Bio 202 exam 1 stuvia - Study guides, Class notes & Summaries

It is thought that the first macromolecule in protobionts was RNA because - AnswerRNA can replicate itself and synthesize proteins. The Miller and Urey experiment showed - AnswerHow nucleotides and amino acids could be produced prior to the existence of cells Nucleotides were polymerized to form RNA - Answer. On clay particles A protobiont - AnswerHas an internal environment that can differ from the external environment. Selection against smaller billed finch individuals is an ex...

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BIO 202 Exam 1 (Rio Salado Exam 1 A&P 2) with Complete SolutionsBIO 202 Exam 1 (Rio Salado Exam 1 A&P 2) with Complete SolutionsBIO 202 Exam 1 (Rio Salado Exam 1 A&P 2) with Complete Solutions Adrenal Medulla - ANSWER-Develops from neural crest tissue, directly controlled by the sympathetic nervous system neurons Adrenal Medulla - ANSWER-responds to stimulation by producing epinephrine or norepinephrine Adrenal Cortex - ANSWER-produces corticosteriods the mineralocorticoid aldosterone tha...

BIO 202 Exam 1 Questions and Answers 100% Correct BIO 202 Exam 1 Questions and Answers 100% Correct BIO 202 Exam 1 Questions and Answers 100% Correct BIO 202 Exam 1 Questions and Answers 100% Correct increases the rate of a chemical reaction without becoming part of the product - ANSWER-catalyst provides a standard of comparison for test results - ANSWER-control biologic catalyst: protein in nature - ANSWER-enzyme substance on which a catalyst works - ANSWER-substrate organ...

Adrenal Medulla - ANSWER-Develops from neural crest tissue, directly controlled by the sympathetic nervous system neurons Adrenal Medulla - ANSWER-responds to stimulation by producing epinephrine or norepinephrine Adrenal Cortex - ANSWER-produces corticosteriods the mineralocorticoid aldosterone that is used to regulate water and electrolyte balance, the glucocorticoids cortisone, hydrocortisone, corticosterone that enable the body to resist long term stress and the gonadocorticoids, that ...

A person with an extremely high count of neutrophils is likely suffering ________. - ANSWER-a bacterial infection An individual who is blood type AB negative can ________. - ANSWER-receive any blood type in moderate amounts except that with the Rh (or D) antigen If you centrifuge (spin) whole blood you will find the band of white blood cells and platelets (the Buffy coat) is much thinner than the packed red blood cells below it. This difference reflects the fact that ________. - ANSWER-whi...

Adrenal Medulla - ANSWER-responds to stimulation by producing epinephrine or norepinephrine Adrenal Cortex - ANSWER-produces corticosteriods the mineralocorticoid aldosterone that is used to regulate water and electrolyte balance, the glucocorticoids cortisone, hydrocortisone, corticosterone that enable the body to resist long term stress and the gonadocorticoids, that mostly androgens ie male sex hormones Tropic Hormone - ANSWER---------Hormone stimulates its target organ, which is also a...

Ecosystem ecology - ANSWER-emphasizes energy flow and chemical cycling between organisms and the environment. Community ecology - ANSWER-examines how interactions between species, such as predation and competition, affect community structure and organization. Population ecology - ANSWER-analyzes factors that affect population size and how and why it changes through time. Organismal ecology - ANSWER-includes the subdiscipline of physiological, evolutionary,and behavioral ecology, is conc...

What part of the heart pumps blood to the lungs? - ANSWER-Right ventricle What causes the normal heart sounds? - ANSWER-Closing of the heart valves What is the average cardiac output for a resting adult? - ANSWER-5.25 liters How does blood get carried to the myocardium? - ANSWER-Through the coronary arteries Outermost protective membrane of the heart - ANSWER-pericardium Describe the role of the atrioventricular bundle in the conduction system of the heart - ANSWER-It is the elect...

Regulation functions include: - ANSWER-- Maintaining body temperature by absorbing and distributing heat - Maintaining normal pH using buffers; alkaline reserve of bicarbonate ions Maintaining adequate fluid volume in circulatory system Protection functions include: - ANSWER-Preventing blood loss Plasma proteins and platelets in blood initiate clot formation Preventing infection: - ANSWER-Agents of immunity are carried in blood - Antibodies - Complement proteins - White blood cells ...