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HESI A2 Biology Exam Questions and Answers – 100% Pass Guaranteed

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If you’re preparing for the HESI A2 Biology section, don’t waste your time with vague notes or random YouTube videos. This exam pack gives you everything you need to pass with confidence — fast, accurate, and fully aligned with the real HESI A2 format. Inside, you’ll find realistic HESI-style biology questions paired with 100% correct answers and explanations, so you’re not just memorizing — you’re actually understanding what’s being tested.

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HESI A2 BIOLOGY EXAM QUESTIONS
AND ANSWERS 100% PASS
GUARANTEED
What type of bond forms between base pairs in DNA?



hydrophobic

hydrogen

phosphodiester

glycosidic

hydrogen




Transcription takes place:



in the nucleus

in the endoplasmic reticulum

in the cytoplasm

in the vacuole

in the nucleus




Which of the following correctly represents a heterozygous individual?



Hh

hH

hh

HH

Hh

, What are alleles?



different variants of the same genes

segments of DNA containing codes for specific functions in the body

cells that have a double set of chromosomes

the genetic composition of a living organism

different variants of the same genes




In the hierarchic system of classification, which of the following is most inclusive?



Phylum

Order

Species

Genus

Phylum




Which of the following best describes why polarity is the most important characteristic of water?



The benefits of polarity are hydrogen bonding, a high specific heat value, weak cohesive and adhesive
properties, and its versatility as a solvent.

The benefits of polarity are covalent bonding, a high specific heat value, strong cohesive and adhesive
properties, and its versatility as a solvent.

The benefits of polarity are hydrogen bonding, a low specific heat value, strong cohesive and adhesive
properties, and its versatility as a solvent.

The benefits of polarity are hydrogen bonding, a high specific heat value, strong cohesive and adhesive
properties, and its versatility as a solvent.

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