What is the matching strand of DNA?
In DNA, Adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C). Notice that in the two figures above, the two strands of a DNA molecule are antiparallel, that is, they run in different directions.
What is the sequence of a complementary strand of DNA?
Complementary sequence: Nucleic acid sequence of bases that can form a double- stranded structure by matching base pairs. For example, the complementary sequence to C-A-T-G (where each letter stands for one of the bases in DNA) is G-T-A-C.
What is the three letter sequence on a tRNA molecule called?
Why is transcription more complex in eukaryotes?
Eukaryotic transcription is more complex than prokaryotic transcription. For instance, in eukaryotes the genetic material (DNA), and therefore transcription, is primarily localized to the nucleus, where it is separated from the cytoplasm (in which translation occurs) by the nuclear membrane.
What is the difference between a transcriptional and translational start site?
There Is No Difference-these Terms Are Interchangeable. The Transcriptional Start Site Is Used To Initiate The Production Of The Polypeptide While Translation Start Site Is Used To Initiate The Production Of The Initial RNA Transcript The Translational Start Site Is …
Why is transcription faster than translation?
Interestingly, since every 3 base pairs code for one amino acid, the rates of the two processes are nearly matched and as noted above, this is probably not accidental. Translation that is faster than transcription would cause the ribosome to “collide” with the RNA polymerase.
Is transcription or translation more complicated?
DNA stores genetic information, which is then transferred to RNA in transcription, before directing the synthesis of proteins in translation. The production of mRNA from RNA in eukaryotes is particularly more complicated than it is in prokaryotes, involving several additional processing steps
How does the ribosome know what proteins to make and make them?
The mRNA leaves the nucleus and enters the cytoplasm. Then, ribosomes attach to mRNA. A ribosome attaches to mRNA in the cytoplasm. On the ribosome, the mRNA provides the code for the protein that will be made.
How do ribosomes know what to do?
Ribosomes receive information from the cell nucleus and construction materials from the cytoplasm. Ribosomes translate information encoded in messenger ribonucleic acid (mRNA). They link together specific amino acids to form polypeptides and they export these to the cytoplasm.
What are the steps for protein synthesis?
Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes three steps: initiation, elongation, and termination
What two steps are required for protein synthesis quizlet?
Terms in this set (5)
- The mRNA leaves the NUCLEUS and travels through the CYTOPLASM to the RIBOSOME.
- TRANSLATION (part 1)
- TRANSLATION (part 2) tRNA brings the correct amino acid from the CYTOPLASM to the RIBOSOME.
Which is the correct order of protein synthesis?
The correct sequence of events in protein synthesis is transcription, then translation.
What does translation do in protein synthesis?
Translation is the process of translating the sequence of a messenger RNA (mRNA) molecule to a sequence of amino acids during protein synthesis. The genetic code describes the relationship between the sequence of base pairs in a gene and the corresponding amino acid sequence that it encodes.