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Quarter 3 Module 5 - Effect of Mutation on Protein

Quiz by Keith Angeline Alejandro

Grade 10
Science
Philippines Curriculum: Grades K-10 (MELC)

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10 questions
Show answers
  • Q1

    A mistake in nitrogen base pairing may occur without a known cause. But this spontaneous mutation allows cells to repair damaged DNAs. How can cells repair damaged DNAs?

    I. Nitrogen base removal

    II. Nucleotide removal

    III. Mismatch repair

    I, II and III

    I and III

    II and III

    I and II

    120s
    S10LT-IIIe-38
  • Q2

    Which describe/s gene mutation?

    I. Deletes a segment of a chromosome without a centromere

    II. Changes structure and function of a protein

    III. Creates a different protein

    I and III

    II and III

    I and II

    I, II and III

    120s
    S10LT-IIIe-38
  • Q3

    If the DNA strand AAA TCG AGG CCA is transcribed to an mRNA, which shows an occurrence of addition?

    AAA TCG AGA GCC A

    UUU AGC UCG GU

    AAA TCG AGC CA

    UUU AGC UCA CGG U

    120s
    S10LT-IIIe-38
  • Q4

    Which pair about the types of mutation is incorrectly matched?

    Gamma: Ionizing Radiation

    Duplication: chromosomal

    UV radiation: Non-ionizing radiation

    Translocation: gene

    120s
    S10LT-IIIe-38
  • Q5

    Why is nonsense mutation harmful to the organism?

    I. It shortens the amino acid sequence

    II. It changes the structure of the protein

    III. It changes the function of the protein produced

    I only

    I, II, and III

    Both I and II

    II only

    120s
    S10LT-IIIe-38
  • Q6

    How does silent mutation affect protein production in the cell? Silent mutation _____

    changes the base sequence but similar protein.

    changes the amino acid sequence

    shortens the chromosomal strand

    shortens amino acid sequence

    120s
    S10LT-IIIe-38
  • Q7

    Which chemical mutagen can remove an amino group in a nitrogen base?

    Base analogs

    Base deaminators

    Intercalating agents

    Base altering chemicals

    120s
    S10LT-IIIe-38
  • Q8

    High energy radiation ejects the electrons in an atom causing free radicals. Which are examples of high-energy radiation?

    Gamma, X-rays and Ultraviolet

    Ultraviolet and gamma

    Gamma and X-rays

    Ultraviolet and X-rays

    120s
    S10LT-IIIe-38
  • Q9

    How can bacteria cause mutation in their host?

    It inserts its DNA into the genome of the host.

    It causes inflammation, breakage, and damage to the DNA

    It changes location in a chromosomal DNA

    Both A and B.

    120s
    S10LT-IIIe-38
  • Q10

    What is the correct arrangement of events on how pyrimidine dimers cause mutation?

    i. A covalent bond is formed between two pyrimidine bases

    ii. Adjacent pyrimidine bases absorb UV radiation

    iii. DNA strand with the dimer is not replicated

    iv. A kink in the DNA is formed due to pyrimidine dimer

    I, III, II, I

    II, I, IV III

    III, II, I, IV

    I, II, III, IV

    120s
    S10LT-IIIe-38

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