FL Bio EOC Review

Why do cells replicate their DNA?

• To express genes

• To code for proteins

• To make more DNA for new cells

• To repair damaged DNA

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DNA is found in what cell structure?

• Rough Endoplasmic Reticulum

• Ribosomes

• Nucleus

• Nucleolus

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95% of the cells life cycle

Stage where DNA is copied

• Interphase

• Metaphase

• Telophase

• Prophase

The cell membrane is semi-permeable, which means...

• All materials can enter and leave the cell

• Certain things can enter while others cannot

• The cell manually sorts through all materials

Which organelle is key in cell division?

• Cilia

• Ribosome

• Centrioles

• Smooth ER

Which macromolecule is broken down first for energy in the form of ATP?

• Nucleic acids

• Amino acids

• Carbs

• Lipids

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A ___ is a section of DNA on a ___ that codes for a ___.

• Protein, gene, chromosome

• Gene, chromosome, protein

• Gene, protein, chromosome

• Protein, chromosome, gene

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How many chromosomes do humans have?

• 46

• 23

• 100

• 12

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A fruit fly has 4 chromosomes in its body cells. After one of its cells goes through mitosis, there will be __ identical cells each with __ chromosomes.

• 4; 4

• 2; 4

• 2; 8

• 4; 2

What is a substance called if it speeds up a chemical reaction?

• reusable

• catalyst

• specific

• fragile