EOC Living Enviro Topic 3

What is recombinant DNA

• DNA from 2 different organisms combined

• DNA from 2 different ribosomes

• DNA that is separated out from a vector

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Which produces offspring from a single cell of an adult?

• inbreeding.
• mutations.
• hybridization.
• cloning.

Mutations can benefit humans because they can:

• Cause illness

• Make an organism more suited to live in its environment.

• Make organisms live shorter lives

• Cause organisms to grow extra limbs.

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A mutation is defined as:

• A change in the cell's structure

• Anything that changes in an embryo

• Any change in the physical features of a human

• A change in the DNA sequence

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Cytosine always pairs with

• Adenine
• Thymine
• Uracil
• Guanine

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

• The order of the Nitrogen Bases determines the number of chromosomes present in an organism.
• The order of the Nitrogen Bases determines the traits that an organism will possess (have).
• The order of the Nitrogen Bases determines the gender of an organism.
• The order of the Nitrogen Bases determines whether an organism is abiotic biotic.

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The process of going from DNA to mRNA is called

• Transcription
• Translation
• Transportation
• Transient

DNA holds the code for

• lipids
• carbohydrates
• protein
• sugar

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Which of the following sequences best describes the flow of information that takes place when a gene directs the synthesis of a cellular component?

• RNA-DNA-RNA-PROTEIN

• DNA-RNA-PROTEIN

• PROTEIN-RNA-DNA

• DNA-AMINO ACID-RNA-PROTEIN

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Cutting DNA from one organisms and placing it into the DNA strand of another organism is called:

• recombinant RNA technology
• recombinant DNA technology
• selective breeding
• gene cloning

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