All categories

2 years ago

Label the steps for protein synthesis in order, beginning with the first step.

2 answers:

Elena-2011 [213]2 years ago

4 0

The synthesis of protein occurs in two basic steps: transcription and translation.
During transcription, the information encoded in DNA is reproduce in mRNA and the mRNA moves out of the cell nucleus into the cytoplasm.
Translation is divided into four steps:
1. Activation:RNA together with ribosome and tRAN mobilize free amino acids into the ribosome.
2. Elongation: during this stage, anticodon of tRNA recognises the codon of mRNA
3.Termination: termination of elongation is signals by the terminal codon in the mRNA .

4.Translocation of protein: in this stage, completed proteins are released into the cytoplasm.

Sergeeva-Olga [200]2 years ago

4 0

The synthesis of protein takes place in two basic steps: transcription and translation. At the time of transcription, the information encrypted in DNA is reproduced in mRNA and the mRNA moves out of the cell's nucleus into the cytoplasm. After this the process of protein synthesis, that is, translation takes place. The following are the steps for protein synthesis:

1. RNA polymerase unzips DNA and free RNA nucleotides join DNA to form mRNA.

2. mRNA is transported from the nucleus of the cell to the ribosomes of the cell.

3. mRNA joins the ribosome, and the anticodons from tRNA join mRNA to produce a chain of amino acids.

4. A chain of amino acids is formed from peptide bonds, creating a protein.

5. Once the protein is made, the gene for a particular trait is expressed.

You might be interested in

When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which

GrogVix [38]

The question is incomplete as it does not have the options which are:

A) relay molecule

B) transducer

C) signal molecule

D) response molecule

Answer:

C) signal molecule

Explanation:

The transmission of signals in the neurons takes place in the form of electrical energy and chemical energy. The signals get transmitted in the form of electrical signals inside the neurons but when the signals have to be passed on to the next neuron on the pathway then the electrical signals get converted into the chemical signals.

The electrical signals cause the release of the chemical signals molecules called neurotransmitter from the synaptic vesicles in the presynaptic neuron and also opens the gated ion channels at the terminal. The neurotransmitter thus acts as a signal molecule in the transmission of a signal through neurons.

Thus, C) signal molecule is the correct answer.

8 0

2 years ago

In a PCR reaction, a few seconds at high temperature disrupts the ____ that hold the two strands of DNA together, so every molec

Andrews [41]

Answer:

Hydrogen Bonds

Explanation:

In the polymerase chain reaction (PCR) the temperature rises to 90 ° C - 95 ° C, to break the hydrogen bonds, which are the types of bonds responsible for pairing the two strands of DNA, this process is known as denaturation of DNA.

The DNA is extremely stable, due to a large number of bonds (hydrogen bonds) that form between the two strands. If the temperature decreases, these bonds will begin to recompose, until the DNA returns to its original state

7 0

2 years ago

Amylase is an enzyme that converts carbohydrate polymers into monomers. Glycogen synthase is one of the enzymes involved in conv

ollegr [7]

Answer:

This question is incomplete; the complete part is:

Which of the following best explains the reactions of these enzymes?

A) Amylase aids in the removal of a water molecule to break covalent bonds whereas glycogen synthase aids in the addition of a water molecule to form covalent bonds.

B) Amylase aids in the addition of a water molecule to break covalent bonds whereas glycogen synthase aids in the removal of a water molecule to form covalent bonds.

C) Amylase aids in the addition of a water molecule to form covalent bonds whereas glycogen synthase aids in the removal of a water molecule to break covalent bonds.

D) Amylase aids in the removal of a water molecule to form covalent bonds whereas glycogen synthase aids in the addition of a water molecule to break covalent bonds.

The answer is A

Explanation:

In nature, MONOMERS are simpler units that come together to form larger units called POLYMERS. According to this question, Amylase converts carbohydrate polymers to monomers while Glycogen synthase converts carbohydrate monomers to polymers.

Monomers of carbohydrate are joined together by adding water molecule to form covalent bonds between the monomer units, hence, forming a POLYMER. This is how Glycogen synthase catalyzes its reaction of forming carbohydrate polymer (glycogen).

On the other hand, Amylase breaks down large polymer molecules into monomers by removing water molecules in a process called HYDROLYSIS. This breaks the covalent bond that holds the monomeric units together.

3 0

2 years ago

Create a sentence explaining how amino acids form proteins.

kherson [118]

Within a protein, multiple amino acids are linked together by peptide bonds, thereby forming a long chain. Peptide bonds are formed by a biochemical reaction that extracts a water molecule as it joins the amino group of one amino acid to the carboxyl group of a neighboring amino acid.

5 0

2 years ago

Read 2 more answers

Drawn below is the structure of singulair® (montelukast), a medication used to manage asthma. assign the absolute configuration

Zielflug [23.3K]

The answer is R. The structure of singulair (montelukast), a medication used to manage asthma, the absolute absolute configuration of the chirality center is r and not s. Montelukast is aeukotriene receptor antagonist used to relieve symptoms of seasonal allergies.and used for the maintenance treatment of asthma.

6 0

2 years ago