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BACE Review 2 Question and Answer 2023
Molecular weight marker and DNA Ladder - What should be included on the gel to enable you to determine actual sizes of the DNA fragments? 
 
Using temp. too low - What is the most likely reason there is an unexpected band in her PCR reaction? 
 
MRNA - The order of amino acids on a polypeptide chain is encoded by: 
 
Has final say if a production batch may be released for sale or use? - Function of Quality Assurance (QA) personnel? 
 
The 3D structure of DNA is revealed. - What contribut...
- Exam (elaborations)
- • 7 pages •
Molecular weight marker and DNA Ladder - What should be included on the gel to enable you to determine actual sizes of the DNA fragments? 
 
Using temp. too low - What is the most likely reason there is an unexpected band in her PCR reaction? 
 
MRNA - The order of amino acids on a polypeptide chain is encoded by: 
 
Has final say if a production batch may be released for sale or use? - Function of Quality Assurance (QA) personnel? 
 
The 3D structure of DNA is revealed. - What contribut...
BACE Practice Test 2 Question and Answer 2023
Complimentary base pairing between two DNA strands is due to the formation of - hydrogen bonds 
 
Cellulose is an important raw material for textiles and a variety of other industries. Which of the following is a function of polysaccharides in the cell? - Providing structure and energy storage within cells 
 
Lipids are composed mainly of which of the following atoms? - carbon and hydrogen 
 
T/F: A solute is the dissolved matter in a solution. - true 
 
Process which uses oxygen as a ra...
- Exam (elaborations)
- • 12 pages •
Complimentary base pairing between two DNA strands is due to the formation of - hydrogen bonds 
 
Cellulose is an important raw material for textiles and a variety of other industries. Which of the following is a function of polysaccharides in the cell? - Providing structure and energy storage within cells 
 
Lipids are composed mainly of which of the following atoms? - carbon and hydrogen 
 
T/F: A solute is the dissolved matter in a solution. - true 
 
Process which uses oxygen as a ra...
BACE Practice Question and Answer 2023
Which of the following is an example of a product easily found in nature? - antibiotic 
 
In a biotechnology lab, tap water is best used for - washing glassware 
 
The order of amino acids on a polypeptide chain is encoded by - mRNA 
 
What is Agar? - solid media on which bacteria grow 
 
What part of an amino acid differs from one to the other? - R group 
 
How can colorless proteins be monitored during electrophoresis? - PAGE loading dye 
 
Which of the following is an mRNA codon? ...
- Exam (elaborations)
- • 5 pages •
Which of the following is an example of a product easily found in nature? - antibiotic 
 
In a biotechnology lab, tap water is best used for - washing glassware 
 
The order of amino acids on a polypeptide chain is encoded by - mRNA 
 
What is Agar? - solid media on which bacteria grow 
 
What part of an amino acid differs from one to the other? - R group 
 
How can colorless proteins be monitored during electrophoresis? - PAGE loading dye 
 
Which of the following is an mRNA codon? ...
BACE Practical Review Question and Answer 2023
Restriction Enzyme (Restriction Endonuclease) - An enzyme produced chiefly by certain bacteria, having the property of cleaving/cutting/digesting DNA molecules at or near a specific sequence of bases. 
 
Spectrophotometer - Used to measure protein or DNA concentration; an apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substances. 
 
Horizontal Gel Electrophoresis Box - Used to run DNA agarose gels. 
 
Vertical Ge...
- Exam (elaborations)
- • 6 pages •
Restriction Enzyme (Restriction Endonuclease) - An enzyme produced chiefly by certain bacteria, having the property of cleaving/cutting/digesting DNA molecules at or near a specific sequence of bases. 
 
Spectrophotometer - Used to measure protein or DNA concentration; an apparatus for measuring the intensity of light in a part of the spectrum, especially as transmitted or emitted by particular substances. 
 
Horizontal Gel Electrophoresis Box - Used to run DNA agarose gels. 
 
Vertical Ge...
BACE Knowledge Exam Question and Answer 2023
Covalent - sharing electrons between atoms 
 
Polar Covalent - a pair of electrons is unequally shared between two atoms; ex. water 
 
Ionic - complete transfer of valence electrons between atoms 
 
Carbs - CHO 
 
Lipids - CHOP (phosphorus in phospholipids only) 
 
Proteins - CHON 
 
Nucleic acids - CHONP 
 
Homo - same uniform appearance and composition 
 
Hetero - visibly different substances of phases 
 
Aerobic - with air, cellular respiration 
 
Anaerobic - without air, ...
- Exam (elaborations)
- • 10 pages •
Covalent - sharing electrons between atoms 
 
Polar Covalent - a pair of electrons is unequally shared between two atoms; ex. water 
 
Ionic - complete transfer of valence electrons between atoms 
 
Carbs - CHO 
 
Lipids - CHOP (phosphorus in phospholipids only) 
 
Proteins - CHON 
 
Nucleic acids - CHONP 
 
Homo - same uniform appearance and composition 
 
Hetero - visibly different substances of phases 
 
Aerobic - with air, cellular respiration 
 
Anaerobic - without air, ...
Bace written/practical exam - biotech 20 Question and Answer 2023
what is not considered a significant advance in PCR methodology - the use of agarose gel electrophoresis to visualize amplified products 
 
describe DNA ligase - joining pieces of DNA together 
 
describe heat stable DNA polymerase - performing PCR reactions 
 
describe protease - degrading protein 
 
describe restriction enzymes - digesting DNA 
 
what is a negative outcome of growing or consuming genetically modified food crops? - decrease genetic diversity 
 
bioethics is best des...
- Exam (elaborations)
- • 3 pages •
what is not considered a significant advance in PCR methodology - the use of agarose gel electrophoresis to visualize amplified products 
 
describe DNA ligase - joining pieces of DNA together 
 
describe heat stable DNA polymerase - performing PCR reactions 
 
describe protease - degrading protein 
 
describe restriction enzymes - digesting DNA 
 
what is a negative outcome of growing or consuming genetically modified food crops? - decrease genetic diversity 
 
bioethics is best des...
Bace written/practical exam - Bace 1 written 2020 Question and Answer 2023
running protein gels - vertical gel electrophoresis 
 
DNA ligase - joining pieces of DNA 
 
running DNA gels - horizontal gel electrophoresis 
 
restriction enzymes - digesting DNA 
 
DNA polymerase - synthesizes DNA by adding nucleotides one by one 
 
DNA helicase - separates DNA into two strands 
 
how does immune checkpoint therapy work? - immune checkpoint therapies can stop the immune system's response 
 
traditional treatments for cancer such as radiation and chemotherapy w...
- Exam (elaborations)
- • 2 pages •
running protein gels - vertical gel electrophoresis 
 
DNA ligase - joining pieces of DNA 
 
running DNA gels - horizontal gel electrophoresis 
 
restriction enzymes - digesting DNA 
 
DNA polymerase - synthesizes DNA by adding nucleotides one by one 
 
DNA helicase - separates DNA into two strands 
 
how does immune checkpoint therapy work? - immune checkpoint therapies can stop the immune system's response 
 
traditional treatments for cancer such as radiation and chemotherapy w...
BACE test Question and Answer 2023
what represents the correct order of assembly in the cell - Amino acid, polypeptide, protein 
 
t/f: A single base pair change in a gene's DNA sequence can affect the shape and function of the protein it encodes. - true 
 
t/f:The three-dimensional structure of a protein is largely determined by the amino acid sequence. - true 
 
A structural gene's code is 5' TAC ATG CCC TTA ATC 3', what will the mRNA transcript be? - 3' AUG UAC GGG AAU UAG 5' 
 
Circular, long DNA containing seve...
- Exam (elaborations)
- • 10 pages •
what represents the correct order of assembly in the cell - Amino acid, polypeptide, protein 
 
t/f: A single base pair change in a gene's DNA sequence can affect the shape and function of the protein it encodes. - true 
 
t/f:The three-dimensional structure of a protein is largely determined by the amino acid sequence. - true 
 
A structural gene's code is 5' TAC ATG CCC TTA ATC 3', what will the mRNA transcript be? - 3' AUG UAC GGG AAU UAG 5' 
 
Circular, long DNA containing seve...
BACE Practice Exam Version A 3.0 General Topics in Biotechnology Question and Answer 2023
Which of the following is NOT considered a significant advance in PCR methodology? - the use of agarose gel electrophoresis to visualize amplified products 
 
Match the enzyme to its potential use in the laboratory 
 
DNA ligase - joining pieces of DNA together 
 
Match the enzyme to its potential use in the laboratory 
 
Heat-stable DNA polymerase - preforming PCR reactions 
 
Match the enzyme to its potential use in the laboratory 
 
Protease - degrading protein 
 
Match the enzy...
- Exam (elaborations)
- • 4 pages •
Which of the following is NOT considered a significant advance in PCR methodology? - the use of agarose gel electrophoresis to visualize amplified products 
 
Match the enzyme to its potential use in the laboratory 
 
DNA ligase - joining pieces of DNA together 
 
Match the enzyme to its potential use in the laboratory 
 
Heat-stable DNA polymerase - preforming PCR reactions 
 
Match the enzyme to its potential use in the laboratory 
 
Protease - degrading protein 
 
Match the enzy...
BACE Practice Exam Questions Version A Question-and-Answer 2023
NaCl is a: 
-nonpolar covalent 
-ionic 
-polar covalent - ionic 
 
H2O is a: 
-nonpolar covalent 
-ionic 
-polar covalent - polar covalent 
 
CH4 is a: 
-nonpolar covalent 
-ionic 
-polar covalent - nonpolar covalent 
 
What should be used to calculate the amount of compound required to make a solution? - molecular weight 
 
What is an example of a carbohydrate and its associated functions? - Example is cellulose. Functions are energy storage, receptors, structure of plant cell...
- Exam (elaborations)
- • 10 pages •
NaCl is a: 
-nonpolar covalent 
-ionic 
-polar covalent - ionic 
 
H2O is a: 
-nonpolar covalent 
-ionic 
-polar covalent - polar covalent 
 
CH4 is a: 
-nonpolar covalent 
-ionic 
-polar covalent - nonpolar covalent 
 
What should be used to calculate the amount of compound required to make a solution? - molecular weight 
 
What is an example of a carbohydrate and its associated functions? - Example is cellulose. Functions are energy storage, receptors, structure of plant cell...