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Biblioteka

DNA and the Cell Cycle Unit Assessment

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Pitanje 1
1.

First Name

Pitanje 2
2.

Last Name

Pitanje 3
3.

Class Period

Pitanje 4
4.

Put a box around the phase where DNA is replicated.

Pitanje 5
5.

Draw a line through all of the phases included in interphase.

Pitanje 6
6.

What is the cell doing during inerphase?

Pitanje 7
7.

Put a box around metaphase in the diagram.

Pitanje 8
8.

Explain in complete sentences what is occurring to the chromosomes during metaphase.

Pitanje 9
9.

Which scientist(s) are incorrectly matched with their contribution to understanding DNA?

In the question above, the scientist in A (Chargaff) is incorrectly matched with his contribution. Identify what he actually discovered or contributed to our understanding of DNA.

Pitanje 10
10.

Bacteria reproduce using what type of process?

In the question above, B is the correct answer choice. Why isn't A correct? Include in your answer a description of budding and an example of an organism that reproduces by that process.

Pitanje 11
11.

A chef cuts his finger while slicing tomatoes for the night’s signature recipe. Upon injury, the chef’s cells grow, develop, and divide in order to....

Scenario 1

Identify 3 reasons why cells divide. Also, discuss which reason(s) Scenario 1 relates to.

Pitanje 12
12.

A student has made a critical error in their cell cycle diagram. Explain what important event would happen during the missing phase.

**Make sure to include in your response the name of the missing phase and what happens during that phase.**

Pitanje 13
13.

If a parent cell begins mitosis with 46 chromosomes, how many chromosomes will be in each daughter cell at the end of mitosis? Write the number of chromosmes in each of the daughter cells.

Pitanje 14
14.

What size cube leads to the most effective transport of nutrients throughout the cell? i.e. has a greater volume to surface area ratio?

Pitanje 15
15.

What sequence of bases would be complementary to the model below?

Pitanje 16
16.

X outlines a(n) ___________.

Pitanje 17
17.

The diagram shows cells in different phases of mitosis. A student is trying to find a cell in a particular phase of mitosis. The student is looking for evidence that spindle fibers are separating the chromosomes to ensure that each new nucleus has one copy of each chromosomes.

In the question above B is the correct answer choice. Why is C not the correct answer? Include in your response, the name of the phase and what is happening.

Pitanje 18
18.

Using knowledge gained from Erwin Chargaff, answer the following:

In a sample of DNA , the percentage of adenine equals 31.5%. Therefore,

Pitanje 19
19.

Oncogenes are mutated forms of genes. Oncogenes can transform a cell into a tumor cell. Some tumor cells are benign, while others are malignant. How does the presence of an oncogene lead to the formation of a tumor?

Pitanje 20
20.

What process is being shown in the figure below?