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Bio 473 Theory Exam 2 Questions and Answers | Fall 2026 | 100% Correct Answers

Bio 473 Theory Exam 1 Questions and Answers | Fall 2026 | 100% Correct Answers

Bio 473 Exam 2 UPDATED ACTUAL Exam Questions and CORRECT Answers What is the axis that regulates the reproductive system called? - CORRECT ANSWER The hypothalamic-pituitary-ovarian axis What is spermatogenesis? - CORRECT ANSWER What is oogenesis? - CORRECT ANSWER What is ovulation? - CORRECT ANSWER - production of sperm in the testes - oocyte development - - the release of oocytes from the ovaries to the fallopian tubes What does the hypothalamus produce? - CORRECT ...

Bio 473 Exam 2 UPDATED Exam Questions and CORRECT Answers pulmonary circulation - CORRECT ANSWER - pump on the right receives deoxygenated blood from the body, then pumps that blood to the lungs systemic circulation - CORRECT ANSWER from the lungs, then pumps that blood to the body - pump on the left receives oxygenated blood valves open and close due to - CORRECT ANSWER Flow of blood through the heart - CORRECT ANSWER - pressure changes - Right atrium -> right AV v...

BIOL 473 Final: UNIT 1 UPDATED ACTUAL Exam Questions and CORRECT Answers Is parthenogenesis an option in mammals? - CORRECT ANSWER What is sex determination? - CORRECT ANSWER - appropriate gonad is formed accordingly What is sexual differentiation? - CORRECT ANSWER - To date, no - - male or female - - sexual phenotype - hormone-induced differentiation on non-gonadal tissue (e.g. the ducts, etc)

BIOL 473 Unit 1 UPDATED ACTUAL Exam Questions and CORRECT Answers Asexual Reproduction in humans: identical or non-identical - CORRECT ANSWER single parent generates offspring that are genetically identical no meiosis, no reduction in ploidy, no fusion of gametes No creation of haploid gametes 3 types of Asexual reproduction - CORRECT ANSWER - - - budding (portion separates and grows) - fragmentation (parent body breaks apart, each piece regenerating into a new animal) - par...

BIOL 473 FINAL UPDATED ACTUAL Exam Questions and CORRECT Answers Functional Response - CORRECT ANSWER feeding rate of a predator Sediment microzone - CORRECT ANSWER roots of macrophytes hyporheic zone - CORRECT ANSWER ground water mixes with surface water Cyclomorphosis - CORRECT ANSWER - relationship between prey density and the - zone of oxygenated sediments around the - subsurface habitat of streams/rivers where - phenomenon seen in zooplankton where their morph...

BIOL 473 Exam 1 UPDATED ACTUAL Exam Questions and CORRECT Answers trp attenuation high trp - CORRECT ANSWER - -ribosome translates unhindered -ribosome blocks RNA polymerase from transcribing sequence 2 -3 and 4 form the attenuator structure, stopping the ribosome from translating and kicks the RNA polymerase off (stops transcription) -terminator structure is more stable due to more H bonds trp attenuation low trp - CORRECT ANSWER - -ribosome stalls at the trp codons in the lead...

BIOL 473 Exam 2: respiratory UPDATED ACTUAL Exam Questions and CORRECT Answers what is the respiratory tract divided into? - CORRECT ANSWER what is the upper res tract? - CORRECT ANSWER nasal cavities sinuses pharynx and part of larynx what is lower res tract? - CORRECT ANSWER trachea bronchi bronchioles alveolar ducts alveoli what act as air conduits? - CORRECT ANSWER - larynx - upper and lower tracts