HESI A2 Biology Exam Study Guide i,- i,- i,- i,- i,- i,-
with complete solutions | Latest i,- i,- i,- i,- i,-
2025/2026 Update. i,-
A mature haploid cell able to unite with another sexual
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
reproduction to form a zygote is what? Gamete i,- i,- i,- i,- i,- i,- i,-i,- i,-
Which of the macromolecule is genetic code carried on?
i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,-
Nucleotides (DNA) i,-
What part of a light microscope is the slide placed?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- Stage
If a gamete came from a diploid cell that had 46 chromosomes,
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
How many chromosomes does it have
i,- 23 i,- i,- i,- i,- i,-i,- i,-
What is the structure critical to cellular motility?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- Cytoskeleton
Replication takes place in what organelle? i,- i,- i,- i,- i,- i,-i,- i,- nucleus
The purpose of the flagellum is
i,- i,- i,- i,- i,- i,-i,- i,- propulsion
,Genetics is the study of what? i,- i,- i,- i,- i,- i,-i,- i,- heredity
What are the levels of organization?
i,- i,- i,- i,- i,- i,-i,- i,- cell, tissue, organ, organ
i,- i,- i,- i,-
system, organism i,-
which of the following is not a nitrogenous base found in DNA
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,-
Uracil ( only Adenine - Thymine and Cytosine-Guanine are a
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
nitrogenous base found in DNA ) i,- i,- i,- i,- i,-
_______ Transport does not require energy output
i,- i,- i,- i,- i,- i,- i,-i,- i,- Passive i,-
Transport
Classification System i,- i,-i,- i,- Kingdom, Phylum, Class, Order, Family, i,- i,- i,- i,- i,-
Genus, Species i,-
(King Phillip Came Over For Great Spaghetti)
i,- i,- i,- i,- i,- i,-
What are the steps to the scientific method?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- observation, i,-
hypothesis, experiment, conclusion i,- i,-
, Hypothesis a supposition or proposed explanation made on i,-i,- i,- i,- i,- i,- i,- i,- i,- i,-
the basis of limited evidence as a starting point for further
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
investigation.
Chemical Makeup of Water i,- i,- i,- i,-i,- i,- 2 hydrogens covalently bonded
i,- i,- i,- i,-
to an oxygen
i,- i,-
Properties of Water Because of high polarity between bonds,
i,- i,- i,-i,- i,- i,- i,- i,- i,- i,- i,-
water can form H bonds: i,- i,- i,- i,-
-has a high specific heat
i,- i,- i,- i,-
-strong adhesion and cohesive properties
i,- i,- i,- i,-
-when frozen, forms a lattice crystal allowing ice to float on water
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
-acts as a universal solvent
i,- i,- i,- i,-
Where is the cell replicated at?
i,- i,- i,- i,- i,- i,-i,- i,- cytoplasm
What is the highest level of magnification on a scope?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- 10X
Animal cells have what?? i,- i,- i,- i,-i,- i,- Eukaryotic cells i,-
The Mitochondria is considered the powerhouse of cells
i,- i,- i,- i,- i,- i,- i,- i,-
because... It makes ATP i,-i,- i,- i,- i,-
with complete solutions | Latest i,- i,- i,- i,- i,-
2025/2026 Update. i,-
A mature haploid cell able to unite with another sexual
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
reproduction to form a zygote is what? Gamete i,- i,- i,- i,- i,- i,- i,-i,- i,-
Which of the macromolecule is genetic code carried on?
i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,-
Nucleotides (DNA) i,-
What part of a light microscope is the slide placed?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- Stage
If a gamete came from a diploid cell that had 46 chromosomes,
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
How many chromosomes does it have
i,- 23 i,- i,- i,- i,- i,-i,- i,-
What is the structure critical to cellular motility?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- Cytoskeleton
Replication takes place in what organelle? i,- i,- i,- i,- i,- i,-i,- i,- nucleus
The purpose of the flagellum is
i,- i,- i,- i,- i,- i,-i,- i,- propulsion
,Genetics is the study of what? i,- i,- i,- i,- i,- i,-i,- i,- heredity
What are the levels of organization?
i,- i,- i,- i,- i,- i,-i,- i,- cell, tissue, organ, organ
i,- i,- i,- i,-
system, organism i,-
which of the following is not a nitrogenous base found in DNA
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,-
Uracil ( only Adenine - Thymine and Cytosine-Guanine are a
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
nitrogenous base found in DNA ) i,- i,- i,- i,- i,-
_______ Transport does not require energy output
i,- i,- i,- i,- i,- i,- i,-i,- i,- Passive i,-
Transport
Classification System i,- i,-i,- i,- Kingdom, Phylum, Class, Order, Family, i,- i,- i,- i,- i,-
Genus, Species i,-
(King Phillip Came Over For Great Spaghetti)
i,- i,- i,- i,- i,- i,-
What are the steps to the scientific method?
i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- observation, i,-
hypothesis, experiment, conclusion i,- i,-
, Hypothesis a supposition or proposed explanation made on i,-i,- i,- i,- i,- i,- i,- i,- i,- i,-
the basis of limited evidence as a starting point for further
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
investigation.
Chemical Makeup of Water i,- i,- i,- i,-i,- i,- 2 hydrogens covalently bonded
i,- i,- i,- i,-
to an oxygen
i,- i,-
Properties of Water Because of high polarity between bonds,
i,- i,- i,-i,- i,- i,- i,- i,- i,- i,- i,-
water can form H bonds: i,- i,- i,- i,-
-has a high specific heat
i,- i,- i,- i,-
-strong adhesion and cohesive properties
i,- i,- i,- i,-
-when frozen, forms a lattice crystal allowing ice to float on water
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-
-acts as a universal solvent
i,- i,- i,- i,-
Where is the cell replicated at?
i,- i,- i,- i,- i,- i,-i,- i,- cytoplasm
What is the highest level of magnification on a scope?
i,- i,- i,- i,- i,- i,- i,- i,- i,- i,-i,- i,- 10X
Animal cells have what?? i,- i,- i,- i,-i,- i,- Eukaryotic cells i,-
The Mitochondria is considered the powerhouse of cells
i,- i,- i,- i,- i,- i,- i,- i,-
because... It makes ATP i,-i,- i,- i,- i,-
