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- 1. Multiple ChoiceWhich component of DNA determines the traits of an organism?Nitrogen BasesSugar-Phosphate BackboneHydrogen bonds
- 2. Multiple ChoiceWhat is common among all living organisms?DNAnucleusbreathingmovement
- 3. Multiple Choice
What does this picture represent?amino acidbase pairingnucleotidethe DNA molecule - 4. Multiple Choice
The components of DNA are common to ALL organisms.
True
False
- 5. Multiple Choice
DNA holds the code (or instructions) for making
lipids
carbohydrates
proteins
sugars
- 6. Multiple ChoiceWhich sequence of DNA bases would pair with this partial strand
ATG TGA CAGATG TGA CAGTAC ACT GTCGTA AGT GACCAT TCA CTG - 7. Multiple Choice
Which of the following best describes the shape of a DNA molecule?
double helix
contains ribose
made of amino acids
contains Uracil
- 8. Multiple ChoiceWhich of the following units are repeatedly joined together to form a strand of DNA?amino acidsnucleotidesfatty acidspolysaccharides
- 9. Multiple ChoiceAdenine bonds with ______________.GuanineThymineCytosineAdenine
- 10. Multiple ChoiceGuanine bonds with ______________.AdenineGuanineCytosineThymine
- 11. Multiple ChoiceWhy is DNA important?it is very small and very complicatedit's in everythingit serves as the blueprint for traits of all living thingsbecause we eat it every day for energy
- 12. Multiple ChoiceWhat determines the code, or information, of a DNA molecule?the shape (structure) of the nitrogen basesthe order (sequence) of the nitrogen basesthe color of the nitrogen basesthe frequency (number) of nitrogen bases
- 13. Multiple Choice
In eukaryotes, which organelle is DNA found in?
Cell Membrane
Vacuole
Golgi body
Nucleus
- 14. Multiple ChoiceNitrogenous bases are joined by which type of bond?polar bondsionic bondscovalent bondshydrogen bonds
- 15. Multiple Choice
Which shows the correct order of DNA replication?
3, 2, 1, 4
2, 1, 4, 3
2, 3, 1, 4
3, 4, 1, 2
- 16. Multiple ChoiceIn what phase of the cell cycle does DNA replication take place?G1SG2M
- 17. Multiple Choice
Genes are segments or parts of ___________ that code for a protein or a trait.
DNA
mRNA
amino acid
DNA and mRNA
- 18. Multiple ChoiceWhat is the purpose of DNA replication?Cut the DNAMake more cellsApoptosisDuplicate the DNA
- 19. Multiple ChoiceWhy is it crucial that living things are able to replicate their DNA?Each cell must have its own DNALess copies of DNA are needed when a new cell is createdA cell needs multiple copies of DNAOnly muscle cells need DNA
- 20. Multiple ChoiceReplicate the following strand of DNA:
AATCATGGAAATCATGGATTAGTACCTUUAGUACCUGGATAUCUA - 21. Multiple ChoiceThe DNA nucleotide is composed of three parts. Which two components make up the nucleotide backbone?ribose sugar and baseribose sugar and phosphate groupnitrogen base and deoxyribose sugardeoxyribose sugar and phosphate group
- 22. Multiple ChoiceWhat are the 4 nitrogen bases?adenine, thymine, cytoplasm, and guanineadenine, thymine cytosine, and guanineadenine, thymine, cytosine, and gylceroladenine, thymine, cytosine, and glucose
- 23. Multiple Choice
The nucleic acid DNA is composed of nucleotides that have which three parts?
sugar, protein, and nitrogenous bases.
protein, nitrogenous bases, and phosphate.
nitrogenous bases, phosphate, and RNA.
sugar, phosphate, and nitrogenous bases.
- 24. Multiple Choice
Where does DNA synthesis/replication occur in the cell cycle?
Mitosis
G1 phase
S phase
G0 phase
- Answer choicesTagsAnswer choicesTags