DNA and Chromosome

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

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Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

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Which organelle(part of the cell) is DNA usually found in?

• cell membrane

• vacuole

• chloroplast

• nucleus

The drawing shows the structure of what molecule?

• A DNA molecule
• A lipid molecule
• A carbohydrate molecule
• A protein molecule

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NGSS.HS-LS1-1

True or False? A tightly wound bundle of DNA is a chromosome.

• False
• True

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Characteristics or features that can be passed from one generation to another is

• heredity

• trait

• gene

• nature

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What is a gene?

• A bundle (like a hot dog bun) that the DNA is packed into
• something inside the nucleus
• a piece of DNA
• all of your DNA

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There is a segment of DNA that codes for every trait that a person has.

These segments of DNA are found on chromosomes and are called ________.

• Deoxyribonucleic acid

• Genes

• Heredity

• Recessive Traits

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A long piece of coiled DNA found in the cells; contains genes that encode traits.

• gene

• chromosome

• trait

• DNA

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NGSS.HS-LS3-1

What is the relationship between DNA and chromosomes?

• Chromosomes are made of DNA
• DNA is made of chromosomes
• DNA and chromosomes are the same thing.
• All of the above are correct

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