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Post Test: Science G10 3Q Module 4

Quiz by Jerald U. Carilla

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10 questions
Show answers
  • Q1

    1. How many nucleotides are needed to form one amino acid?

    2 nucleotides

    5 nucleotides

    3 nucleotides

    4 nucleotides

    30s
  • Q2

    2. What is the process in which the original identity of DNA makes a copy of itself?

    Transcription

    DNA replication

    Translation

    RNA replication

    30s
  • Q3

    3. What is the lagging strand sequence if the leading strand sequence of DNA is TTA CCG ATC GAA?

    TCG CCC AUG CUA

    AAT GGC TAG CTT

    UAU CCG AUG CUA

    GCG CCG ATG GUA

    30s
  • Q4

    4. How many amino acids can be identified if the coded mRNA sequence is GCAUUACAUGGCGGA ?

    6

    5

    4

    7

    30s
  • Q5

    5. What is the nitrogen base pair of Adenine in transcription?

    cytosine

    uracil

    guanine

    thymine

    30s
  • Q6

    6. The central dogma of Molecular Biology states that There are four nitrogen bases in DNA, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). Which process is not included in the central dogma?

    translation

    translocation

    duplication

    transcription

    30s
  • Q7

    7. RNA is synthesized using a DNA template in a process called ______, which utilizes the enzyme _______.

    replication, DNA polymerase

    transcription, RNA polymerase

    translation, RNA polymerase

    transcription, DNA polymerase

    30s
  • Q8

    8. Which statement correctly differentiates RNA from DNA?

    RNA has deoxyribose and DNA has ribose.

    DNA uses Uracil and RNA uses Thymine.

    RNA is single-stranded and DNA is double-stranded

    RNA is double-stranded and DNA is single-stranded

    30s
  • Q9

    9. What is the proper sequence of Protein synthesis?

    1. mRNA copies DNA according to complimentary base pairing.

    2. mRNA leaves the nucleus

    3. a stop codon is reached; the newly formed protein is released.

    4. amino acids bind to each other, the chain lengthens. 5. DNA strands unwind and separate

    6. tRNA binds to the corresponding mRNA

    3,6,5,4,2,1

    5,1,2,6,4,3

    5,6,3,4,2,1

    5,3,6,2,4,1

    30s
  • Q10

    10. Which statement is TRUE regarding DNA and RNA?

    DNA contains thymine; RNA contains uracil

    DNA is single-stranded; RNA is double-stranded

    DNA is in the cytoplasm; RNA is in the nucleus

    DNA's sugar is ribose; RNA's sugar is deoxyribose

    30s

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