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Question

1)Gene X expression results in Protein X expression. Protein X is

responsible for preventing the cell cycle from progressing unless the spindle is properly attached to chromosomes. Gene X would be considered what?
a)Oncogene
b)Tumor Suppressor
c)Proto oncogene
d)Kinase


2)Which of the following is true regarding regulation of the cell cycle?
a)Healthy cells will not proliferate readily if they are not anchored to a matrix
b)Healthy cells will proliferate in the presence of a growth factor regardless of the space available
c)Cyclin dependent kinase activity is consistent throughout the entire cell cycle
d)Cyclin expression is consistent throughout the entire the cell cycle


3)What is the relationship between surface area and absorption?
a)A high surface area results in high absorption
b)A high absorption rate results in a high surface area
c)A high absorption rate results in a low surface area
d)A high surface area results in low absorption


4)How is water pulled from the roots to the leaves?
a)Active Transport pumps use ATP to push the water upward
b)The need for water in the chloroplasts drives water uptake in the leaves
c)The cohesive and adhesive nature of water reacts to the upward pull from evaporation at the stomata
d)As sugars are made in the source cells, water is pulled upward because the leaves are hypertonic.


5)Which kind of transport is used to move sugars from the phloem to the sink cells in roots
a)osmosis
b)Active transport of the solute through a pump (not a channel) specific to the solute
c)passive transport
d)secondary transport

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Subject: Biology, Science

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