Forms polar filaments - Study guides, Class notes & Summaries

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...

1 BIO 210 - FINAL EXAM REVIEW | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Anatomy Correct Answer: the study of structure Physiology Correct Answer: the study of function Metabolism Correct Answer: all the chemical reactions that happen in our body cells Catabolism Correct Answer: the breakdown of complex molecules into simpler ones. Catabolic reaction Anabolism Correct Answer: The building up of complex molecules from simpler ones Levels of Structural Organiza...

MTM-Final Exam Basic Science Ionized forms like A- and BH+ are ________ and ______ diffusible across membrane water; poorly generic equation used to calculate week acidic and basic drugs 10 ^(pka-pH) = protonated/unprotonated equation to calculate weak acidic drugs 10^(pka-pH) = [nonionized(HA)]/[ionized(A-)] equation to calculate weak basic drugs 10^(pka-pH) = [ionized (BH+)]/[nonionized(B0] if the pka and pH difference is 1 or -1: ionization is 90% or 10% if the pka and pH differe...

Question 1 Correct 1.00 points out of 1.00 Flag question Question text In an ecosystem, energy Select one: a. comes ultimately from bacteria b. cycles along with chemical nutrients c. typically flows from producers through a series of consumers d. typically flows from consumers to producers to decomposers Question 2 Correct 1.00 points out of 1.00 Flag question Question text Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least in...

NWHSU histology 1 exam 3 Questions and Answers Latest Updated 3 types of muscle? 1. Skeletal [striated, voluntary] 2. Smooth [visceral involuntary] 3. Cardiac [striated, continuous rhythmic contract] 1. One anatomical muscle is surrounded by __________? 2. One fascicle is surrounded by ___________? 3. One muscle fiber is surrounded by ________________? 1. Epimysium (fascia) 2. Perimysium 3. Endomysium In a muscle fiber 1. What is the cytoplasm called? 2. What is the plas...

Independent Variable - Answer The experimental factor that is manipulated; the variable whose effect is being studied. Placed on the x-axis (horizontal) on a graph. Dependent Variable - Answer The variable that is measured in an experiment. Placed on the y-axis (vertical) on a graph. Scientific theory - Answer Must be repeatable. Possible to be disproved and capable of change. Sampling and Sample Size - Answer Random sampling is the preferred, but isn't always possible. A large sample ...

1 CELL PHYSIOLOGY EXAM | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ How big is a typical human cell and can you see it with the naked eye? Correct Answer: 10 um and no Why is a cell roughly 10 um? Correct Answer: This size allows the cell to effectively communicate with its environment through its plasma membrane. What would happen if a cell got bigger than 10um? Correct Answer: cell's membrane would not be able to efficiently communicate with its environment due ...

Independent Variable - Answer The experimental factor that is manipulated; the variable whose effect is being studied. Placed on the x-axis (horizontal) on a graph. Dependent Variable - Answer The variable that is measured in an experiment. Placed on the y-axis (vertical) on a graph. Scientific theory - Answer Must be repeatable. Possible to be disproved and capable of change. Sampling and Sample Size - Answer Random sampling is the preferred, but isn't always possible. A large sample ...

Anatomy the study of the structure of the body Physiology the study of the function of the body Chemical level represents the atoms and molecules that make up cells (Consists of Atomic level and molecular level) Cellular level represents the basic unit of all living things Tissue level a group of cells with similar or common function Organ level a group of tissues with similar or common function Organ system level a group of organs with similar or common function Organismic level ...

1 BIO 210 FINAL EXAM REVIEW | QUESTIONS & ANSWERS (VERIFIED) | LATEST UPDATE | GRADED A+ Define Homeostasis Correct Answer: The existence and maintenance of a relatively constant environment within the body. Lymphatic System Correct Answer: Removes foreign substances from the blood and lymph, combats disease, maintains tissue fluid balance, and transports fats from digestive tract. Consist of: lymphatic vessels lymph nodes lymphatic organs Respiratory System Correct Answer: ...