Which organelle is considered a factory?
Which organelle is considered a factory?
Introduction
| Job in the Factory | Cell Organelle |
|---|---|
| Factory floor | Cytoplasm |
| Assembly line (where workers do their work) | Endoplasmic Reticulum (ER) |
| Workers in the assembly line | Ribosomes |
| Finishing/packaging department | Golgi apparatus |
What organelle is considered a factory because it takes in raw materials and modifies packages them as needed for use by the cell or is transported to wherever they are needed?
The factory of the cell is an organelle called the rough endoplasmic reticulum, or rough ER.
Which organelle in a cell is considered its power factory?
NUCLEUS
What organelle is responsible for packaging and transporting materials out of the cell?
The Golgi apparatus
What transports proteins in a cell?
Golgi apparatus
What moves proteins around the cell?
Endoplasmic Reticulum
What are the main features of 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 are the four steps in protein synthesis?
Translation involves four steps:
- Initiation. The small subunit of the ribosome binds at the 5′ end of the mRNA molecule and moves in a 3′ direction until it meets a start codon (AUG).
- Elongation.
- Termination.
- Post-translation processing of the protein.
What is produced from transcription?
Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). The newly formed mRNA copies of the gene then serve as blueprints for protein synthesis during the process of translation.
What is the final product of transcription?
RNA
What are the 5 steps of transcription?
The major steps of transcription are initiation, promoter clearance, elongation, and termination.
What is difference between translation and transcription?
Translation. Transcription is the synthesis of RNA from a DNA template where the code in the DNA is converted into a complementary RNA code. Translation is the synthesis of a protein from an mRNA template where the code in the mRNA is converted into an amino acid sequence in a protein.
What happens during translation?
What happens during translation? During translation, a ribosome uses the sequence of codons in mRNA to assemble amino acids into a polypeptide chain. The correct amino acids are brought to the ribosome by tRNA. The decoding of an mRNA message into a protein is a process known carries out both these tasks.
What are three differences between transcription and translation?
The process by which DNA forms mRNA is called transcription while the process by which mRNA forms protein is called translation….Differentiate between transcription and translation.
| Transcription | Translation |
|---|---|
| Transcription takes place in the nucleus of the cell | Translation takes place in the cytoplasm of the cell |
What are the steps of translation?
Steps of Translation There are three major steps to translation: Initiation, Elongation, and Termination. The ribosome is made of two separate subunits: the small subunit and the large subunit.
What are 3 steps of translation?
Translation of an mRNA molecule by the ribosome occurs in three stages: initiation, elongation, and termination.
What is the first step of translation?
Translation is generally divided into three stages: initiation, elongation, and termination (Figure 7.8). In both prokaryotes and eukaryotes the first step of the initiation stage is the binding of a specific initiator methionyl tRNA and the mRNA to the small ribosomal subunit.
What is the correct order of translation?
The correct order of stages of translation is initiation, elongation and termination. The first step is the aminoacylation or charging of tRNA. When two charged tRNAs are brought together close enough then the peptide bond formation takes place.