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- 1. Multiple ChoiceWhich is a part of the DNA that consists of a sugar, a phosphate, and a nitrogenous gas?DNAnucleotidebasemutation
- 2. Multiple ChoiceWhich is a molecule that is present in all living cells and that contains the information that determines the traits that a living thing inherits and needs to live?DNAnucleotidebasemutation
- 3. Multiple ChoiceWhich are the 4 DNA bases?RNA, adenine, thymine, guanineuracil, adenine, guanine, thymine,adenine, thymine, cytosine guanineRNA, DNA, ribosome, protein
- 4. Multiple ChoiceEach molecule of DNA consists of smaller segments called genes.TrueFalseTrue and FalseWhat's a molecule?
- 5. Multiple ChoiceThese long molecules carry out most cell functions.DNARNAAmino AcidsProteins
- 6. Multiple ChoiceThese molecules are made up of amino acids.proteinsbasesribosomesnucleii
- 7. Multiple ChoiceThis is a change in the DNA sequence of a gene.changemutationbondtomorrow
- 8. Multiple Choice1. The DNA unwinds. 2. The bonds between the nucleotides breaks. 3. The info. is converted from DNA to RNA. 4. The mRNA carries the code from the DNA in the cell's nucleus to the parts of the cells that make the proteins. What is this process?Genes are being created.Mutations are occuring.DNA is being copied.Too many things.
- 9. Multiple ChoiceHow many nucleotides in DNA or mRNA code for a specific amino acid?1234
- 10. Multiple ChoiceWhat are the three adjacent nucleotides in DNA or mRNA that code for amino acids called?codontranscriptiontranslationreplication
- 11. Multiple ChoiceIn a DNA molecule, which of the following bases pair together?adenine and cytosinethymine and adeninethymine and guaninecytosine and thymine
- 12. Multiple ChoiceA gene can be all of the following EXCEPTa set of instructions for a traita complete chromosomeinstructions for making a proteina portion of a strand of DNA
- 13. Multiple ChoiceWhich of the following statements about DNA is NOT true?DNA is found in all organisms.DNA is made up of five subunits.DNA has a structure like a twisted ladder.Mistakes can be made when DNA is copied.
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