BACE Comprehensive Resource To Help You Ace 2026-2027
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is the correct description of prokaryotic DNA?
A. Circular, long DNA containing several thousand genes
B. Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
C. Cytoplasmic, circular DNA containing only a few genes - Correct Answer: A.
Circular, long DNA containing several thousand genes
2. What is the correct description of eukaryotic DNA?
A. Circular, long DNA containing several thousand genes
B. Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
C. Cytoplasmic, circular DNA containing only a few genes - Correct Answer: B.
Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
3. What is the correct description of plasmid DNA?
A. Circular, long DNA containing several thousand genes
B. Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
C. Cytoplasmic, circular DNA containing only a few genes - Correct Answer: C.
Cytoplasmic, circular DNA containing only a few genes
4. What is the best definition of the term "hypothesis" as it is used in science?
A. A hypothesis is a testable explanation for a scientific problem or question.
B. A hypothesis is a comprehensive set of ideas explaining a natural phenomenon.
, C. A hypothesis is a scientific model
D. A hypothesis is an assumption based on a verifiable law, and can be proven true.
- Correct Answer: A. A hypothesis is a testable explanation for a scientific
problem or question.
5. Sumpter and Jobling concluded that the expression of vitellogenin in male fish was
dependent on the concentration of industrial chemicals in the environment. Which of
the following assays would most likely be used to measure how much vitellogenin is in a
blood sample?
A. PCR
B. Spectrophotometry
C. Restriction Enzyme Digest
D. ELISA - Correct Answer: D. ELISA
6. Your supervisor provides you with a 1.0 mg/mL solution of Bovine Serum Albumin (BSA).
What is the dilution ratio if you add 100 µL of 1.0 mg/mL BSA to 100 µL of diluent?
A. 1:10
B. 1:7.5
C. 1:2
D. 1.5 - Correct Answer: C. 1:2
7. Calculate the volume in mL of 100% ethanol required to make 0.75 L of a 70% (v/v)
solution of ethanol in water. Record the correct amount below.
A. 235mL
B. 480mL
C. 525mL
D. 1025mL - Correct Answer: C. 525mL
8. Calculate the mass in g of CaCl2 required to make 375 mL of a 24% (w/v) CaCl2 solution.
Record the correct amount, rounded to one decimal place.
A. 90g
B. 20g
C. 100g
D. 3g - Correct Answer: A. 90g
, 9. Your supervisor asks you to make a 1 M solution of MgCl2. Which of the following could
you use to calculate the mass of MgCl2 required to make the solution?
A. Molecular mass
B. Formula weight
C. Molecular weight
D. All of the above - Correct Answer: D. All of the above
10. What laboratory equipment is being described?
Mixes or homogenizes small volume solutions
A. Biosafety cabinet
B. Electrophoresis system
C. pH meter
D. Vortex
E. Shaking incubator
F. Autoclave
G. Thermal cycler
H. Balance
I. Micropipette
J. Centrifuge - Correct Answer: D. Vortex
What laboratory equipment is being described?
Enclosed, ventilated lab workspace
A. Biosafety cabinet
B. Electrophoresis system
C. pH meter
D. Vortex
Exams Includes Frequently Tested Questions With
ELABORATED 100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! Current Update!!
1. What is the correct description of prokaryotic DNA?
A. Circular, long DNA containing several thousand genes
B. Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
C. Cytoplasmic, circular DNA containing only a few genes - Correct Answer: A.
Circular, long DNA containing several thousand genes
2. What is the correct description of eukaryotic DNA?
A. Circular, long DNA containing several thousand genes
B. Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
C. Cytoplasmic, circular DNA containing only a few genes - Correct Answer: B.
Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
3. What is the correct description of plasmid DNA?
A. Circular, long DNA containing several thousand genes
B. Linear, long pieces of DNA with many thousands of genes, contained within a
nucleus
C. Cytoplasmic, circular DNA containing only a few genes - Correct Answer: C.
Cytoplasmic, circular DNA containing only a few genes
4. What is the best definition of the term "hypothesis" as it is used in science?
A. A hypothesis is a testable explanation for a scientific problem or question.
B. A hypothesis is a comprehensive set of ideas explaining a natural phenomenon.
, C. A hypothesis is a scientific model
D. A hypothesis is an assumption based on a verifiable law, and can be proven true.
- Correct Answer: A. A hypothesis is a testable explanation for a scientific
problem or question.
5. Sumpter and Jobling concluded that the expression of vitellogenin in male fish was
dependent on the concentration of industrial chemicals in the environment. Which of
the following assays would most likely be used to measure how much vitellogenin is in a
blood sample?
A. PCR
B. Spectrophotometry
C. Restriction Enzyme Digest
D. ELISA - Correct Answer: D. ELISA
6. Your supervisor provides you with a 1.0 mg/mL solution of Bovine Serum Albumin (BSA).
What is the dilution ratio if you add 100 µL of 1.0 mg/mL BSA to 100 µL of diluent?
A. 1:10
B. 1:7.5
C. 1:2
D. 1.5 - Correct Answer: C. 1:2
7. Calculate the volume in mL of 100% ethanol required to make 0.75 L of a 70% (v/v)
solution of ethanol in water. Record the correct amount below.
A. 235mL
B. 480mL
C. 525mL
D. 1025mL - Correct Answer: C. 525mL
8. Calculate the mass in g of CaCl2 required to make 375 mL of a 24% (w/v) CaCl2 solution.
Record the correct amount, rounded to one decimal place.
A. 90g
B. 20g
C. 100g
D. 3g - Correct Answer: A. 90g
, 9. Your supervisor asks you to make a 1 M solution of MgCl2. Which of the following could
you use to calculate the mass of MgCl2 required to make the solution?
A. Molecular mass
B. Formula weight
C. Molecular weight
D. All of the above - Correct Answer: D. All of the above
10. What laboratory equipment is being described?
Mixes or homogenizes small volume solutions
A. Biosafety cabinet
B. Electrophoresis system
C. pH meter
D. Vortex
E. Shaking incubator
F. Autoclave
G. Thermal cycler
H. Balance
I. Micropipette
J. Centrifuge - Correct Answer: D. Vortex
What laboratory equipment is being described?
Enclosed, ventilated lab workspace
A. Biosafety cabinet
B. Electrophoresis system
C. pH meter
D. Vortex
