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IB Biology Cell Structure Latest Version Graded A+ Nucleolus Structure: Darker spot within nucleus Function: Ribosomal RNA synthesis Nucleus Structure: Large spot within cell Function: Genetic material storage, controls cell processes Ribosomes Structure: Small spheres Function: Building proteins Vesicle Structure: Membrane bound container Function: Move material around Rough ER Structure: Folded, attached to nucleus, ribosomes attached Function: Proteins can be made lik...

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IB Biology Topic 6 Latest Update 100% Pass pathogen any disease-producing agent (especially a virus or bacterium) antigen any surface protein that may elicit an immune response or cell recognition digestion the process where food is converted into smaller molecules that can be absorbed into the body enzymes globular proteins that speed up chemical reactions in the body amylase enzyme found in saliva and pancreatic juice that breaks the chemical bonds in starches protease e...

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IB Biology B2.1 - Membranes and Membranes Transport Questions And Answers Rated A+ Why do cells need membranes? • To distinguish itself from its surroundings • To be selective about what gets in and out How do lipids assemble to form a semipermeable membrane? Being cylindrical, phospholipid molecules spontaneously form bilayers in aqueous environments. In this energetically most-favorable arrangement, the hydrophilic heads face the water at each surface of the bilayer, and the ...

Sarah, Michelle Life values NP Exam Questions and Answers 100% Pass Test used to screen thyroid disease - Correct Answer ️️ -TSH Normal TSH values - Correct Answer ️️ -0.5-5 What labs look like in hyper thyroidism - Correct Answer ️️ -Low TSH High T3/T4 What labs look like in hypothyroidism? - Correct Answer ️️ -High TSH Low T3/T4 Treatment for hyperthyroidism - Correct Answer ️️ -Methimazole In pregnancy: during first trimester, use PTU, after first trimester can us...

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IB Biology Unit 1 Latest Update Graded A+ Cell theory 3 main principles All organisms are composed of one or more cells cells are the smallest units of life all cells come from pre-existing cells 7 functions of life (MR H GREN) metabolism reproduction homeostasis growth excretion response nutrition Paramecium unicellular membrane of the kingdom known as Protista. Look at powerpoint on isa247 to see how this organism displays the functions of life. chlorella single-cell...

OCR 2023 GCSE Combined Science Biology A Gateway Science J250/01: Paper 1 (Foundation Tier) Question Paper & Mark Scheme (Merged)

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IB Biology 9.2 Latest Update Graded A+ Translocation occurs from ___ to ___ Source to sink Phloem tissue - found in stems, roots and leaves - Composed of sieve tubes which are composed of specialized sieve tube cells - Sieve tube cells are separated by sieve plates (perforated walls) - Sieve tube cells are associated with companion cells Translocation Transport of organic solutes in a plant Sources areas of plant where sugars and amino acids are in surplus and are loaded int...

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Fisdap Cardiology Exam 2024 Where are Beta 1 receptors found? - ANSWER Heart and Kidneys Stimulation of Beta 1 receptors result in an increase of what? - ANSWER Heart: Inotropy, Chronotropy, Dromotropy Kidneys: Renin-Angiotensin-Aldosterone System = Vasoconstriction = Increase blood pressure Which node is located at the junction of the superior vena cava and the right atrium, is typically supplied b...

IB Biology Command Terms 100% Correct define give the precise meaning of a word, phrase or physical quantity draw represent by means of pencil lines label add labels to a diagram list give a sequence of names or other brief answers with no explanation measure find the value of a quantity state give a specific name, value or other brief answer without explanation or calculation annotate add brief notes to a diagram or graph apply use an idea, equation, principle, theory...

FISDAP Medical Exam Which of the following meds helps the body transport sugar into the cells? - ANSWER Insulin A 32 year old patient is found unconsious in the snow. You cannot detect a pulse or respiration rate within 10 seconds. What should you do? - ANSWER assess her pulse for 30-45 seconds An adult male is sitting alone in a dark room, rocking back and forth. he mutters to his sock puppet "are ...

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IB Biology Chapter 5 Questions and Answers Already Passed When does evolution occur It occurs when the heritable characteristics of a species change What shows that artificial selection can cause evolution selective breeding What are the evidence of evolution The fossil record, selective breeding, homologous structures, speciation, pattern of variation What is the mechanism of evolution Natural selection Analogous structures They are structures with difference in structure but...