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99 terms

Bio 113

STUDY
PLAY
GROWTH AT THE LEVEL OF MICROBES MEANS INCREASE IN THE NUMBER OF MICROBES NOT THEIR SIZES
TRUE
A COLONY IS
MILLIONS O CELLS COMING FROM ON ORIGINAL CELL
IMPORTANT FACTOR IN REGULATING MICROBIAL GROWTH IS
TEMPERATURE
PH
OXYGEN
SAPROBES
LIVE ON ORGANIC MATTER OF DEAD ORGANISMS
IS THERE ANY ELECTROCHEMICAL GRADIENT ACROSS THE PLASMA MEMBRANE
YES
WHAT ARE THE NAMES OF TWO MAIN TRANSPORT PROCESSES ACROSS THE PLASMA MEMBRANE
PASSIVE AND ACTIVE
DIFFUSION IS A TYPE OF BLANK TRANSPORT
PASSIVE
DIFFUSION TRANSPORT INVOLVES
MOVEMENT OF MOLECULES FROM HIGH TO LOW CONCENTRATION BY BROWNIAN MOTION
OSMOSIS IS A TYPE OF BLANK TRANSPORT
ACTIVE
OSMOSIS INVOLVES
DIFFUSION OF WATER
IN AN ISOTONIC SOLUTION
THE CONCENTRATION OF SALTS INSIDE THE CELL IS EQUAL TO THE ENVIRONMENT
IN A HYPERTONIC SOLUTION
THE CONCENTRATION OF SALTS INSIDE THE CELL IS LOWER THAN THE ENVIRONMENT
IN A HYPOTONIC SOLUTION
THE CONCENTRATION OF SALTS INSIDE THE CELL IS HIGHER THAN THE ENVIRONMENT
HOW DOES AN AMOEBA ADAPT ITSELF TO LIVING IN FRESH POND WATER IN HYPOTONIC CONDITIONS?
IT HAS WATER (OR CONTRACTILE) VACUOLE THAT MOVES EXCESS WATER OUT OF THE CELL
THERE ARE SOME MICROBES THAT NORMALLY LIVE ON SKIN, IN THE ALIMENTARY TRACT, AND OTHER SITES IN HUMANS
TRUE
SYNERGISM RELATIONSHIP MEANS
RELATIONSHIP BETWEEN TWO OR MORE FREE-LIVING ORGANISMS THAT BENEFITS THEM BUT IS NOT NECESSARY FOR THEIR SURVIVAL
SYMBIOSIS MEANS THAT TWO ORGANISMS LIVE TOGETHER IN PARTNERSHIP
TRUE
IN COMMENSALISM
ONE ORGANISM RECEIVES BENEFITS, WHILE ITS COINHABITANT IS NEITHER HARMED NOR BENEFITED
DURING GENERATION TIME YOU EXPECT TO SEE THE NUMBER OF MICROBIAL CELLS TO BE
DOUBLED
ASSUME HAVING A BACTERIAL CELL IN AN OPTIMAL CONDITION OF GROWTH WITH GENERATION TIME OF 20 MINUTES. HOW MANY CELLS WILL BE IN THE CULTURE MEDIA AFTER 1 HOUR.
4
BACTERIAL GROWTH CURVE HAS BLANK PHASES
4
LOG PHASE INVOLVES RAPID DIVIDING OF BACTERIA CELLS
FALSE
STANDARD PLATE COUNT METHOD CAN MEASURE VIABLE AS WELL AS DEAD CELL DENSITY
FALSE
THE OPTIMAL TEMPERATURE FOR MOST OF BACTERIA IS BLANK DEGREES C
37
WHAT IS THE NAME OF THE MAIN REPRODUCTION METHOD IN BACTERIA
BINARY FISSION
THERE ARE NO SPECIES OF BACTERIA THAT ARE ABLE TO LIVE AT ABOUT FREEZING/BOILING TEMPERATURES
FALSE
MOST BACTERIA GROW BETWEEN pH
6.5-7.5
THERE ARE SOME GI BACTERIA AND VIRUSES THAT CAN SURVIVE LOW pH
TRUE
ACIDOPHIL BACTERIA ARE THOSE THAT CAN SURVIVE LOW pH
TRUE
OBLIGATE ANAEROBES BACTERIA
DIE IN THE PRESENCE OF OXYGEN
ENDOCYTOSIS IS A FORM OF ACTIVE TRANSPORT
TRUE
WHAT IS THE MAIN DIFFERENCE BETWEEN PHAGOCYTOSIS AND PINOCYTOSIS
PHAGOCYTOSIS INVOLVES INGESTING WHOLE CELLS OR LARGE SOLID MATTER BUT PINOCYTOSIS INVOLVES INGESTING OF LIQUIDS SUCH AS OILS OR MOLECULES
THE "ENERGY CURRENCY" OF THE CELL IS
ATP
FACILITATED DIFFUSION NEEDS ENERGY
FALSE
ALTHOUGH PROTEIN CHANNELS INVOLVE IN TRANSPORTATION OF MOLECULES VIA FACILITATED DIFFUSION BUT NO ENERGY IS USED IN THIS PROCESS
TRUE
IN ACTIVE TRANSPORT, CELL IS ABLE TO TRANSPORT MOLECULES FROM LOW TO HIGH CONCENTRATION
TRUE
ACTIVE TRANSPORT IS USUALLY A COUPLED PROCESS WHICH MEANS THAT A MOLECULE IS TRANSPORTED OUTSIDE THE CELL AND A MOLECULE IS TRANSPORTED INSIDE THE CELL
TRUE
ONE MICROBE SECRETES CHEMICAL SUBSTANCES INTO THE SURROUNDING ENVIRONMENT THAT INHIBIT OR DESTROY ANOTHER MICROBE IN THE SAME HABITAT. THIS IS AN EXAMPLE OF
ANTAGONISM
WHICH OF THE FOLLOWING REQUIRES THE CELL TO USE ATP?
ENDOCYTOSIS
IN BLANK CONDITIONS, THE CELL WALL WILL HELP PREVENT THE CELL FROM BURSTING
HYPOTONIC
THE PHASE OF THE BACTERIAL GROWTH CURVE IN WHICH NEWLY INOCULATED CELLS ARE ADJUSTING TO THEIR NEW ENVIRONMENT, METABOLIZING BUT NOT GROWING IS THE
STATIONARY PHASE
THE PRINCIPLE SITES OF AMPHIBOLIC INTERACTION OCCUR DURING
GLYCOLYSIS AND KREBS CYCLE
HOW MANY CARBON DIOXIDE MOLECULES ARE PRODUCED BY THE COMPLETE AEROBIC BREAKDOWN OF ONE GLUCOSE MOLECULE
6
DURING WHICH OF THE PHASES OF CELLULAR RESPIRATION IS THE MAJORITY OF ATP FORMED
ELECTRON TRANSPORT
ENZYMES THAT ARE ALWAYS PRESENT, REGARDLESS OF THE AMOUNT OF SUBSTRATE ARE
CONSTITUTIVE ENZYMES
A HOLOENZYME IS A COMBINATION OF A PROTEIN AND ONE OR MORE SUBSTANCES CALLED
COFACTORS
EACH OF THE FOLLOW ARE TRUE OF ENZYMES
THEY CAN BE USED OVER AND OVER
THEY MAY OR MAY NOT REQUIRE COFACTORS
THEY INCREASE THE ACTIVATION ENERGY
ENZYMES DECREASE THE ACTIVATION ENERGY OF A REACTION
TRUE
IN AN OXIDATION-REDUCTION REACTION, THE COMPOUND THAT LOSES THE ELECTRONS IS SAID TO BE REDUCED
FALSE
WHAT REFERS ONLY TO PROCESSES THAT RESULT IN SYNTHESIS OF CELL MOLECULES AND STRUCTURES, AND REQUIRE THE INPUT OF ENERGY
ANABOLISM
ENZYMES ARE COMPOSED OF
PROTEIN
ENZYMES ARE USUALLY NAMED FROM THE TYPE OF REACTION THEY CATALYZE, WITH THE ENDING OF WHAT TO INDICATE THAT IT IS AN ENZYME
-ASE
MAIN PRODUCTS OF PHOTOSYNTHESIS ARE
GLUCOSE AND O2
PHOTOSYNTHESIS REACTIONS TAKE PLACE IN
CHLOROPLAST
WHAT REACTION OF PHOTOSYNTHESIS IS LIGHT-DEPENDENT
LIGHT
LIGHT REACTIONS OF PHOTOSYNTHESIS OCCUR IN
CHLOROPLAST GRANA
DARK REACTIONS OF PHOTOSYNTHESIS OCCUR IN
CHLOROPLAST STROMA
THE MAIN PRODUCTS OF LIGHT REACTION IN PHOTOSYNTHESIS ARE
ATP AND NADPH
THE PROCESS OF CONVERTING CO2 TO SUGARS IS DONE DURING WHAT REACTION
DARK REACTIONS OF PHOTOSYNTHESIS
INCOMPLETE OXIDATION OF GLUCOSE OR OTHER CARBOHYDRATES WITHOUT OXYGEN IS CALLED
FERMENTATION
HOW MANY ATP MOLECULES ARE PRODUCED PER 1 GLUCOSE
38
ORGANISMS OXIDIZE CARBOHYDRATES AS PRIMARY ENERGY SOURCE FOR ANABOLISM. THIS PROCESS IS CALLED
RESPIRATION
ALL FORMS OF RESPIRATION STARTS WITH KREB'S CYCLE
FALSE
HIGH TEMPERATURES DENATURE ENZYMES
TRUE
MAIN PRODUCTS OF RESPIRATION ARE
ATP
OXIDATION AND REDUCTION REACTIONS ARE USUALLY COUPLED
TRUE
IF THE WILD TYPE DNA SEQUENCE READS THE CAT ATE THE BIG RAT, WHAT TYPE OF MUTATION WOULD CHANGE THE SEQUENCE TO THE CAT ATA ETH EBI GRA T
INSERTION
A FRAME SHIFT IS CAUSED BY WHAT MUTATIONS
DELETION AND INSERTION
GENETIC ALTERATION OF A CELL RESULTING FROM THE UPTAKE AND EXPRESSION OF FOREIGN GENETIC MATERIAL VIA VIRUSES IS CALLED
TRANSDUCTION
A LINEAR SEQUENCE OF NUCLEOTIDES THAT CALLS FOR ASSEMBLY OF SPECIFIC AMINO ACIDS INTO A POLYPEPTIDE IS CALLED
GENE
HUMANS HAVE THE HIGHEST NUMBER OF GENES AMONG OTHER ORGANISM
TRUE
HOW DOES A 6 FEET LONG HUMAN DNA FIT INTO A NUCLEUS
IT IS TIGHTLY PACKAGED USING HISTONE
NUCLEOID IS
A REGION OF CYTOPLASM IN PROKARYOTES WHERE DNA IS LOCATED
R-PLASMID CONTAINS
ANTIBIOTIC AND TOXIN RESISTANT GENE
NUCLEOSOME IS
A STRUCTURE IN WHICH DNA IS WRAPPED AROUND SOME PROTEIN TWICE
A CIRCULAR PROTEIN THAT DNA IS WRAPPED AROUND IS CALLED
HISTONE
DIFFUSE MATERIAL WITHIN NUCLEUS OF A NON-DIVIDING CELL; CONSISTS OF DNA AND PROTEINS IS CALLED
CHROMATIN
HOW MANY CHROMOSOMES PAIRS ARE THERE IN HUMANS
46
CENTRAL DOGMA OF BIOLOGY SAYS THAT
GENETIC INFORMATION MOVES FROM DNA TO RNA TO PROTEIN
NUCLEIC ACID C ALWAYS PAIR WITH
G
WHAT DOES "DNA STRANDS THAT ARE IN AN ANTI-PARALLEL ARRANGEMENT" REFER TO
ONE STRAND PROCEEDS 3' TO 5' AND THE OTHER ONE PROCEEDS 5' TO 3'
NEW STRANDS OF DNA COMPOSED OF ONE ORIGINAL AND ONE DAUGHTER STRAND. THAT'S WHY DNA REPLICATION IS
SEMICONSERVATIVE
DNA REPLICATION STARTS AT ONE END AND ENDS AT THE OTHER END
FALSE
HELICASE'S ROLE INVOLVES
UNZIPPING DNA MOLECULE
OKAZAKI FRAGMENTS ARE CONSTRUCTED ON
BOTH LAGGING STRAND AND LEADING STRAND
DNA LIGASE
FINAL BINDING OF NEWLY SYNTHESIZED DNA FRAGMENTS
OCCASIONALLY AN INCORRECT BASE IS ADDED TO THE GROWING CHAIN IN DNA REPLICATION
TRUE
RNA IS A DOUBLE STRANDED MOLECULE
FALSE
THERE IS U NUCLEOTIDE INSTEAD OF A IN THE STRUCTURE OF RNA MOLECULES
FALSE
THERE ARE BLANK TYPES OF RNA IN A CELL
3
WHAT BRING AMINO ACIDS TO RIBOSOMES DURING TRANSLATION
tRNA
INITIATION STEP OF TRANSCRIPTION INVOLVES
BINDING OF TRANSCRIPTION FACTORS TO PROMOTER SITES
TERMINATION OF TRANSCRIPTION USUALLY INVOLVES
BRINGING RNA POLYMERASE TO A DNA STRAND
CODING REGIONS THAT WILL BE TRANSLATED INTO PROTEIN ARE CALLED
EXONS
RNA SPLICING MEANS
FURTHER PROCESSING OF RNA BEFORE TRANSLATION
THE NONTRANSCRIBED REGION OF DNA TO WHICH RNA POLYMERASE BIND TO INITIATE TRANSCRIPTION IS CALLED THE
PROMOTER
ALL OF THE FOLLOWING PERTAIN TO TRANSCRIPTION
OCCURS BEFORE TRANSLATION
REQUIRES RNA POLYMERASE
REQUIRES A TEMPLATE DNA STRAND
GROUPS OF THREE CONSECUTIVE BASES ALONG THE DNA OF A GENE HAVE THE CODE OF ONE
AMINO ACID
THE ENZYMES THAT CAN PROOFREAD REPLICATING DNA, DETECT INCORRECT BASES, EXCISE THEM AND CORRECTLY REPLACE THEM ARE
DNA POLYMERASES