HESI A2 BIOLOGY UPDATED 2026 COMPLETE
QUESTIONS AND VERIFIED CORRECT
ANSWERS GRADED A+ GUARANTEED 100%
PASS
How do green plants use nitrates in the nitrogen cycle? - ANSWER-To synthesize
proteins. A nitrate is a nitrogen containing material found in soil. Green plants take in
nitrates through their roots and use them to make amino acids, the building blocks of
proteins
Which color of light is least effective at driving photosynthesis? - ANSWER-Green
Which might be described as a core of nucleic acid surrounded by a protein coat? -
ANSWER-Virus
In contrast to triglycerides phospholipids are lacking what component ? - ANSWER-
Fatty acid
Which phase is the phase where DNA is replicated? - ANSWER-S Phase
What is the growth phase? - ANSWER-G 1
What is the second growth phase where division occurs? - ANSWER-G2
The scientific name for a house cat is Felis catus. This indicates the house cats what? -
ANSWER-Genus; species
Kingdom/animalia
Phylum/Chordata
Class/mammalia
Order/carnivora
Family/felidae
Genus/ Felis
Species/catus
Beeswax is an example of what kind of molecule? - ANSWER-Lipid, waxes oils and
fats are lipids
, What takes place in a lysosome? - ANSWER-Food is digested, the lysosome contains
digestive enzymes. The job of a lysosome is to digest food for cells and break down
cells waste products
Which organism reproduces via binary fission? - ANSWER-Salmonella
In which phase of cell division do the chromosomes replicate? - ANSWER-Interphase-
active phase of a cells reproductive life, the cell produces nucleic acids and proteins
and doubled its # of chromosomes
In a strand of DNA, you would expect to see adenine paired with? - ANSWER-
Thymine/adenine
Cytosine/guanine
Hemophilia is a sex linked trait carried on the X chromosome. In an example of a male
with hemophilia and a female carrier, what ratio of the offspring is predicted to have the
disease? - ANSWER-1 female: 0 male
What is represented by this formula 6CO2+6H2O=>C6H12O6+6O2 - ANSWER-
Photosynthesis, carbon dioxide pairing with water to form a simple sugar and oxygen
3 students measured the mass of a product of combustion. They recorded
measurements of 5.14g 5.16g and 5.17g if the known mass of the product is 5.30g how
would you describe the students measurements? - ANSWER-Precise
What is the energy pyramid? - ANSWER-Producers>primary consumers>secondary
consumers>decomposers
Which is not a step in the water cycle? - ANSWER-Nitrification(nitrogen cycle)
Steps
Condensation(gas to liquid)
Transpiration(loss of water through a plants stomata)
Absorption(intake of water from the water table by plant roots)
Why do we perceive chlorophyll as green? - ANSWER-It fails to absorb green light
Absorbs red and blue reflects green
Why are bacteria and blue green algae often classified together? - ANSWER-Both are
prokaryotes have no true nucleus
Which molecule contains glucose? - ANSWER-Carbohydrates
Simple carbohydrates are simple sugars, complex carbohydrates are simple sugars
linked with covalent bonds
QUESTIONS AND VERIFIED CORRECT
ANSWERS GRADED A+ GUARANTEED 100%
PASS
How do green plants use nitrates in the nitrogen cycle? - ANSWER-To synthesize
proteins. A nitrate is a nitrogen containing material found in soil. Green plants take in
nitrates through their roots and use them to make amino acids, the building blocks of
proteins
Which color of light is least effective at driving photosynthesis? - ANSWER-Green
Which might be described as a core of nucleic acid surrounded by a protein coat? -
ANSWER-Virus
In contrast to triglycerides phospholipids are lacking what component ? - ANSWER-
Fatty acid
Which phase is the phase where DNA is replicated? - ANSWER-S Phase
What is the growth phase? - ANSWER-G 1
What is the second growth phase where division occurs? - ANSWER-G2
The scientific name for a house cat is Felis catus. This indicates the house cats what? -
ANSWER-Genus; species
Kingdom/animalia
Phylum/Chordata
Class/mammalia
Order/carnivora
Family/felidae
Genus/ Felis
Species/catus
Beeswax is an example of what kind of molecule? - ANSWER-Lipid, waxes oils and
fats are lipids
, What takes place in a lysosome? - ANSWER-Food is digested, the lysosome contains
digestive enzymes. The job of a lysosome is to digest food for cells and break down
cells waste products
Which organism reproduces via binary fission? - ANSWER-Salmonella
In which phase of cell division do the chromosomes replicate? - ANSWER-Interphase-
active phase of a cells reproductive life, the cell produces nucleic acids and proteins
and doubled its # of chromosomes
In a strand of DNA, you would expect to see adenine paired with? - ANSWER-
Thymine/adenine
Cytosine/guanine
Hemophilia is a sex linked trait carried on the X chromosome. In an example of a male
with hemophilia and a female carrier, what ratio of the offspring is predicted to have the
disease? - ANSWER-1 female: 0 male
What is represented by this formula 6CO2+6H2O=>C6H12O6+6O2 - ANSWER-
Photosynthesis, carbon dioxide pairing with water to form a simple sugar and oxygen
3 students measured the mass of a product of combustion. They recorded
measurements of 5.14g 5.16g and 5.17g if the known mass of the product is 5.30g how
would you describe the students measurements? - ANSWER-Precise
What is the energy pyramid? - ANSWER-Producers>primary consumers>secondary
consumers>decomposers
Which is not a step in the water cycle? - ANSWER-Nitrification(nitrogen cycle)
Steps
Condensation(gas to liquid)
Transpiration(loss of water through a plants stomata)
Absorption(intake of water from the water table by plant roots)
Why do we perceive chlorophyll as green? - ANSWER-It fails to absorb green light
Absorbs red and blue reflects green
Why are bacteria and blue green algae often classified together? - ANSWER-Both are
prokaryotes have no true nucleus
Which molecule contains glucose? - ANSWER-Carbohydrates
Simple carbohydrates are simple sugars, complex carbohydrates are simple sugars
linked with covalent bonds
