Name: Date:
Grade and Section: Score:
QUARTER 3: MODULAR TEST No. 2
(The Central Dogma of Life)
MELC No. 4 Process Involved in Protein Synthesis
.
A. Complete the table below by writing the correct words or description about RNA or DNA.
Choose the words from the box below.
(Kumpletuhin ang talahanayan sa ibaba sa pamamagitan ng pagsulat ng mga tamang
salita o paglalarawan tungkol sa RNA o DNA. Piliin ang mga salita mula sa kahon sa ibaba.)
COMPARISON DNA RNA
Structure
Component
Function
Single stranded A, T, C, G
Double stranded helix A, U, C, G
Sugar deoxyribose, phosphate, and nucleotide
basis
Stores genetic materials
Sugar ribose, phosphate, and nucleotide basis Functions in protein synthesis transcribing and
translating the genetic
code
B. Choose the letter of the correct answer: (Piliin ang titik ng tamang sagot)
The following is the base sequence on one strand of a DNA molecule:
A A T G C C A G T G G T
1. If this strand is replicated, which of the following is the complementary strand
that is produced?
a. T C G T C C G T C T A G c. T T A C G G T C A C C A
b. A G C A G G C A G G G T d. U C G U C C U C U A G A
2. If transcribed into an mRNA, what would be the resulting strand?
a. U U A C G G U C A C C A c. A G C A G G C A G A U C
b. A G C A G G A G A T C d. T C G T C C G T C T A G
3. During translation, the tRNA sequence of nucleotides arranged linearly is
_______.
a. T C G T C C G T C T A G c. A G C A G G C A G A U C
b. A A U G C C A G U G G U d. U C G U C C G U C U A G
C. Each combination of nitrogen bases on the mRNA molecule is a codon, which is
a three-letter code for a specific amino acid. The table shows the mRNA codon
for each amino acid. Use the Genetic Code Table to answer the questions.
4. The codon for tryptophan is _____________________.
5. For Leucine, there are ___________________ different codon.
