Graded Assignment

Unit Assessment, Part 2: Survey of Living Things 1

Complete this teacher-scored portion of the assessment and submit it to your teacher.

Total score: ____ of 15 points

(Score for Question 1: ___ of 5 points) 

1. How does taxonomy help us understand relationships among organisms on earth? What kinds of evidence do scientists use in taxonomy?

Answer:

Type your answer here.

(Score for Question 2: ___ of 5 points)

2. Discuss the importance of oxygen to all living organisms, and describe how three different organisms—human, flatworm, and fern—obtain the oxygen they need.

Answer:

Type your answer here.

(Score for Question 3: ___ of 5 points)

3. Discuss the three kinds of waste that humans must remove from their bodies, and explain why waste removal is important to living organisms.

Answer:

Type your answer here.

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Graded Assignment

Lab Report: Modeling DNA

Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.

Total score:

... of 10 points

(Score for Question 1: .

- of 2 points)

1. In your own words, describe the base-pairing rules in any DNA molecule.

Answer.

Type your answer here. Click or tap here to enter text.

Score for Question 2:

represents

of 4 points)

2. Draw a sketch of your completed DNA model. Label each material and the part of the DNA molecule it

Answer:

Type your answer here. Click or tap here to enter text.

iscore for Question 3:.

" of Z points)

3. Describe your DNA model. Which part do the straws represent? The pushpins? The paper clips and the black dots you made with the marker?

AnSwEr.

Type your answer here. Click or tap here to enter text.

iscore ror cuestion a'

.. OT Z DOINTS)

4. Observe the two strands of your model. Are they identical, or are they complementary? Explain your answer.

Answer:

Graded Assignment

Lab Report: Modeling DNA Replication

Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.

Total score: Click or tap here to enter text. of 10 points

(Score for Question 1 Click or tap here to enter text.: of 2 points)

1. In your own words, describe DNA replication.

Answer:

Type your answer here.Click or tap here to enter text.

(Score for Question 2: Click or tap here to enter text. of 2 points)

2. How does your original DNA molecule compare with the replicated molecule?

Answer:

Type your answer here.Click or tap here to enter text.

(Score for Question 3 Click or tap here to enter text.: of 2 points)

3. Write a sentence that relates your model to processes that take place inside your own cells. Your answer should include some form of the terms mitosis, nucleus, and cell division.

Answer:

Type your answer here.Click or tap here to enter text.

(Score for Question 4: Click or tap here to enter text. of 2 points)

4. Describe two roles that enzymes play in DNA replication.

Answer:

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(Score for Question 5: Click or tap here to enter text. of 2 points)

5. Draw a sketch of your molecule during replication. Make sure you label the replication fork, parent strand, daughter strand, and beginning of replication.

Answer:

Type your answer here.Click or tap here to enter text.