Bio 181 practice - Study guides, Class notes & Summaries

BIO 181 Practice tests (NCSU Paciulli), Exam Questions and answers, Accurate. Latest Update. The heart structure that functions as the initial receiving chamber is the: - -Right atrium The most important factor in the return of blood flow back to the heart is __________. - -valves in the veins Gas and nutrient exchange between circulation and the tissues occurs at the: - -capillaries Specialized muscle tissue that sets the pace for the conduction of electrical signals throughout th...

Compare and contrast the different mechanisms of speciation (allopatric, sympatric, parapatric, peripatric). -Allopatric speciation takes place when populations are geographically isolated. Volcano explodes and populations are divided. -Sympatric occurs without geographic isolation. Occurs through the process of polyploidy: producing individuals with more than two sets of chromosomes. It is a genetic change within a population. -Parapatric speciation is when a new habitat is entered that i...

ASU BIO 181 Exam 2 Practice Questions and Answers Specifically in a cell where does Glycolysis occur? - ANSWER-Cytoplasm T/F The cell does not need ATP to survive. - ANSWER-False Where is carbon dioxide produced? - ANSWER-Mitochondrial matrix T/F The citric acid/Kreb's cycle breaks down carbohydrates into CO2. - ANSWER-True T/F FADH2 results as one of the products of the citric acid cycle. - ANSWER-True Specifically where in a cell does the citric acid/Kreb's cycle occur? - ANSWER-M...

Chloroplast Structure contains a plant cell's thylakoids, stroma and grana, and chlorophyll Chloroplast Function Site of photosynthesis Photosynthetic Pigments absorb light energy and use it to carry out photosynthesis; chlorophyll a absorbs red and blue best and chlorophyll b funnels the energy to chlorophyll a Photosystem 1 a light reaction in which ATP and NADPH are formed (comes 2nd) Autotroph an organism that is able to form nutritional organic substances from simple inorganic ...

A Cell __ a. is the smallest entity studied by biologists. b. may be a distinct entity, a building block of a more complex organism, or (as seen among a few extant species) alternating between these two extreme life styles representing, perhaps, an evolutionary link between them. c. All the statements including this one are correct. d. can be composed of many types of tissues. e. is found only in plants and animals. correct answer: Answer: b. may be a distinct entity, a buildin...

ASU BIO 181 EXAM 1 PRACTICE QUESTIONS AND ANSWERS Comparing a single-celled eukaryotic organism with a multicellular organism such as yourself identify the major difference from the list below. A. Escape from predator B. Finding a mate C. Division of Labor D. Find it's own food E. Nucleus - ANSWER-C. Division of labor The paramecium swims by way of using a flagella. - ANSWER-FALSE The contractile vacuole of the paramecium is possibly an evolutionary precursor of the kidney. - ANSWE...

PACIULLI FINAL BIO 181 NCSU EXAM NEWEST ACTUAL EXAM AND PRACTICE TEST QUESTIONS AND DETAILED CORRECT ANSWERS | A+GRADE STUDYGUIDE