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Biology Cumulative Exam Review Questions and Answers Latest Update 2025
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Biology Cumulative Exam Review Questions and Answers Latest Update 2025
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Biology Cumulative Exam Review Questions andAnswers Latest Update 2025
Which statement best describes the overall change that occurs as a result of mitosis? -
✔✔One cell becomes two cells that have identical copies of DNA.
Which microscope uses a probe to map atoms on the surface of a specimen? - ✔✔scanning
tunneling microscope
Water exits the leaves of plants and enters the atmosphere. What is this process called? -
✔✔transpiration
Which does not occur during translation? - ✔✔DNA is transcribed into a complementary
strand of mRNA.
This picture shows the United States Arctic National Wildlife Refuge, a large portion of Alaska
that is protected from human activities that would affect living things in the area as well as
nonliving resources that support living things. Even though oil and other resources in the area
could be collected and sold by humans to increase American wealth, construction is prohibited
in the area.
mc025-1.jpg
The most complex level of organizational hierarchy in the Arctic National Wildlife Refuge that is
preserved is - ✔✔every ecosystem in the area.
Which shows the levels of organizational hierarchy listed from least complex to most complex?
- ✔✔population, community, ecosystem
, Read the following information from a Material Safety Data Sheet (MSDS) about the chemical
hydrochloric acid (HCl).
"Skin Contact: In case of contact, immediately flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Thoroughly clean shoes before reuse. Get medical attention immediately."
Based on this information, which is the most important thing to do right away if a student spills
HCl on his shirt? - ✔✔Remove the shirt and rinse the skin with water in case the HCl soaked
through.
A lab experiment to determine the rate of ATP production and its use in plants is conducted. In
the lab, twenty circles cut from plant leaves are placed in a container of water with a light
source, which allows photosynthesis to occur. When the rate of ATP production exceeds the
ATP use, oxygen is given off by the plant cells, causing the leaf circles to float.
mc025-1.jpg
Using the graph of data from this experiment, at which point was the light source most likely
removed? - ✔✔C
Which component is affected when a catalyst is added to a chemical reaction? - ✔✔the
activation energy
A DNA strand has the sequence ATCGGC. Which is the complementary strand of DNA? -
✔✔TAGCCG
Which blood type could be given as a transfusion for patient with AB blood when the RH factor
is unknown? - ✔✔AB-
A relationship in which one organisms benefits while the other is not harmed but does not
benefit either is called - ✔✔commensalism.
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