bio 133 exam 2 test questions with correct
answers
complex traits (multifactorial) - verified answers; do not follow a simple mendelian pattern of
inheritance
Monozygotic twins coefficient of relatedness - verified answers; 100%
Heritability - verified answers; % of phenotypic variation due to genes
h=1 - verified answers; genes only
h=0 - verified answers; solely environmental
This substance contains the genetic information for the production of a protein from a
structural gene - verified answers; mRNA
Process of producing an RNA copy of a gene - verified answers; Transcription
Process of synthesizing a specific sequence of amino acids on a ribosome - verified answers;
Translation
Substance in the nucleus of cell constitutes the cell's genome - verified answers; DNA
A sequence of amino acids that correspond to the genetic information in a structural gene -
verified answers; Polypeptide
,DNA - verified answers; Double stranded, contains thymine, contains deoxyribose
RNA - verified answers; Single stranded, contains uracil, contains ribose
Both DNA and RNA - verified answers; contain adenine, guanine, and cytosine
During transcription an enzyme called _____ synthesizes DNA - verified answers; RNA
polymerase
RNA polymerase binds to the ____ of the gene being transcribed - verified answers; promoter
During transcription, RNA is synthesized beginning at the __ end of the RNA molecule -
verified answers; 5'
In complex organisms, different cell types express different genes. This is possible because of
proteins called_______ that help to initiate transcription at specific sites. - verified answers;
Transcription factors
The three stages of transcription in the correct order - verified answers; initiation, elongation,
termination
RNA is transcribed using the genes ____ strand - verified answers; template
In eukaryotic cells, parts of a molecule of mRNA called _____ are removed after transcription.
- verified answers; Introns
Cells replicate DNA during - verified answers; S phase of the cell cycle
, Which of the following descriptions of genetic information flow set illustrates the central
dogma of biology - verified answers; DNA--> RNA--> protein
During transcription - verified answers; RNA is synthesized from DNA
To express a gene, DNA is first transcribed into a corresponding strand of - verified answers;
mRNA
the DNA template ATGCGTTA is transcribed into RNA strand with sequence: - verified
answers; UACGCAAU
A genetic code word is called a - verified answers; codon
If part of a DNA template sequence is GTTAGTCTGTGGGCT, then the DNA coding strand is: -
verified answers; CAATCAGACACCCGA (coding strand has T's, G to C,T to A, A to T)
The enzyme that synthesizes messenger RNA from a DNA template is: - verified answers; RNA
polymerase
Transcription factors function in the expression of genes by - verified answers; Turning
transcription of specific genes on or off
In transcription, the promotor is - verified answers; A DNA sequence that RNA polymerase
binds
Parts of an mRNA molecule that are removed before protein synthesis are called - verified
answers; introns
answers
complex traits (multifactorial) - verified answers; do not follow a simple mendelian pattern of
inheritance
Monozygotic twins coefficient of relatedness - verified answers; 100%
Heritability - verified answers; % of phenotypic variation due to genes
h=1 - verified answers; genes only
h=0 - verified answers; solely environmental
This substance contains the genetic information for the production of a protein from a
structural gene - verified answers; mRNA
Process of producing an RNA copy of a gene - verified answers; Transcription
Process of synthesizing a specific sequence of amino acids on a ribosome - verified answers;
Translation
Substance in the nucleus of cell constitutes the cell's genome - verified answers; DNA
A sequence of amino acids that correspond to the genetic information in a structural gene -
verified answers; Polypeptide
,DNA - verified answers; Double stranded, contains thymine, contains deoxyribose
RNA - verified answers; Single stranded, contains uracil, contains ribose
Both DNA and RNA - verified answers; contain adenine, guanine, and cytosine
During transcription an enzyme called _____ synthesizes DNA - verified answers; RNA
polymerase
RNA polymerase binds to the ____ of the gene being transcribed - verified answers; promoter
During transcription, RNA is synthesized beginning at the __ end of the RNA molecule -
verified answers; 5'
In complex organisms, different cell types express different genes. This is possible because of
proteins called_______ that help to initiate transcription at specific sites. - verified answers;
Transcription factors
The three stages of transcription in the correct order - verified answers; initiation, elongation,
termination
RNA is transcribed using the genes ____ strand - verified answers; template
In eukaryotic cells, parts of a molecule of mRNA called _____ are removed after transcription.
- verified answers; Introns
Cells replicate DNA during - verified answers; S phase of the cell cycle
, Which of the following descriptions of genetic information flow set illustrates the central
dogma of biology - verified answers; DNA--> RNA--> protein
During transcription - verified answers; RNA is synthesized from DNA
To express a gene, DNA is first transcribed into a corresponding strand of - verified answers;
mRNA
the DNA template ATGCGTTA is transcribed into RNA strand with sequence: - verified
answers; UACGCAAU
A genetic code word is called a - verified answers; codon
If part of a DNA template sequence is GTTAGTCTGTGGGCT, then the DNA coding strand is: -
verified answers; CAATCAGACACCCGA (coding strand has T's, G to C,T to A, A to T)
The enzyme that synthesizes messenger RNA from a DNA template is: - verified answers; RNA
polymerase
Transcription factors function in the expression of genes by - verified answers; Turning
transcription of specific genes on or off
In transcription, the promotor is - verified answers; A DNA sequence that RNA polymerase
binds
Parts of an mRNA molecule that are removed before protein synthesis are called - verified
answers; introns
