BISC 160 Exam 3 || Acknowledged Answers 100%.
The molecule that connects a growing polypeptide chain and mRNA is called
A-tRNA
B-a promoter
C-RNA polymerase
D-rRNA correct answers B
An inducible operon is usually controlled by
A- being turned "off," usually by the end product of the pathway
B- an active repressor that keeps it in the "off" state
C- an inducer molecule that keeps it in the "off" state
D- being active at all times correct answers B
Generally speaking how many "turns" of the Calvin Cycle are needed to ultimately gain one
molecule of glucose?
A- 12
B- 6
C- 3
D- 1 correct answers B
Mutations are
A- Heritable changes in the sequence of DNA bases
B- Mistakes in the incorporation of amino acids into proteins
C- Heritable changes in the mRNA of an organism
D- Heritable changes in the sequence of DNA bases that produce an observable phenotype
correct answers A
, During photorespiration, rubisco uses____ as a substrate
A- glyceraldehyde-3-phosphate
B-CO2
C-O2
D-NADPH correct answers C
In PCR, ___ creates single-stranded DNA template molecules
A-dNTP's
B-heat
C-a primer
D-DNA polymerase
E-helicase correct answers B
In a pro metaphase cell, the
A-nuclear envelope is visible with the light microscope
B-mitotic spindle is beginning to assemble
C- spindle fibers pull chromosomes to opposite sides of the cell.
D-nuclear envelope disappears
E-duplicated chromosomes become visible with the light microscope correct answers D
Translation is initiated at the ____
A-UAG codon
B-downstream sequence
C-AUG codon
D-anticodon
E-promoter correct answers C
The molecule that connects a growing polypeptide chain and mRNA is called
A-tRNA
B-a promoter
C-RNA polymerase
D-rRNA correct answers B
An inducible operon is usually controlled by
A- being turned "off," usually by the end product of the pathway
B- an active repressor that keeps it in the "off" state
C- an inducer molecule that keeps it in the "off" state
D- being active at all times correct answers B
Generally speaking how many "turns" of the Calvin Cycle are needed to ultimately gain one
molecule of glucose?
A- 12
B- 6
C- 3
D- 1 correct answers B
Mutations are
A- Heritable changes in the sequence of DNA bases
B- Mistakes in the incorporation of amino acids into proteins
C- Heritable changes in the mRNA of an organism
D- Heritable changes in the sequence of DNA bases that produce an observable phenotype
correct answers A
, During photorespiration, rubisco uses____ as a substrate
A- glyceraldehyde-3-phosphate
B-CO2
C-O2
D-NADPH correct answers C
In PCR, ___ creates single-stranded DNA template molecules
A-dNTP's
B-heat
C-a primer
D-DNA polymerase
E-helicase correct answers B
In a pro metaphase cell, the
A-nuclear envelope is visible with the light microscope
B-mitotic spindle is beginning to assemble
C- spindle fibers pull chromosomes to opposite sides of the cell.
D-nuclear envelope disappears
E-duplicated chromosomes become visible with the light microscope correct answers D
Translation is initiated at the ____
A-UAG codon
B-downstream sequence
C-AUG codon
D-anticodon
E-promoter correct answers C
