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- 1. Multiple ChoiceWhat is the function of nucleic acids?store genetic informationstore energy (long-term)store energy (short-term)build skin, hair, nails, muscles
- 2. Multiple ChoiceWhat are the nucleotides made of?Sugar, Phosphate, nitrogen basePhosphate, Adenine, nitrogen baseThymine, Adenine, CytominePhosphate, Nitrogen, Adenine
- 3. Multiple ChoiceAdenine bonds with ______________.GuanineThymineCytosineAdenine
- 4. Multiple ChoiceGuanine bonds with ______________.AdenineGuanineCytosineThymine
- 5. Multiple ChoiceWhich sequence of DNA bases would pair with this partial strand
ATG TGA CAGATG TGA CAGTAC ACT GTCGTA AGT GACCAT TCA CTG - 6. Multiple ChoiceWhich of the following monomers are repeatedly joined together to form a strand of DNA?amino acidsnucleotidesfatty acidspolysaccharides
- 7. Multiple ChoiceWhich 2 molecules form the sides (backbone) of the DNA ladder?deoxyribose sugar and adeninedeoxyribose sugar and a hydrogen bonddeoxyribose sugar and the nucleusdeoxyribose sugar and phosphate
- 8. Multiple ChoiceA long chain of amino acids is a/anproteinnucleic acidtRNAmRNA
- 9. Multiple ChoiceThe enzyme that unwinds the DNA to prepare for replicationhelicasereplicasepolymerasesynthase
- 10. Multiple ChoiceDNA replication results in two DNA molecules,each one with two original strandseach one with two new strandseach one with one new strand and one original strandone with two new strands and the other with two original strands
- 11. Multiple ChoiceIn what phase of the cell cycle does DNA replication take place?G1SG2M
- 12. Multiple ChoiceWhy does DNA replicate?To create another copy for the new cellTo create a duplicate copy in case the original gets damagedTo create a new copy to replace the damaged original
- 13. Multiple Choice
Which of the following are differences in the structure between RNA and DNA
DNA uses deoxyribose sugar, RNA uses sugar ribose
DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine
DNA is a double helix, RNA is a single helix
DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil
- 14. Multiple Choice
Insertion, deletion, and substitution are all examples of a change in a genetic sequence which is also referred to as (a)
Gene
Amino Acid
Ribose
Mutation
- 15. Multiple Choice
A string of nucleotides that contain the information to make a specific protein
Ribose
Amino Acids
tRNA
Gene
- 16. Multiple Choice
During translation, this type of ribonucleic acid is responsible for delivering amino acids to help make a protein.
mRNA
rRNA
tRNA
dRNA
- 17. Multiple Choice
mRNA occurs during this process
Translation
Transcription
Replication
Delivery
- 18. Multiple Choice
Which of the following is the complementary mRNA sequence to this DNA strand: AACTGAA
UUGACUU
TTGACTT
AACTGAA
AACUGAA
- 19. Multiple Choice
which process is shown?diffusionrepirationrecombinationtranslation - 20. Multiple ChoiceGenetic info flows in one direction. Which best represents this flow?DNA-protein-RNAProtein-RNA-DNARNA-protein-DNADNA-RNA-protein
- 21. Multiple ChoiceCell division occurs to allow forGrowthReproductionRepairAll of the above
- 22. Multiple ChoiceThe sister chromatids of each chromosome are separated (come apart) and move to opposite ends of the cell. Name that Stage!ProphaseMetaphaseAnaphaseTelophase
- 23. Multiple ChoiceThe cytoplasm is divided between the cells splitting the cell into two. Name that Stage!CytokinesisInterphaseProphaseMetaphase
- 24. Multiple ChoiceDNA is copied in the S part of this stage. Name that Stage!InterphaseProphaseMetaphaseAnapahse
- 25. Multiple ChoiceNucleolus and nuclear membrane start to disappear, chromatin condenses into chromosomes, and spindle fibers start to form. Name that Stage!InterphaseProphaseMetaphaseAnaphase
- 26. Multiple ChoiceThe chromosomes start to line up in the middle of the cell.ProphaseMetaphaseAnaphaseTelophase
- 27. Multiple ChoiceWhich process and type of resulting cells are represented?mitosis, gametesmitosis, body cellsmeiosis, gametesmeiosis, body cells
- 28. Multiple ChoiceThe chromosomes that pair up during meiosis, are called __________ chromosomes.homozygousasexualhomologousgenes
- 29. Multiple ChoiceA male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?204080160
- 30. Multiple ChoiceWhat causes genetic variation in meiosis?chromosomes lining upcrossing over of chromosomesseparation of chromosomeschromosomes pulling apart
- 31. Multiple ChoiceFemales have ____ and males have _____ chromosomes.XX, XYXY, XXXX, XXXY, XY
- 32. Multiple ChoiceHow many daughter cells are produced from meiosis ?10642
- 33. Multiple ChoiceCrossing over occurs in which phase ?metaphase IanaphaseIItelophaseIIprohase I
- 34. Multiple Choice
What term denotes the physical expression of a gene?
genotype
phenotype
appearance
homologous
- 35. Multiple Choice
Which of the following laws claims that alleles will come together independently of each other in the offspring?
Law of Independent Assortment
Law of Probable Expression
Law of Typical Collection
Law of Assorted Assignment
- 36. Multiple Choice
What are the chances that two white flower (pp) pea plants could produce a purple flower pea plant?
0%
25%
50%
75%
- 37. Multiple ChoiceIn the second generation-how many people are carriers of the trait?2356
- 38. Multiple ChoiceWhat does the symbol located at Generation II - 3 represent?Dominant FemaleRecessive FemaleCarrier FemaleMitosis Female
- 39. Multiple ChoiceIf the affected female in generation 3 mates with an affected male. What will be their offspring's genotype?100% Hybrid/Pure100% Homozygous Dominant100% Homozygous Recessive100% Heterozygous
- 40. Multiple Choice
When there is more than 2 alleles for a gene.
polygenic inheritance
multiple alleles
codominance
linked genes
sex-linked traits
- 41. Multiple Choice
When several genes control one phenotype
polygenic inheritance
multiple alleles
codominance
linked genes
- 42. Multiple Choice
When two genes are located close together on the same chromosome so the traits tend to be inherited together.
polygenic inheritance
multiple alleles
codominance
linked genes
incomplete dominance
- 43. Multiple Choice
Traits controlled by genes located on the X or Y chromosome
polygenic inheritance
multiple alleles
sex-linked traits
linked genes
incomplete dominance
- 44. Multiple Choice
WHICH OF THE FOLLOWING DO NOT OCCUR DURING THE MITOSIS STAGE OF THE CELL CYCLE
SISTER CHROMATIDS SEPARATE LIKE IN ANAPHASE
DNA IS REPLICATED LIKE IN THE S PHASE
CHROMOSOMES LINE UP AT THE EQUATOR LIKE METAPHASE
CHROMATIN CONDENSES INTO CHROMOSOMES
- 45. Multiple Choice
What phase of Meiosis is this?
Telophase I
Anaphase I
Anaphase II
Telophase II
- 46. Multiple Choice
What phase is the picture showing?
Metaphase I
Metaphase II
Prophase II
Anaphase I
- 47. Multiple ChoiceCells spend 90% of their time in this stage of the cell cycle. This is the reason you would see most cells in this stage if viewed under a microscope.ProphaseMetaphaseAnaphaseInterphase
- 48. Multiple ChoiceThe middle part that holds the two chromatids together is called theChromatinCentrioleCentromereNucleus
- 49. Multiple Choice
What is this phase of Mitosis?
Prophase
Metaphase
Anaphase
Telophase
- 50. Multiple Choice
What is this phase of Mitosis?
Prophase
Metaphase
Anaphase
Telophase
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