Post Test: Science G10 3Q Module 4
Quiz by Jerald U. Carilla
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- 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