What is the role of clotting factor proteins in the blood?

• They help in the digestion of food.

• They bind blood cells into a clot to stop bleeding.

• They transport oxygen throughout the body.

• They fight infections in the body.

What happens if one of the thirteen clotting factor proteins is missing?

• The blood clots faster.

• The blood does not clot, leading to continuous bleeding.

• The blood changes color.

• The blood becomes thicker.

What is hemophilia?

• A condition where blood clots too quickly.

• A condition where blood does not clot properly due to missing proteins.

• A condition where blood cells are abnormally shaped.

• A condition where blood pressure is extremely low.

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What causes hemophilia?

• A lack of red blood cells.

• A problem with genes that affects clotting factor proteins.

• An excess of white blood cells.

• A deficiency in vitamin C.

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What is the term used when an organism has two identical copies of a gene?

• Heterozygous

• Homozygous

• Alleles

• Chromosome

What happens if the gene copies are heterozygous?

• Only one type of protein is produced

• No protein is produced

• Two types of protein are produced

• The gene copies are identical

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Why can't people with hemophilia make a clotting factor protein?

• They have extra chromosomes

• They have a version of the gene with incorrect instructions

• They lack DNA

• They have too many proteins

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What is the role of genes located on chromosomes in the cell's nucleus?

• They destroy protein molecules

• They provide instructions for building protein molecules

• They remove DNA from the cell

• They create new chromosomes

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What is the main challenge in treating hemophilia with clotting factor protein?

• It requires a large amount of blood to obtain the protein.

• The protein is not effective in humans.

• It causes severe side effects.

• It is too expensive to produce.

How are scientists currently able to produce clotting factor protein?

• By extracting it from human blood.

• By inserting human genes into hamster chromosomes.

• By synthesizing it chemically in a lab.

• By using plant-based proteins.

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