what event occurs during translocation?

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What Event Occurs During Translocation??

What event occurs during translocation? Translocation is the process by which mRNA shifts by three bases with respect to the ribosome to bring another codon into the A site.

What happens translocation?

Translocations. A translocation occurs when a piece of one chromosome breaks off and attaches to another chromosome. This type of rearrangement is described as balanced if no genetic material is gained or lost in the cell. … Deletions occur when a chromosome breaks and some genetic material is lost.

What is the first step of translocation?

In the first step of translocation, EF-G can either induce hybrid state formation in non-rotated, classical-state ribosomes or bind directly to rotated, hybrid-state ribosomes. In the second step, tRNAs are translocated on the 30S subunit.

What event occurs during translocation view available hint S?

View Available Hint(s) The two ribosomal subunits join to form a complex Amino acids are added to the polypeptide chain.

What happens during translation?

During translation, ribosomal subunits assemble together like a sandwich on the strand of mRNA, where they proceed to attract tRNA molecules tethered to amino acids (circles). A long chain of amino acids emerges as the ribosome decodes the mRNA sequence into a polypeptide, or a new protein.

What is the effect of translocation mutation?

Translocations are more often associated with negative consequences such as aneuploidy, infertility, or cancer.

What is translocation in plants GCSE?

Translocation is the movement of sugar produced in photosynthesis to all other parts of the plant for respiration and the other processes described above. This occurs in phloem cells.

What happens during translocation in plants?

Translocation is the movement of materials in plants from the leaves to other parts of the plant. … This causes sugar to build up in the phloem in the leaves, and water enters via osmosis, or when a material, such as water, moves from an area where there is more of it into an area where there is less.

What happens first during translocation in the phloem?

1: Translocation to the sink: Sucrose is actively transported from source cells into companion cells and then into the sieve-tube elements. This reduces the water potential, which causes water to enter the phloem from the xylem.

Why is translocation an active process?

Translocation is the movement of organic compounds from where they are made at their source, to where they are required at their sink. It is an active process which can be used to transport phloem up or down the plant.

Which of the answer choices occurs in the E site of the ribosome during translation?

Which of the following occurs in the E site of the ribosome during translation? An uncharged tRNA is ejected from this site as the ribosome slides to the next codon. An incoming charged tRNA binds to this site.

Where does the transcription take place?

the nucleus

Transcription takes place in the nucleus. It uses DNA as a template to make an RNA molecule. RNA then leaves the nucleus and goes to a ribosome in the cytoplasm, where translation occurs. Translation reads the genetic code in mRNA and makes a protein.

What is transcription translation translocation?

Response. Transcription is the process of production of RNA (Ribo Nucleic Acid) from DNA (Deoxy ribo Nucleic Acid). Translation is the process of formation of protein from RNA. Translocation is the movement of materials in plants from the leaves to other parts of the plant.

What happens during 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.

Which of the following events occurs during transcription?

Which of the following events occurs during transcription? A molecule of RNA is formed based on the sequence of nucleotides in DNA. During transcription, RNA nucleotides line up with their complementary DNA partners, transcribing the information in DNA into RNA.

What happens during transcription quizlet?

What happens during transcription? During transcription, RNA polymerase binds to DNA and separates the DNA strands. RNA polymerase then uses one strand of DNA as a template from which nucleotides are assembled into a strand of RNA. … During translation, the cell uses information from messenger RNA to produce proteins.

How does translocation Down syndrome occur?

Translocation Down syndrome happens when an extra copy of chromosome 21 is attached to another chromosome. This is then present in all cells of the body. Chromosomes contain all of the genetic information that tells our body how to grow and function.

What is translocation in science?

​Translocation

Translocation is a type of chromosomal abnormality in which a chromosome breaks and a portion of it reattaches to a different chromosome. Chromosomal translocations can be detected by analyzing karyotypes of the affected cells.

How does balanced translocation occur?

Sometimes a section from one chromosome of a particular pair changes places with a section from a chromosome of another pair. When the two breaks do not pass through a gene and there is no gain or loss of material when the chromosomes are looked at under a microscope, it is called a balanced translocation.

How does translocation occur in plants Class 10?

Food molecules reach the part of the phloem termed the sieve tubes, for translocation, where they’re being moved up or down to all areas of the plant, such as the roots. Translocation is accomplished by using ATP energy that offers the osmotic pressure necessary for food to travel upward and downward.

What is translocation for 7th class?

Translocation refers to the movement of nutrients from leaves to the other tissues in the plant. Water vapour is transported in transpiration. Sucrose is mainly transported in the translocation.

What tissues are involved in translocation?

Xylem and phloem

Tissue
What is moved
Process
Xylem Water and minerals Transpiration stream
Phloem Sucrose and amino acids Translocation

Which plant system may interact during translocation?

Which plants systems may interact during translocation? Dermal tissue, vascular tissue, and root tissue systems.

How does translocation help in the plant growth process?

Sugars produced in sources, such as leaves, need to be delivered to growing parts of the plant via the phloem in a process called translocation. The points of sugar delivery, such as roots, young shoots, and developing seeds, are called sinks. … The pattern of photosynthate flow changes as the plant grows and develops.

How translocation occurs in the phloem?

Sugars produced in sources, such as leaves, need to be delivered to growing parts of the plant via the phloem in a process called translocation, or movement of sugar. … The photosynthates from the source are usually translocated to the nearest sink through the phloem sieve tube elements.

What is the process that transports substances in the phloem?

translocation

Transport of substances in the phloem is called translocation .

What is phloem loading and unloading?

This transfer of sugars (photosynthetic) from mesophyll cells to sieve tube elements in the leaf is called as phloem loading. On the other hand, the transfer of sugars (photosynthetic) from sieve tube elements to the receiver cells of consumption end (i.e., sink organs) is called as phloem unloading.

What is the purpose of translocation?

Translocation is the process within plants that functions to deliver nutrients and other molecules over long distances throughout the organism.

Does translocation involve movement of water?

Translocation in vascular plants means the movement of organic molecules and some mineral ions. Movement of water from the soil to the leaves occurs in xylem vessels as the result of Transpiration.

Why is translocation in plants important?

It is an important process in plants because the source of production i.e., the location of photosynthesis is not the same as the site at which nutrients are stored; as a result it is essential that the nutrients be moved throughout the plant via translocation otherwise the food produced in the leaves will not be able …

What occurs at the A site of a ribosome?

The A site accepts an incoming tRNA bound to an amino acid. The P site holds a tRNA that carries a growing polypeptide (the first amino acid added is methionine (Met)). … As tRNAs enter slots in the ribosome and bind to codons, their amino acids are linked to the growing polypeptide chain in a chemical reaction.

What do ribosomes bind?

The ribosomal holoenzyme binds to both the RBS and the start codon. The start codon and everything downstream are translated by the ribosome. A Ribosome Binding Site (RBS) is an RNA sequence found in mRNA to which ribosomes can bind and initiate translation.

Which of the following molecules binds to the A site of a ribosome?

Which of the following molecules binds to the A site of a ribosome? Charged tRNAs enter the ribosomal A site. The amino acid they carry bonds with the amino acid at the P site.

What are the three important events in the process of transcription?

Transcription takes place in three steps: initiation, elongation, and termination. The steps are illustrated in Figure 2.

Phloem & translocation | Life processes | Biology | Khan Academy

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