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THIRD QUARTER MODULE 5 :Effect of Mutation on Protein

Quiz by Loisa Tolentino

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 and III

    II and III

    I and II

    I, II and III

    30s
    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, II and III

    I and II

    30s
    S10LT-IIIe-38
  • Q3

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

    UUU AGC UCG GU

    AAA TCG AGA GCC A

    AAA TCG AGC CA

    UUU AGC UCA CGG U

    30s
    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

    30s
    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, II, and III

    I only

    Both I and II

    II only

    30s
    S10LT-IIIe-38
  • Q6

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

    changes the amino acid sequence

    shortens amino acid sequence

    changes the base sequence but similar protein.

    shortens the chromosomal strand

    30s
    S10LT-IIIe-38
  • Q7

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

    Base altering chemicals

    Base deaminators

    Intercalating agents

    Base analogs

    30s
    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

    Ultraviolet and X-rays

    Gamma and X-rays

    30s
    S10LT-IIIe-38
  • Q9

    How can bacteria cause mutation in their host?

    Both A and B.

    It changes location in a chromosomal DNA

    It causes inflammation, breakage, and damage to the DNA

    It inserts its DNA into the genome of the host.

    30s
    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

    II, I, IV III

    I, III, II, I

    III, II, I, IV

    I, II, III, IV

    30s
    S10LT-IIIe-38

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