BIOLOGY 235

BIOL 235 Lab Exam Questions With 100% Correct Answers Which setting is best to view bacteria in a light microscope? Darkfield Why do bacteria move? - To move towards attractive environments - Move away from harmful environments - To seek other bacteria and create colonies Which bacteria is corkscrew shaped? (long and squiggly) Spirochete Which bacteria is comma shaped? Vibrio Which bacteria has two round spheres? Diplococci Which bacteria is rod shaped? Bacillus...

Biology 235: Exam 3 Questions With 100% Correct Answers Nonspecific Resistance (Innate Immunity) present at birth; includes defense mechanisms that provide general protection against invasion by a wide range of pathogens Immunity (Adaptive Immunity) involves activation of specific lymphocytes that combat a particular pathogen lymphatic system the body system that carries out immune responses is the ____________ ______________. innate immunity refers to a wide variety of body ...

Biology 235 Final Exam Questions With 100% Correct Answers 2024/2025 What is afterload with regards to artery anatomy? Elastic arteries - stretch and recoil during pressure pulses Amount of elasticity determines force of afterload How do arterioles affect afterload? Provide vascular resistance and regulate regional blood flow via sympathetic vasomotor tone and pre-capillary sphincters What 4 mechanisms regulate blood pressure in the body? Baroreflex Chemoreceptor reflex Choliner...

Biology 235 Final Exam Questions With 100% Correct Answers 2024/2025 What is afterload with regards to artery anatomy? Elastic arteries - stretch and recoil during pressure pulses Amount of elasticity determines force of afterload How do arterioles affect afterload? Provide vascular resistance and regulate regional blood flow via sympathetic vasomotor tone and pre-capillary sphincters What 4 mechanisms regulate blood pressure in the body? Baroreflex Chemoreceptor reflex Choliner...

Biology 235 UBCO midterm 2 Exam Questions With 100% Correct Answers what does the pyramidal tract control? learned motor actions The pyramidal tract works with the ______ to produce smooth, co-ordinated movements. Both are contralateral projections extrapyramidal tracts The CNS develops a _______________. when neural folds fuse along the dorsal midline forming a hollow tube embryonic neural tube what is anencephaly? failure to fuse at the rostral end of the tube. this leads t...

BIO 235 Exam 1 Questions With Verified Answers 2024/2025 Microbiology is the study of? microorganisms Prokaryotes are organisms that lack; lack a nucleus and other organelles. Eukaryotes have nucleus and membrane bound organelles Bioremediation involves the use of microbes to; reduce pollution through the biological degradation of pollutants into non-toxic substances. Four benefits of microbes; contribute to digestion, produce vitamin K, promote development of the immun...

BIO235 Exam Questions With Verified Answers 2024/2025 what do cell membranes do? keep the good in, the bad out, and regulate traffic what does a phospholipid consist of? hydrophobic tails and hydrophilic heads what do channel proteins do? create gates for moving materials across this membrane what are the types of transportation across membranes? -passive transport -active transport passive transport moves from ____ to ______ High to Low describes passive transpor...

Biology 235 - Exam 3 Questions With Verified Answers 2024/2025 What do golgi tendon organs do? - detect changes in muscle tension - when the muscle contracts, the Golgi tendon organ is stimulated, and it sends a signal to the brain to relax the muscle what do spindle muscle cells do? - detect changes in the length of a muscle - if it senses the muscle is lengthening, it sends a signal to contract. if it continues to lengthen, they will eventually stop the signals and the muscle wil...

BIO 235 (Kovacs) Exam 1 Questions With Verified Answers how many chromosomes do most prokaryotes have? one how many copies of their chromosome(s) do prokaryotes have? one what organisms undergo binary fission? bacterial cells why do bacterial chromosomes get replicated before the cell divides? so each daughter cell receives one copy do eukaryotic or prokaryotic cells require more genetic information? eukaryotic what is required in order to pass complements of chrom...

Biology 235 Physiology - Exam #2 Questions With Verified Answers What are the three types of muscle tissue? 1) Skeletal muscle 2) Cardiac muscle 3) Smooth muscle What are the characteristics of skeletal muscle? - Long, cylindrical cells - Multinucleate - Striated with numerous fine bands - Voluntary - Neurogenic, it requires a nerve to stimulate it What are the characteristics of smooth muscle? - Spindle shapes - Flat and unstriated - Single nucleus - Involuntary - No sar...