Reporting Category 2 Questions: Part 1
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by Megan Wiegreffe
| 22 Questions
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Letters B, C, D, and E can all be labeled as a:
A sugar
B phosphate group
C nitrogen base
D protein
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If letter "B" is Thymine, what would letter "C" be?
F Adenine
G Guanine
H Cytosine
J Uracil
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Nucleotides are structures that make up the nucleic acid molecules. Which of the following ocmponents make up a nucleotide?
I. Phosphate Group
II. Sugar
III. Fatty Acid
IV. Nitrogen Base
A I, III, and IV only
B I and IV only
C II, III, and IV only
D I, II, and IV only
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Information in DNA is carried in sequences of genetic code. How are these genetic codes translated into specific proteins that carry out functions within the organism?
F Triplets, a group of three nucleotides, create a code for a specific amino acid. These amino acids are combined into chains to form proteins.
G Nitrogen bases in the DNA strand recombine into amino acid chains.
H Mutations within a set of nucleotides create variations in genetic coding. These variations are vital to consistent protein synthesis.
J All of the above.
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In the genetic structure below, which component changes when coding for different triplets and amino acids?
A sugar
B phosphate group
C nitrogen base
D all three above will change in creating different triplets
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Two brothers are born to the exact same set of parents, but one has blue eyes and the other has brown. What is the explanation for this occurance?
F The two brothers have a differnt number of chromosomes.
G
H The brothers have differnt sets of mucleotide sequences.
J The brothers received differnt amounts of DNA from their parents.
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Sickle cell anemia, illustrated in the picture below, is the result of a mutation. What is the likely cause of the genetic mutation.
A During mitosis, a virus infects the parent blood cell passing the disease to the daughter cells.
B A single nucleotide in a triplet is affected from CTC to CAC
C Bacterial infections at birth inhibit key moments of human development.
D No genetic code exists in the DNA for red blood cells in the person carrying the disease.
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Which of the following statements is NOT true about the definition and function of mutations?
F Mutations are never passed to the offspring from a parent even if they occur in a gamete cell due to the ability of DNA to self-correct coding errors.
G Triplets can be inserted, deleted, or substituted in a DNA coding sequence.
H Mutations affect protein synthesis through changes in the mRNA.
J Some mutations can be beneficial or simply cause a neutral variation in genetic coding.
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At which step during protein synthesis does a mutation occur?
A DNA is copied and each new cell gets a full copy.
B Information copied from DNA is moved into the cytoplasm.
C Proteins are assembled at the ribosomes.
D Proteins fold and begin functioning.
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The chart below illustrates the amino acids that a specific triplet creates. Which of the following mutations would result in a different protein being synthesized?
A AUA is mutated into AUU
B AGA is mutated into AGG
C AUU is mutated into ACU
D ACC is mutated into ACA
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Which of the following would be considered a beneficial genetic alteration?
A Many current Europeans have a gene for Bubonic Plague resistance.
B People from African descent have higher amounts of melanin, increasing resistance to skin cancer.
C Pepperd moths changed from gray to black during the industrial revolution in England.
D All of the above
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a carbon-hydrogen-oxygen-nitrogen molecule created from a specific triplet sequence
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carried genetic information from parent cell or parents' egg and sperm cells
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formed from a sequence of three nucleotides and specify one of twenty different amino acids
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process that copies DNA's genetic information into messenger RNA
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insertion, deletion, or substitution in a DNA sequence
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process by which a protein is made from mRNA and occurs within a cell's ribosome
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language of triplets that is common to all organisms
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a component of the nucleotide and pairs with a complimentaty from from another nucleotide
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a component of DNA that consists of a sugar, phosphate group, and nitrogen base
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nucleic acid that uses genetic infromation from DNA to produce proteins
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a molecule made from an amino acid chain that performs a specific task
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