BIOL 1500 LAB FINAL PRACTICE
QUESTIONS AND ANSWERS
How many copies of a recessive sex-linked allele does a male offspring need to
express the recessive phenotype - ANSWER-One !
The "principle of ???" states that the simplest explanation of how things work is
usually the best - ANSWER-Parsimony
When plotting data on graphs, which axis does the dependent variable go on? -
ANSWER-Y - axis
What is the correct order for the stages in PCR? - ANSWER-Denaturation,
Annealing, and Extension
During what step of PCR does Taq DNA polymerase add new nucleotides to the
template strand? - ANSWER-Extension
True or False: The null hypothesis (Ho) is the negative statement that the scientist is
trying to disprove. - ANSWER-TRUE
What are products of cellular respiration? - ANSWER-carbon dioxide, water, and
ATP
In gel electrophoresis, will longer or shorter pieces of DNA move faster through the
gel? - ANSWER-**Shorter**
True or False: A denatured enzyme can catalyse a reaction. - ANSWER-FALSE
A genetic cross between two organisms that possess three separate traits is called a
??? cross. - ANSWER-Trihybrid
The genetic composition of an individual is known as? - ANSWER-Genotype
What moves DNA through the gel during gel electrophoresis? - ANSWER-Electricity
True or False: Focal plane decrease with increasing magnification? - ANSWER-
TRUE
The most ideal color of light for green leaves to absorb would be ?? while the least
ideal would be ?? - ANSWER-Red, Green
Most enzymes found in humans have an optimum temperature of what? - ANSWER-
20 C ~ 40 C
True or False: Tonicity is the measure of osmotic pressure. - ANSWER-TRUE
How many microliters are in a milliliter? - ANSWER-1,000 microliters = 1 milliliters
QUESTIONS AND ANSWERS
How many copies of a recessive sex-linked allele does a male offspring need to
express the recessive phenotype - ANSWER-One !
The "principle of ???" states that the simplest explanation of how things work is
usually the best - ANSWER-Parsimony
When plotting data on graphs, which axis does the dependent variable go on? -
ANSWER-Y - axis
What is the correct order for the stages in PCR? - ANSWER-Denaturation,
Annealing, and Extension
During what step of PCR does Taq DNA polymerase add new nucleotides to the
template strand? - ANSWER-Extension
True or False: The null hypothesis (Ho) is the negative statement that the scientist is
trying to disprove. - ANSWER-TRUE
What are products of cellular respiration? - ANSWER-carbon dioxide, water, and
ATP
In gel electrophoresis, will longer or shorter pieces of DNA move faster through the
gel? - ANSWER-**Shorter**
True or False: A denatured enzyme can catalyse a reaction. - ANSWER-FALSE
A genetic cross between two organisms that possess three separate traits is called a
??? cross. - ANSWER-Trihybrid
The genetic composition of an individual is known as? - ANSWER-Genotype
What moves DNA through the gel during gel electrophoresis? - ANSWER-Electricity
True or False: Focal plane decrease with increasing magnification? - ANSWER-
TRUE
The most ideal color of light for green leaves to absorb would be ?? while the least
ideal would be ?? - ANSWER-Red, Green
Most enzymes found in humans have an optimum temperature of what? - ANSWER-
20 C ~ 40 C
True or False: Tonicity is the measure of osmotic pressure. - ANSWER-TRUE
How many microliters are in a milliliter? - ANSWER-1,000 microliters = 1 milliliters
