RED HESI COMPREHENSIVE QUESTIONS
AND SOLUTIONS
◉ Why is yeast used to make bread rise?
Answer: Yeast carries out fermentation, producing ethanol and
carbon dioxide
◉ How is mitosis different from meiosis?
Answer: Meiosis creates sex cells with half the # of chromosomes
of the parent cell where as mitosis creates cells that are exact
copies of each other, down to the number of chromosomes
◉ What can be altered?
Answer: DNA
◉ What is single stranded?
Answer: RNA
◉ What contains uracil?
Answer: RNA
◉ What codes for proteins?
, Answer: DNA
◉ Imagine that two parents both carry the recessive gene for
cystic fibrosis. Any homozygous recessive offspring will manifest
the disease. What percentage of the offspring is predicted to be
carriers but not manifest the disease?
Answer: 50 percent
◉ A cell is in a solution in which the concentration of solutes is
higher inside the cell than outside the cell. What would you expect
to happen to the cell?
Answer: It will swell and probably burst/hypotonic situation
◉ What is the purpose of phloem tissue in plant stems?
Answer: It conducts food throughout the plant, it is the system of
narrow tubes that transports sugars and other nutrients
◉ Physical factors such as temperature and pH can alter enzyme
activity because they have an effect on the enzyme's
Answer: Shape, the shape of an enzyme controls it's fit with its
substrate.
◉ Which part of a plants reproductive system is of a different
gender than others?
Answer: Stamen (male reproductive organ)
AND SOLUTIONS
◉ Why is yeast used to make bread rise?
Answer: Yeast carries out fermentation, producing ethanol and
carbon dioxide
◉ How is mitosis different from meiosis?
Answer: Meiosis creates sex cells with half the # of chromosomes
of the parent cell where as mitosis creates cells that are exact
copies of each other, down to the number of chromosomes
◉ What can be altered?
Answer: DNA
◉ What is single stranded?
Answer: RNA
◉ What contains uracil?
Answer: RNA
◉ What codes for proteins?
, Answer: DNA
◉ Imagine that two parents both carry the recessive gene for
cystic fibrosis. Any homozygous recessive offspring will manifest
the disease. What percentage of the offspring is predicted to be
carriers but not manifest the disease?
Answer: 50 percent
◉ A cell is in a solution in which the concentration of solutes is
higher inside the cell than outside the cell. What would you expect
to happen to the cell?
Answer: It will swell and probably burst/hypotonic situation
◉ What is the purpose of phloem tissue in plant stems?
Answer: It conducts food throughout the plant, it is the system of
narrow tubes that transports sugars and other nutrients
◉ Physical factors such as temperature and pH can alter enzyme
activity because they have an effect on the enzyme's
Answer: Shape, the shape of an enzyme controls it's fit with its
substrate.
◉ Which part of a plants reproductive system is of a different
gender than others?
Answer: Stamen (male reproductive organ)
