Hesi A2 biology practice Question With
Answers
Which organelle would you expect to be present in a cell responsible for detoxifying
multiple molecules? - CORRECT ANSWER-Smooth endoplasmic recticulum
A cell from the heart muscle would more than likely contain an unusually high proportion
of: - CORRECT ANSWER-Mitochondria
What part of cell respiration produces the greatest amount of atp? - CORRECT
ANSWER-Electron transport chain
When plants do not receive enough water their photosynthesis rate drops. This is
because: - CORRECT ANSWER-Water is a raw material for the light reactions in
photosynthesis
What is true about Krebs cycle and Calvin cycle? - CORRECT ANSWER-Both result in
net production of ATP and NADH
Why is it important for cells to undergo mitosis? - CORRECT ANSWER-Mitosis
produces cells for growth and repair of body tissues
72 chromosomes undergo meiosis, how many chromosomes will be in each gamete? -
CORRECT ANSWER-36
Which of the following shows how information is transformed to make a protein? -
CORRECT ANSWER-DNA-RNA-protein
What is the purpose of Pholem tissue in plant stems? - CORRECT ANSWER-It
conducts energy of light to leaves
Physical factors such as temperature and physiology can alter enzyme activity because
they have an effect on the enzymes.. - CORRECT ANSWER-Shape
What part of a plants reproductive system is a different "gender" than all of the others? -
CORRECT ANSWER-Stamen
Beeswax is an example of what kind of molecule? - CORRECT ANSWER-Lipid
What takes place in a lysosomes? - CORRECT ANSWER-Food is digested
Which organism reproduces via binary fission? - CORRECT ANSWER-Salmonella
, In which phase of cell division do chromosomes replicate? - CORRECT ANSWER-
Interphase
What is this formula?
6CO2 + 6H20 --> C6H12O6 + 6O2 - CORRECT ANSWER-Photosynthesis
Which statement regarding energy content is true? - CORRECT ANSWER-Producers >
secondary consumers
Why do we perceive chlorophyll as green? - CORRECT ANSWER-It fails to absorb
green light
Why are bacteria and blue-green algae often classified together? - CORRECT
ANSWER-Both are prokaryotes
Which of these molecules contains glucose? - CORRECT ANSWER-Carbohydrates
What happens to glucose during glycolysis - CORRECT ANSWER-It splits into
molecules of pyruvic acid
What process do cells in the tip of a plants root undergo to increase in number? -
CORRECT ANSWER-Mitosis
How do rna and DNA derive their names? - CORRECT ANSWER-From the sugar each
contains
If bacteria are placed in a strong solution of salt water they will shrink as water moves
out of the bacteria. What is this process called? - CORRECT ANSWER-Osmosis
Which animal has an open transport system? - CORRECT ANSWER-Grasshopper
How does an enzyme work on a chemical reaction that occurs in a substrate? -
CORRECT ANSWER-An enzyme speeds up chemical reactions
Where is the ovary located in a flowering plant? - CORRECT ANSWER-Pistil
Which molecules only contain carbon, hydrogen, and oxygen? - CORRECT ANSWER-
Carbohydrates and lipids
Which structure is found in Protists but not in monerans? - CORRECT ANSWER-Golgi
apparatus
How does yeast reproduce? - CORRECT ANSWER-Budding
Answers
Which organelle would you expect to be present in a cell responsible for detoxifying
multiple molecules? - CORRECT ANSWER-Smooth endoplasmic recticulum
A cell from the heart muscle would more than likely contain an unusually high proportion
of: - CORRECT ANSWER-Mitochondria
What part of cell respiration produces the greatest amount of atp? - CORRECT
ANSWER-Electron transport chain
When plants do not receive enough water their photosynthesis rate drops. This is
because: - CORRECT ANSWER-Water is a raw material for the light reactions in
photosynthesis
What is true about Krebs cycle and Calvin cycle? - CORRECT ANSWER-Both result in
net production of ATP and NADH
Why is it important for cells to undergo mitosis? - CORRECT ANSWER-Mitosis
produces cells for growth and repair of body tissues
72 chromosomes undergo meiosis, how many chromosomes will be in each gamete? -
CORRECT ANSWER-36
Which of the following shows how information is transformed to make a protein? -
CORRECT ANSWER-DNA-RNA-protein
What is the purpose of Pholem tissue in plant stems? - CORRECT ANSWER-It
conducts energy of light to leaves
Physical factors such as temperature and physiology can alter enzyme activity because
they have an effect on the enzymes.. - CORRECT ANSWER-Shape
What part of a plants reproductive system is a different "gender" than all of the others? -
CORRECT ANSWER-Stamen
Beeswax is an example of what kind of molecule? - CORRECT ANSWER-Lipid
What takes place in a lysosomes? - CORRECT ANSWER-Food is digested
Which organism reproduces via binary fission? - CORRECT ANSWER-Salmonella
, In which phase of cell division do chromosomes replicate? - CORRECT ANSWER-
Interphase
What is this formula?
6CO2 + 6H20 --> C6H12O6 + 6O2 - CORRECT ANSWER-Photosynthesis
Which statement regarding energy content is true? - CORRECT ANSWER-Producers >
secondary consumers
Why do we perceive chlorophyll as green? - CORRECT ANSWER-It fails to absorb
green light
Why are bacteria and blue-green algae often classified together? - CORRECT
ANSWER-Both are prokaryotes
Which of these molecules contains glucose? - CORRECT ANSWER-Carbohydrates
What happens to glucose during glycolysis - CORRECT ANSWER-It splits into
molecules of pyruvic acid
What process do cells in the tip of a plants root undergo to increase in number? -
CORRECT ANSWER-Mitosis
How do rna and DNA derive their names? - CORRECT ANSWER-From the sugar each
contains
If bacteria are placed in a strong solution of salt water they will shrink as water moves
out of the bacteria. What is this process called? - CORRECT ANSWER-Osmosis
Which animal has an open transport system? - CORRECT ANSWER-Grasshopper
How does an enzyme work on a chemical reaction that occurs in a substrate? -
CORRECT ANSWER-An enzyme speeds up chemical reactions
Where is the ovary located in a flowering plant? - CORRECT ANSWER-Pistil
Which molecules only contain carbon, hydrogen, and oxygen? - CORRECT ANSWER-
Carbohydrates and lipids
Which structure is found in Protists but not in monerans? - CORRECT ANSWER-Golgi
apparatus
How does yeast reproduce? - CORRECT ANSWER-Budding
