BIOLOGY 235

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...

BIO 235 Lecture Exam 2 Questions With Verified Answers B Flow of lymph through a lymph node is slowed due to ________. A) the viscous nature of lymph B) fewer efferent vessels draining it compared to many afferent vessels feeding it C) the presence of lymphocytes and macrophages D) mini-valves A Tonsils have blind-ended structures called ________ that trap bacteria and particulate matter. A) tonsillar crypts B) germinal centers C) lymphoid follicles D) tonsillar corpuscles ...

BIO 235 Exam 1 Questions With Verified Answers While undergoing mitosis, the ____ is the central regio on DNA that connects sister chromatids Centromere Homologous chromosome pairs...? have a chromosome from mother and father, synapse during prophase of meiosis 1, same genes but different alleles, pair of sister chromatids during prophase meiosis 1 What stage of the cell cycle does DNA replication occur in preparation for division? S phase What is one defining difference bet...

BIO 235 Exam 1 Questions With Verified Answers While undergoing mitosis, the ____ is the central regio on DNA that connects sister chromatids Centromere Homologous chromosome pairs...? have a chromosome from mother and father, synapse during prophase of meiosis 1, same genes but different alleles, pair of sister chromatids during prophase meiosis 1 What stage of the cell cycle does DNA replication occur in preparation for division? S phase What is one defining difference bet...

Biology 235- Exam 1 Questions With 100% Correct Answers 2024/2025 •circulatory- transport materials between cells of body •digestive- breaks down food to be transported into body •endocrine- coordination of body function •immune- defend against foreign invaders •integumentary- protect against external environment •musculoskeletal- support and movement of body •nervous- coordinate body function using electrical signal •reproductive- to reproduce •respiratory- bringing a...