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Cell Growth and Division Exam Questions| Already answered| GRADED A+
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True or False. As a cell's size increases, its amount of DNA also increase. - ANSWER-False. As a cell's size increases, its amount of DNA stays the same True or False. The amount of activity in a cell is related to its volume. - ANSWER-True True or False. The smaller the cell, the smaller its ra...

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  • August 23, 2024
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  • 2024/2025
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Cell Growth and Division Exam Questions|
Already answered| GRADED A+
True or False. As a cell's size increases, its amount of DNA also increase. - ANSWER-False. As a cell's size
increases, its amount of DNA stays the same



True or False. The amount of activity in a cell is related to its volume. - ANSWER-True



True or False. The smaller the cell, the smaller its ratio of surface area to volume. - ANSWER-False. The
smaller the cell, the larger its ratio of surface area to volume



True or False. The information crisis in a cell is solved by the replication of DNA before cell division. -
ANSWER-True



In the visual analogy of the growing town, what does the library represent? Identify two characteristics
that make it a good choice for this analogy. - ANSWER-The library represents the cell's DNA. It is a good
choice because a library contains information and typically there is only one per small town.



____ is the formation of new individuals. - ANSWER-Reproduction



For single-celled organisms, cell division is a form of _____ reproduction. - ANSWER-asexual



Most multicellular organisms reproduce by ____ reproduction. - ANSWER-sexual



Similarities between Asexual and Sexual Reproduction - ANSWER-Both produce new organisms. Both
involve the transfer of genetic material from parent to offspring.



Differences between Asexual and Sexual Reproduction - ANSWER-The offspring of asexual reproduction
are genetically identical to their parents. The offspring of sexual reproduction have some genetic
information from each parent. In asexual reproduction, cells separate to form a new individual. In sexual
reproduction, two cells fuse.

, Vascular tissue helps plants transport water against the force of gravity. Because of this, plants lack
vascular tissue do not grow very tall. How is this situation similar to the information you have learned in
this lesson. Explain. - ANSWER-Plants that lack vascular tissue cannot grow very tall because they cannot
transport water very far. A cell cannot grow very large because if it did, it would be unable to transport
needed materials into the cell and transport wastes out.



What are the two main reasons cell divide and why? - ANSWER--Information overload: The larger the
cell gets, the more demands it places on the DNA. Eventually, the cell's DNA cannot meet the cell's need.

-Exchange of materials: Cells take in nutrients and eliminate wastes through the cell membrane. The
larger a cell's volume, the more materials it needs to function and the more waste it creates. A cell's
volume increases at a faster rate than its surface area. As a cell grows, its surface-area-to-volume ratio
becomes too small. The larger a cell gets, the harder it is for enough materials to move across its cell
membrane.



What solves the information overload and materials exchange problems? - ANSWER-Cell Division



What 3 things does asexual reproduction do? - ANSWER-Produces genetically identical organisms,
occurs in many single-celled organisms and in some multicellular organisms, and allows rapid
reproduction of organisms in favorable environments.



What 3 things does sexual reproduction do? - ANSWER-Produces organisms with genetic information
from both parents, occurs in most animals and plants and in many single-celled organisms, and increases
in genetic diversity, which aids species survival in changing environments.



Packages of DNA called ____ hold a cell's genetic information - ANSWER-chromosomes



_____ chromosomes consist of a single, circular strand of DNA - ANSWER-prokaryotic



____ chromosomes are highly organized structures - ANSWER-eurkaryotic



The DNA winds around the histone proteins, forming _____ - ANSWER-chromatin



Chromosomes make the precise separation of ___ possible during cell division - ANSWER-DNA

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