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Biology 101 Exam 2 Practice Test Guide Questions and Answers
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Biology 101 Exam 2 Practice Test Guide Questions and Answers
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Biology 101 Exam 2 Practice Test GuideQuestions and Answers
The volume enclosed by the plasma membrane of plant cells is often much larger than
the corresponding volume in animal cells. The most reasonable explanation for this
observation is that... - Answer-...plant cells contain a vacuole that reduces the volume of
the cytoplasm.
A cell with a predominance of free ribosomes... - Answer-...produces primarily
cytoplasmic proteins
Which type of organelle or structure is primarily involved in the synthesis of oils,
phospholipids, and steroids? - Answer-Smooth endoplasmic reticulum
Which of the following modifies glycoproteins that will be secreted from the cell? -
Answer-Golgi apparatus
In a plant cell, DNA may be found... - Answer-...in the nucleus, mitochondria, and
chloroplasts
The chemical reactions involved in respiration are virtually identical between prokaryotic
and eukaryotic cells. In eukaryotic cells, ATP is synthesized primarily on the inner
membrane of the mitochondria. In light of the endosymbiont theory for the evolutionary
origin of mitochondria where is most ATP synthesis likely to occur in prokaryotic cells? -
Answer-On the plasma membrane
Which of the following is a cellular structure consisting of 9 triplet microtubules? -
Answer-Centrioles
Cytochalasin D is a drug that prevents actin polymerization. A cell treated with
cytochalasin D will still be able to... - Answer-...extended pseudopodia
Ions can travel directly from the cytoplasm of one plant cell of the cytoplasm of an
adjacent cell through... - Answer-Plasmodesmata
Which of the following will allow a cell to have an optimal exchange of nutrients and
waste with the environment? - Answer-Having a surface area to volume ratio greater
than 1
Which is true? - Answer-The nuclear membrane contains pore complexes that regulate
the flow of molecules between the nucleus and the cytoplasm
A family of trans-membrane proteins that link the cytoskeleton and the extracellular
matrix are known as... - Answer-...integrins
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