Cell 201 - Midterm 3
Comprehensive Questions
with Verified Answers
Graded A+
1. A type of adhesive junction that is associated with the connection
between an epithelial cell and the basal lamina is the Answer:
Hemidesmosome
2. Collagens are associated with which of the following cellular junctions?
Answer: None
of the above
3. Focal contact is associated with what type of the following types of
cellular junction? Answer: Adhesive Junction
4. In animal cells, the extracellular matrix plays direct roles in the
following processes except Answer: DNA replication
5. Paracellular transport is associated with which of the following? Answer:
Tight junctions
6. Polarized cells are characterized by Answer: Distinct apical and basolateral sides
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5
, 7. Which of the following is false with regard to the extracellular matrix?
Answer: Extracel-
lular matrices are only found in association with eukaryotic cells
8. In the extracellular matrix of animal cells, collagen and elastin
fibers are embedded with this matrix. Answer: Proteoglycans
9. Which of the following cell junctions are associated with the proper
alignment of intestinal epithelial cells? Answer: All of the above
10. In performing research, you treat frog zygotes with antibodies
that bind E-cadherin. As a result, you expect Answer: The cells to be loosely
associated and abort development
11. Base sequence variations between individuals that result from
point muta- tions are called Answer: Single nucleotide polymorphisms
12. Interspersed repeat DNA Answer: Constitutes~50% of mammalian genomes
13. In the Sanger method of DNA sequencing, incorporation of the
nucleotides stops because Answer: The dideoxynucleotide analogs have no 3'-OH group to
continue DNA synthesis
14. The nuclear membrane functions as a Answer: All of the above
15. The specific field of study that examines the RNA products of a
genome is known as Answer: Transcriptomics
16. Which of the following is the correct order of the levels of DNA
packaging in eukaryotic chromosomes? Answer: Nucleosome ’chromatin fiber ’looped
domains ’heterochromatin
17. Which of the following terms is used to indicate the entire set
of protein molecules that can be made by a cell? Answer: Proteomics
2/
5
Comprehensive Questions
with Verified Answers
Graded A+
1. A type of adhesive junction that is associated with the connection
between an epithelial cell and the basal lamina is the Answer:
Hemidesmosome
2. Collagens are associated with which of the following cellular junctions?
Answer: None
of the above
3. Focal contact is associated with what type of the following types of
cellular junction? Answer: Adhesive Junction
4. In animal cells, the extracellular matrix plays direct roles in the
following processes except Answer: DNA replication
5. Paracellular transport is associated with which of the following? Answer:
Tight junctions
6. Polarized cells are characterized by Answer: Distinct apical and basolateral sides
1/
5
, 7. Which of the following is false with regard to the extracellular matrix?
Answer: Extracel-
lular matrices are only found in association with eukaryotic cells
8. In the extracellular matrix of animal cells, collagen and elastin
fibers are embedded with this matrix. Answer: Proteoglycans
9. Which of the following cell junctions are associated with the proper
alignment of intestinal epithelial cells? Answer: All of the above
10. In performing research, you treat frog zygotes with antibodies
that bind E-cadherin. As a result, you expect Answer: The cells to be loosely
associated and abort development
11. Base sequence variations between individuals that result from
point muta- tions are called Answer: Single nucleotide polymorphisms
12. Interspersed repeat DNA Answer: Constitutes~50% of mammalian genomes
13. In the Sanger method of DNA sequencing, incorporation of the
nucleotides stops because Answer: The dideoxynucleotide analogs have no 3'-OH group to
continue DNA synthesis
14. The nuclear membrane functions as a Answer: All of the above
15. The specific field of study that examines the RNA products of a
genome is known as Answer: Transcriptomics
16. Which of the following is the correct order of the levels of DNA
packaging in eukaryotic chromosomes? Answer: Nucleosome ’chromatin fiber ’looped
domains ’heterochromatin
17. Which of the following terms is used to indicate the entire set
of protein molecules that can be made by a cell? Answer: Proteomics
2/
5
