21. Synthesis of lipids takes place at the _________ a. ribosomes b. rough endop

Question

21. Synthesis of lipids takes place at the _________
a. ribosomes
b. rough endoplasmic reticulum
c. smooth endoplasmic reticulum
d. golgi apparatus
e. mitochondria

22. After interacting with the ribosome, each codon of mRNA interacts with a third molecule. This molecule is called _________
a. DNA
b. An amino acid
c. Ribosomal RNA
d. TRNA
e. Rough ER

23. Which of the following sequences is correct?
a. DNA – tRNA – mRNA - protein
b. DNA – ribosome – mRNA - protein
c. DNA – mRNA – tRNA - protein
d. DNA – mRNA – rRNA - protein
e. None of the above

24. If DNA’s triplet is ATC, the corresponding codon on mRNA is _________?
a. UAG
b. TAG
c. UTC
d. ATC

25. If DNA’s triplet is ATC, the corresponding anticodon is _________?
a. UAG
b. TAG
c. AUC
d. ATC

Explanation / Answer

21- c. smooth endoplasmic reticulum 22- c 23- c. DNA – mRNA – tRNA - protein 24- a. UAG 25 - a. UAG

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