESTIONS AND ANSWERS Eukaryote - ANS An organism whose cells contain complex structures enclosed within membranes. The defining membrane bound structure that sets them apart from prokaryotic cells is the nucleus or nuclear envelope within which the genetic material is carried. All large complex species are eukaryotes, including animals, plants and fungi. Euchromatin - ANS This shows as pale areas in the nucleus under electro magnification. It is a less densely packed for...

USABO Open Exam 2024 | 100%Correct Answers Verified Latest 2024 Version. 1. Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to le...

Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It traps neurotransmitters, increasing their concentratio...

Cell Theory All living organisms are composed of one or more cells. What are the 3 important parameters in microsopy? Magnification, resoultion, and contrast. Cell structure relies on what 4 factors? Matter, energy, organization, and information What are the 2 categories all forms of life based on cell structure? Prokaryotes and Eukaryotes. The proetome of a cell determines its ? Structure and function. Prokaryotic cell Reletively simple sturctures without a nucleus, put into either bacte...

BIO 333 EXAM Questions With Answers Latest Updated 2024/2025 | 100% Correct. what size is larger? 10mm or 0.001m - Answer 10mm what size is larger? 10nm or 0.1um - Answer 0.1 um Put in order from largest to smallest. bacterial cell ribosome nucleus o2 eukaryotic cell - Answer eukaryotic cell bacterial cell nucleus ribosome O2 Components of a eukayote. - Answer have organelles, membrane bound nucleus, 24hrs. to divid, epitheal cells, multicellular, 185 rRNA,unicellular, larger, and...

BIO 250 EXAM 1/86 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A+ What are microfilaments made of? Function? - √Answer>Actin 1. Anchor cytoskeleton to integral proteins- stabilizes position of membrane proteins, provides additional mechanical strength to cell, firmly attaches plasmalemma to underlying cytoplasm 2. Actin microfilaments interact w/ structures made of myosin- active movement of portion of cell or change cell shape -What are intermediate filaments made of? Wh...

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...

Science Bowl Biology Exam Questions With Verified And Updated Answers The purine bases are: A. adenine and guanine B. adenine and cytosine C. thymine and cytosine D. uracil, thymine, and cytosine - answerA 2. Four chromatids would be considered a: A. mutation B. non-disjunction C. tetrad D. synapses - answerC 3. Which of the following is NOT in the class insecta: A. bees B. moths C. fireflies D. spiders - answerD 4. Plant cells differ from animal cells in that only plant cells ...

Anatomy & Physiology: The Unity Of Form & Function, 8th Edition (Ch. 3: Cellular Form and Function) Questions & Answers 2023/2024 cytology - ANSWER-scientific study of cells cell theory - ANSWER-the theory that cells form the fundamental structural and functional units of all living organisms cells - ANSWER--functions: fight disease, store nutrients, connect things, line things, gather information and control body functions, involved in reproduction -structure: *nuclear envelope -&gt...

Eukaryote correct answersAn organism whose cells contain complex structures enclosed within membranes. The defining membrane bound structure thats sets them apart from prokaryotic cells is the nucleas or nuclear envelope within which the genetic material is carried. All species of large complex species are eukaryotes, including animals, plants and funghi. Euchromatin correct answersThis shows as pale areas in the nucleas under electro magnification. It is a less densly packed form of chromati...