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CUMULATIVE ACTUAL RETAKE EXAM 2024
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A news article discussed a genetically engineered medicine that is used to
enhance the production of antibodies that are used against disease. Which
medicine can this article be about?
insulin
flu shot
penicillin
human growth hormone - ANSWERflu shot
Which of the following examples can cause gene flow between populations?
an increase in predators to a population of zebra
a volcanic eruption that kills half of a population of mice
bird droppings that contain seeds from a different location
a person that sprays a toxin on a group of mosquitoes - ANSWERbird droppings
that contain seeds from a different location
Which organisms are prokaryotes?
archaea
fungi
protists
plants - ANSWERarchaea
Mitosis is divided into phases.Which phase of mitosis is shown in the diagram?
anaphase
metaphase
telophase
prophase - ANSWERanaphase
Which is a component of the modern cell theory that was not part of the original
cell theory?
All organisms are made of cells.
All cells are similar in composition and metabolic activities.
, All cells come from preexisting cells.
A cell is the basic unit of structure and function for all living things. - ANSWERAll
cells are similar in composition and metabolic activities.
A Labrador retriever breeder needs to determine if three male pups who were
born to Sadie, his black Labrador retriever, are the offspring of Sam, a yellow
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 - ANSWERY-chromosome analysis
Kai looks at a photo of herself with her parents. She notices that, while her
features are similar to her parents' features, they do not appear to be
identical.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. - ANSWERTheir
DNA is made of different codon sequences.
Which statement best describes the molecular structure of protein, along with
one of the functions of proteins?
It is a straight chain hydrocarbon that can help fight 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. - ANSWERIt
is a complex, folded chain that helps regulate cell processes.
Mutations within an organism can occur in body cells or reproductive cells.
Which type of mutation is seen in a sperm cell but not in a skin cell?
somatic mutation
missense mutation
nonsense mutation
germline mutation - ANSWERgermline mutation
Which statement best describes how Watson and Crick's model used other
scientists' work to create a model of DNA?
They used Chargaff's rule to determine that it contains ribose sugar.
They used Franklin's photo to determine that DNA was a double helix.
They used Levene's work to determine the number of base pairs in each strand.
They used Nirenberg and Matthei's studies to determine that DNA is made of
nucleotides. - ANSWERThey used Franklin's photo to determine that DNA was a
double helix.
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