BSC 1010 EXAM QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS 100% VERIFIED GRADED A+
+
_____ is when an organism has more than two complete sets of chromosomes.
Polyploidy
When part of the chromosome has flipped its ordinary order.
Inversion
Change in one base of DNA that creates a premature stop codon.
Nonsense mutation
Humans are _____ and have the XX-XY system of sex determination.
mammals
The _____ peptide binds to the _____ recognition particle to make sure that a ribosome that is making
a protein destined to be made on rough ER gets to the RER.
signal
The _____ strand of DNA is made discontinuously.
lagging
Transcription occurs in the _____ of a eukaryotic cell.
,nucleus
The genetic code has more codons than amino acids.
degenerate
This enzyme adds repeated units of DNA to the ends of chromosomes.
Telomerase
When the tRNA's anticodon binds to the mRNA's codon, it is called codon ____
recognition
An organism that does not have a true set of chromosomes (one or more chromosomes have greater
or lesser than normal number) is said to be __.
aneuploid
Process of making RNA from DNA.
transcription
Meselson-Stahl experiment with N14 and N15 proved that DNA replicates ______ -conservatively.
semi
A mutation that changes DNA sequence but does not change amino acid sequence.
silent
Part of tRNA that binds to the codon of mRNA.
anticodon
Codes for amino acid sequence in mRNA of eukaryotes.
,exon
DNA has two strands (sugar phosphate backbones) that run in opposite direction is called __.
anti-parallel
Enzyme that unwinds DNA helix during replication.
helicase
__ linked genes are found on the X chromosome in humans
sex
Process of making protein from mRNA.
translation
The frequency of crossing over or recombination between two genes is proportional to the ___
between to the two genes.
distance
Down's syndrome and XXX female are both example of ___.
trisomy
Releases torsional strain as DNA helix is opened up.
gyrase
Females with only one X chromosome (X0) have __ syndrome.
turner
The "signal ___" binds to the signal recognition particle which targets the protein to the RER.
, peptide
Males with more than one X chromosome (XXY, XXXY) have __ syndrome.
kleinefelter
At the 5' end of the eukaryotic mRNA is a modified G, which is called a 5' ____.
cap
Beadle and Tatum proposed the one gene one __ hypothesis.
enzyme
A chromosome abnormality with only one chromosome where two is normal number.
monosomy
Factory site where proteins are synthesized (singular form of word).
ribosome
a mutation in DNA that changes one and only one amino acid in a polypeptide chain
missense
Ants and __ (plural form) often have the haploid-diploid system of sex determination.
bees
Short piece of RNA made by enzyme to provide DNA polymerase with a 3' hydroxyl.
primer
The __ strand of DNA is made continuously.
leading
COMPLETE SOLUTIONS 100% VERIFIED GRADED A+
+
_____ is when an organism has more than two complete sets of chromosomes.
Polyploidy
When part of the chromosome has flipped its ordinary order.
Inversion
Change in one base of DNA that creates a premature stop codon.
Nonsense mutation
Humans are _____ and have the XX-XY system of sex determination.
mammals
The _____ peptide binds to the _____ recognition particle to make sure that a ribosome that is making
a protein destined to be made on rough ER gets to the RER.
signal
The _____ strand of DNA is made discontinuously.
lagging
Transcription occurs in the _____ of a eukaryotic cell.
,nucleus
The genetic code has more codons than amino acids.
degenerate
This enzyme adds repeated units of DNA to the ends of chromosomes.
Telomerase
When the tRNA's anticodon binds to the mRNA's codon, it is called codon ____
recognition
An organism that does not have a true set of chromosomes (one or more chromosomes have greater
or lesser than normal number) is said to be __.
aneuploid
Process of making RNA from DNA.
transcription
Meselson-Stahl experiment with N14 and N15 proved that DNA replicates ______ -conservatively.
semi
A mutation that changes DNA sequence but does not change amino acid sequence.
silent
Part of tRNA that binds to the codon of mRNA.
anticodon
Codes for amino acid sequence in mRNA of eukaryotes.
,exon
DNA has two strands (sugar phosphate backbones) that run in opposite direction is called __.
anti-parallel
Enzyme that unwinds DNA helix during replication.
helicase
__ linked genes are found on the X chromosome in humans
sex
Process of making protein from mRNA.
translation
The frequency of crossing over or recombination between two genes is proportional to the ___
between to the two genes.
distance
Down's syndrome and XXX female are both example of ___.
trisomy
Releases torsional strain as DNA helix is opened up.
gyrase
Females with only one X chromosome (X0) have __ syndrome.
turner
The "signal ___" binds to the signal recognition particle which targets the protein to the RER.
, peptide
Males with more than one X chromosome (XXY, XXXY) have __ syndrome.
kleinefelter
At the 5' end of the eukaryotic mRNA is a modified G, which is called a 5' ____.
cap
Beadle and Tatum proposed the one gene one __ hypothesis.
enzyme
A chromosome abnormality with only one chromosome where two is normal number.
monosomy
Factory site where proteins are synthesized (singular form of word).
ribosome
a mutation in DNA that changes one and only one amino acid in a polypeptide chain
missense
Ants and __ (plural form) often have the haploid-diploid system of sex determination.
bees
Short piece of RNA made by enzyme to provide DNA polymerase with a 3' hydroxyl.
primer
The __ strand of DNA is made continuously.
leading
