Final Exam

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THE 2N NUMBER OF HUMAN CHROMOS IS ___

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46

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THE PROCESS WHERE HOMOLOGOUS CHROMOS ALIGHN END TO END IN MEIOSIS IS CALLED _____ AND TAKES PLACE DURIN _______

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SYNAPSIS;PROPHASE

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CROSSING OVER IN MEIOSIS OCCUR B/W _______ _______

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NONSISTER CHROMATIDS

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______ ______ CENTROMERES ARE IN THE SAME POSITION RELATIVE TO CHROMOSONE ENDS

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HOMOLGOUS CHROMOS

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_______ _______ ARE INHERITED ONE FROM EACH PARENT

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HOMOLOGOUS CHROMOS

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HOMOLOGOUS CHROMOS CONTAIN THE SAME _____ ____ AND ENGAGE IN ______ _____

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GENETIC LOCI;CROSSING OVER

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IF 2N=24, HOW MANY CENTROMERES WILL BE PRESENT AT METAPHASE 1?

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24

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THE REDUCTION DIVISION IN MEIOSIS IS ______ __

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MEIOSIS 1

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IN SOME ORGANISMS, THE ZYGOTE DIVIDE BY ______ RATHER THAT ______

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MEIOSIS;MITOSIS

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IN SOME LIFE CYCLES,MITOSIS OCCURS IN BOTH THE ______ AND ______ STAGES

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HAPLOID;DIPLOID

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THE CELL FORMED BY SYNGAMY IS THE _____

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ZYGOTE

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MITOSIS AND MEIOSIS ARE ____,NOT CELLELAR DIVISIONS

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NUCLEAR

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THE VISIBLE MANIFESTATION OF CROSSING OVER AT MEIOSIS IS ________

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CHIASMATA

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WITH RESPECT ONLY TO MATERNAL AND PATERNAL CHROMOS,IF 2N=6,HOW MANY DIFFERNET TYPES OF GAMETES CAN BE PRODUCED?

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8

Front 15

DNA REPLICATION IS ___ TO ___ ON THE GROWING END AND _______

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5' TO 3';ENDERGONIC

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____ _______ UTILIZES dNTP SUBSTRATES

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DNA POLYMERASE

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DNA POLYMERASE REQUIRES A _______

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TEMPLATE

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_____ _______ EXISTS IN MULTIPLE FORMS IN BACTERIAL AND EUKARYOTIC CELLS

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DNA POLYMERASE

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DNA POLYMERASE CAN HAVE _________ ACTIVITY

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PROOFREADING

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HELICASE IS ASSOCIATED WITH THE _______ OF DNA

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UNWINDING

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LIGASE IS ASSOCIATED WITH CLOSE 5'-3' _______ _____

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PHOSPHODIESTER BONDS

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SSB MAINTAINS _____ _____ ATAE

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SINGLE STRAND

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________ RELIEVES STRESS

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TOPOISOMERASE

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IF A BACTERIAL DNA CONSISTS OF 18% T....
IT HAS ___ A; ___ GC; ___ C

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18;64;32

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THE GROWING END OF A POLYNUCLEOTIDE CHAIN IS ITS ___ END

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3'

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THE # OF HYDROGEN BONDS IN AT BASE PAIRS IS ___

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2

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PURINES INCLUDE ___ AND ___

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A AND G

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______ ARE EQUAL IN MOLAR QUANTITY TO PYRIMIDINES IN DNA

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PURINES

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PURINES ARE _______ RINGS

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HETEROCYCLIC

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DNA SYNTHESIS OCCURS B/W MEIOSIS 1 AND MEIOSIS 2.
T/F

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FALSE

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WHO SHOWED THAT THE SUBSTANCE RESPONSIBLE FOR TRANSFORMATION IN GRIFFITHS EXPERIMENTS IS DNA?

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AVERY,MACLEOD AND MCCARTY

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______ ______ BIND TO PROMOTER SEQUENCES TO RECRUIT RNA POLYMERASE

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TRANSCRIPTION FACTORS

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NTP SUBSTRATES PROVIDE ENRGY FOR ______

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TRANSCRIPTION

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IN EUKARYOTES,MOST RNA IS PROCESSED AFTER ________

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TRANSCRIPTION

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WHAT MODIFICATION IS MADE TO THE 5' END OF EUKARYOTE PRE-mRNA?

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GTP CAPPING

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WHAT IS THE FUNCTION OF THE CAP ON EUKARYOTIC mRNA?

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RIBOSOME RECOGNITION

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RIBOSOMES ARE COMPOSED OF _____ AND ______

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rRNA AND PROTEIN

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RIBOSOMES TRANSLATE _____ INTO POLYPEPTIDE

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mRNA

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ANTICODONS ARE FOUND ON ______

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tRNA

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_____ ___ ______ DOES NOT DEPEND ON HYDROGEN BONDING

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POLY A ADDITION

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IN EUKARYOTES,INTRONS IN PRE-mRNA ARE REMOVED BY THE ______

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SPLICEOSOME

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______ IN PRE-mRNA ARE MARKED BY THE SEQUENCE 5'GU...AG3'

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INTRONS

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ATTAAT IS ______

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PALINDROMIC

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INTRONS ARE ______ AFTER THEIR REMOVAL

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DESTROYED

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FOR SOME EUKARYOTIC GENES,>90% OF THE GENE CONSISTS OF ______

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INTRONS

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ALTERNATIVE ______ AND ALTERNATIVE _______ ALLOW A GENE TO SPECIFY MORE THAN ONE RELATED POLYPEPTIDE

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SPLICING;PROMOTERS

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A GIVEN GENE CAN BE TRANSCRIBED _____ TIMES AND EACH ______ TRANSLATED BY MANY RIBOSOMES

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MANY;mRNA`

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IN RECOMBINANT DNA TECHNOLOGY,BACTERIAL PLASMIDS ARE TYPICALLY USED AS ______ ______

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CLONING VECTORS

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THE EXTRACTION OF INFO FROM NT SEQUENCES IS ______

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GENOMICS

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THE DNA ENDS HinDIII ARE ______,REGARDLESS OF DNA SOURCE

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IDENTICAL

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THE DNA ENDS HinDIII CAN BE LIGATED TOGETHER TO COMBINE ____ FROM TWO DIFFERNET ORGANISMS

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DNA

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THE DNA ENDS HinDIII HAVE A ___ NT SINGLE STRANDED OVERHANG

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4

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TRANSCRIPTION FACTORS RECOGNIZE THEIR TARGET DNA SEQUENCES BY ______ ______ WITH EDGES OF BASE PAIRS THRU THE MAJOR GROOVE

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HYDROGEN BONDING

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THE TECHNIQUES INVENTED BY MULLIS TO AMPLIFY DNA WITHOUT CLONING IS CALLED _____

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PCR

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ABOUT WHEN DID MENDEL PUBLISH HIS FAMOUS STUDY OF IMHERITANCE?

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ABOUT 1865

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MENDEL---IN THE F2 GENERATION THE EXPECTED PHENOTYPIC RATIOS ARE...

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3:1

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MENDEL---IN THE TESTCROSS OF THE F1 DIHYBRID,THE EXPECTED PHENOTYPIC RATIOS WERE...

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1:1:1:1

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DIFFERNET FORMS OF THE SAME GENES ARE KNOWN AS ______

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ALLELES

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HOW MANY DIFFERENT KINDS OF GAMETES CAN BE PRODUCED BY AN INDIVIDUAL OF THE FOLLOWING GENOTYPE:aa BB Cc Dd EE Ff GG hH JJ?

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16

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THE ODD PHENOTYPIC RATIOS THAT RESULT FROM THE CROSS OF 2 MANX CATS ILLUSTRATE ________

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PLEIOTROPY

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THE PECULIAR 9:7 DIHYBRID PHENOTYPIC RATIOS THAT RESULT FROM CROSSES OF 2 VARIETIES OF CORN ILLUSTRATE _______

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EPISTASIS

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_______ _______ IS A HUMAN GENETIC DISORDER THAT IS INHERITED AS AN X-LINKED RECESSIVE CHARACTER

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COLOR BLINDNESS