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Biology Cumulative Exam Retake | 2026 Updated Comprehensive Practice Questions and Review Material

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This document contains a cumulative biology exam retake designed to support comprehensive revision of key biology concepts. It includes practice questions covering a wide range of topics such as cell biology, genetics, evolution, ecology, and human physiology. The material is structured to help students strengthen understanding across multiple units and prepare for final or retake assessments. It is suitable for exam review, remediation, and overall subject mastery.

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Bio Cumulative Exam Retake 94%
Study online at https://quizlet.com/_fv6eu4

1. A news article discussed a genetically engineered flu shot
medicine that is used to enhance the production of
antibodies that are used against disease. Which med-
icine can this article be about?
insulin
flu shot
penicillin
human growth hormone

2. Which of the following examples can cause gene flow bird droppings
between populations? that contain seeds
an increase in predators to a population of zebra from a different lo-
a volcanic eruption that kills half of a population of cation
mice
bird droppings that contain seeds from a different
location
a person that sprays a toxin on a group of mosquitoes

3. Which organisms are prokaryotes? archaea
archaea
fungi
protists
plants

4. Mitosis is divided into phases.Which phase of mitosis anaphase
is shown in the diagram?
anaphase
metaphase
telophase
prophase

5. Which is a component of the modern cell theory that All cells are simi-
was not part of the original cell theory? lar in composition
All organisms are made of cells. and metabolic ac-
All cells are similar in composition and metabolic tivities.
activities.
All cells come from preexisting cells.
A cell is the basic unit of structure and function for all
living things.


, Bio Cumulative Exam Retake 94%
Study online at https://quizlet.com/_fv6eu4

6. A Labrador retriever breeder needs to determine if Y-chromosome
three male pups who were born to Sadie, his black analysis
Labrador retriever, are the offspring of Sam, a yel-
low Labrador retriever from another breeder. Which
process could the breeder use to determine if Sam is
the father of the pups?
PCR analysis
STR analysis
mtDNA analysis
Y-chromosome analysis

7. Kai looks at a photo of herself with her parents. She Their DNA is made
notices that, while her features are similar to her of different codon
parents' features, they do not appear to be identi- sequences.
cal.Which explains why this is the case?
Their DNA is made of different codon sequences.
Their DNA is made of four different bases.
Kai inherited more proteins from one parent than the
other.
Kai inherited different amino acids from either of her
parents.

8. Which statement best describes the molecular struc- It is a complex,
ture of protein, along with one of the functions of folded chain that
proteins? helps regulate cell
It is a straight chain hydrocarbon that can help fight processes.
disease.
It is a complex, folded chain that helps regulate cell
processes.
It is a simple carbon, hydrogen, and oxygen molecule
that creates movement.
It is a chain of nucleotides, and forms muscle, bone,
and ligaments.

9. Mutations within an organism can occur in body cells germline mutation
or reproductive cells. Which type of mutation is seen
in a sperm cell but not in a skin cell?
somatic mutation
missense mutation

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