Welcome!The Topic For Today Is….

Quarter 1 Midterm!

Your TopicCell Organelles DNA Cell Cycle What is

Science?Mystery?!?!?!

200 200 200 200 200

400 400 400 400 400

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1000 1000 1000 1000 1000

Bonus Question: 5000 pts

Topic 1: 200• Question:• Where can you find the cytoplasm?• Answer• Between the nucleolus and cell membrane.

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Topic 1: 400• Question:• What organelle cleans up the cell?• Answer• lysosomes

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Topic 1: 600• Question:• What does a vacuole do?• Answer• Acts as the storage center for the cell

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Topic 1: 800• Question:• What does the nucleolus do for the cell?• Answer• Produces Ribosomes

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Topic 1: 1000• Question:• Which organelle is the genetic information for

the cell? (think carefully) • Answer• Chromatin

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Topic 2: 200• Question:• What do chromosomes consist of?• Answer• Tightly coiled DNA

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Topic 2: 400• Question:• Who took the first photograph of DNA?• Answer• Rosalind Franklin

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Topic 2: 600• Question:• What makes up each rung of the DNA ladder?• Answer• A pair of nitrogen bases

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Topic 2: 800• Question:• Guanine pairs with what base?• Answer• Cytosine

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Topic 2: 1000• Question:• What is the actual name for DNA?• Answer• Deoxyribonucleic acid.

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Topic 3: 200• Question:• How many phases are there in Mitosis?• Answer• 4

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Topic 3: 400• Question:• The first phase in the cell cycle is what?• Answer• Interphase

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Topic 3: 600• Question:• During Metaphase, what are lined up in along

the center of the cell?• Answer• Chromosomes

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Topic 3: 800• Question:• What is one thing that happens during

Prophase?• Answer• Nuclear envelope dissolves, spindle fibers

form, chromatin condenses to form chromosomes.

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Topic 3: 1000• Question:• What happens during Cytokinesis?• Answer• The cell splits into two new daughter cells

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Topic 4: 200• Question:• What was the number one reason cells were

discovered?• Answer• Microscopes

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Topic 4: 400• Question: What is the DV?• If the SPF factor of sun block is

higher, then it takes longer to get sunburned, because the sun block filters out more UV rays

• Answer:• Time it takes to get sunburned.

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Topic 4: 600• Question:• Observations that deal with a number are?• Answer• Quantitative

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Topic 4: 800• Question:• Making a forecast of what will happen in the

future is called?• Answer• Predicting

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Topic 4: 1000• Question: What is the IV?• If students spend more time per week instant

messaging, then they will have lower GPAs than students who spend less time instant messaging, because the time spent instant messaging will reduce the amount of time spent studying.

• Answer• Time spent messaging

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Topic 5: 200• Question:• What are the basic units of living things?• Answer• Cells

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Topic 5: 400• Question:• Draw what happens to your chromosomes

during Anaphase.• Answer• They break apart and are pulled toward each

centriole by the spindle fibers.

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Topic 5: 600• Question:• Write out a section of DNA that would pair

with: ATACCGA• Answer• TATGGCT

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Topic 5: 800• Question:• Draw DNA replication• Answer

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Topic 5: 1000• Question:• What phase of the cell cycle takes the longest?• Answer• Interphase

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Bonus Question: 5000 pts.

• Question:• Describe DNA Replication.• Answer• The DNA strand unwinds, the nitrogen base

pairs are split up, and then free nitrogen bases floating in the nucleus pair with up with the broken pairs, creating two identical DNA strands.

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