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2024 BIOD101 Biochemistry Practice Exam With Answers (186 Solved Questions)

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    PORTAGE LEARNING BIOD 101 MODULE 2 2024 WITH ANSWERS GRADED PASS Many prokaryotes metabolize _ ___? - - answer - Organic substances What type of metabolism do animals use? - - answer - Aerobic Animals ____ and use ____ as part of aerobic respiration to produce ATP - - answer - ingest food, biomacromolecules What is growth and development? - - answer - Change over a life cycle. A living thing grows, matures, ages, and dies. Living things respond to their environment through...? - - answer - adaption What is adaption? - - answer - A change or process that allows an organism to become better suited for their environment adaptions can be ____ or ____ - - answer - Physical, behavioral What is a stimulus? - - answer - anything that causes an organism to respond What is an example of a physical adaption? - - answer - A crab's hard shell What is an example of a behavioral adaption? - - answer - A squirrel hibernating

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    What is reproduction? - - answer - A living thing's way of producing new and thriving generations to repla ce previous ones Reproduction can occur ____ or ____ - - answer - Sexually or asexually What does sexual reproduction involve? - - answer - Fusion of two gametes that unite and grow into new offspring What does asexual reproduction produce? - - answer - New offs pring from a single organism What are examples of asexual reproduction? - - answer - Spore formation, binary fission, vegetative reproduction, budding, fragmentation What organisms use spore formation? - - answer - Protozoa, bacteria, plans, fungi What organi sms use binary fission? - - answer - Prokaryotes and some eukaryotic protozoa like amoeba What organisms use budding? - - answer - Fungi, bacteria, some plants, fewer animals What organisms use fragmentation? - - answer - Segmented worms and echinoderms like star fish What is an organism? - - answer - An individual living creature What are the 7 common characteristics of organisms? - - answe r - order, evolutionary adaptation, regulation, energy processing, growth and development, response to environment, reproduction

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    What is the characteristic "order"? - - answer - Life is structured into a developmental hierarchy The ____ itself is highly order ed as it contains organelles, a dedicated cytoplasmic space, conducts metabolic processes, and undergoes microscale adaptions. - - answer - cell What is evolutionary adaptation? - - answer - Smaller, genetic changes that allow for better survival of an organism . Evolutionary adaptation should not be confused with...? - - answer - Species evolution What is an example of evolutionary adaptation? - - answer - Color camouflage What is another name for evolutionary adaptation? - - answer - Generational evolution What is regulation? - - answer - The ability for a living organism to maintain optimal living conditions Living organisms are sensitive to...? - - answer - Temperature, environmental stress, pH requirements What is homeostasis? - - answer - Maintaining set points of living conditions What is an example of regulation? - - answer - Shivering to regulate body heat

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    What is energy processing? - - answer - How an organism utilizes biochemical reactions to produce energy What is the sum of an organism's biochemical reaction s referred to? - - answer - Metabolism What is ATP? - - answer - Biological fuel or energy What type of metabolism do many prokaryotes use? - - answer - Anaerobic What is photosynthesis? - - answer - A plant using light to trap energy How can the levels of biological organism be described? - - answer - Successive, broadest to smallest The smallest level of biological organization is at t he... - - answer - Chemical level What is the chemical level comprised of? - - answer - Atoms and molecules that are connected by chemical bonds and interactions Who first developed the hierarchical classification system of organisms in the 18th century? - - answer - Carolus Linnaeus What is a taxon? - - answer - A unit/level of classification What are the 8 taxonomic levels? - - answer - Domain, Kingdom, Phylus, Class, O rder, Family, Genus, Species How many recognized domains are there? - - answer - 3

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    What is phylogeny? - - answer - Plotting the evolutionary history of a group or species What are phylogenetic trees? - - answer - A diagram that maps relationships between taxa. Who first used organismal DNA sequences to construct phylogenetic trees? - - answer - Dr. Carl Woese What is a barcode gene? - - answer - The sequence of the 16S rRNA genes common to all genomes. What are the characteristics of a barcode gene? - - answer - They h ave structural RNA or rRNA, ribosomes are universal, and have variable regions which vary between species What is a taxa? - - answer - The hierarchy formed in each level of classification. What is a domain? - - answer - The largest and broadest category, which encompasses all the other taxa. What are the 3 domains? - - answer - Archaea, Eubacteria, Eukarya What are Latin binomial names used for? - - answer - To identify individual organisms of a certain species. What are the two parts of the Latin binomial name? - - answer - First part is the genus name, second part is the unique species

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