Answer:
C nucleic acids
Explanation:
FALSE - only herbivores and carnivores do
FALSE - only carnivores do
FALSE- only herbivores and omnivores do
DNA is translated to produce tRNA, which assembles proteins.
DNA directs the production of mRNA; mRNA is translated to make tRNA; tRNA assembles the protein.
RNA directs the production of DNA; DNA contains genes that produce tRNA, which builds the protein.
The most probable answer here is the third option from the top, but it not entirely accurate because mRNA is not translated to make tRNA. The latter is already present in the cytoplasm of the cell.
The first step in protein synthesis is Transcription in which a new RNA molecule is synthesized from a DNA template. This process takes place in the nucleus of the cell. The new RNA strand is called messenger RNA or simply mRNA because it carries information from the DNA in the nucleus to the site where this information can be Translated from nucleotide language to amino acid language. This site is actually the ribosome/s usually located in the cell cytoplasm.
The ribosome attaches to the mRNA and begins to read the code on the mRNA.
tRNA which is free in the cytoplasm or attached to the ribosome begins to fetch the correct amino acid coded for by the mRNA from the amino acid pool in the cytoplasm.
These amino acids are linked together in the ribosome with the help of enzymes to make a polypeptide chain which is actually the protein, newly formed.
The statement that is true about Protein synthesis is that DNA directs the production of mRNA; mRNA is translated to make tRNA; tRNA assembles the protein.
The correct statement about protein synthesis is: DNA directs the production of mRNA; mRNA is translated to make tRNA; tRNA assembles the protein.
Protein synthesis involves two main steps: transcription and translation. Transcription occurs in the nucleus and involves the synthesis of mRNA using a DNA template.
The mRNA molecule then moves to the cytoplasm where it is translated by ribosomes and tRNA molecules.
The tRNA molecules bring specific amino acids to the ribosome, which then assembles them into a polypeptide chain to form a protein.
Overall, DNA provides the instructions for the synthesis of mRNA, and mRNA serves as the template for protein synthesis.
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Answer: Mitochondria
Explanation:
The mitochondria is the organelle that is responsible for the process of cellular respiration. During this process the sugar that is produced is broken down into a usable form of energy.
The energy from the bonds of carbohydrates is stored in the form of ATP which is a high energy particle used for the various processes in the plant body.
The mitochondria is also known as the power house of the cell because it is the main site of ATP production.
Answer:
Darwin's observations led him to wonder: How do species originate?
Explanation:
Darwin observed morphological traits and geographic distribution of many species as well as many fossils. From these observations the question: How do species originate?, arose. Darwin concludes that similar species must originate from a recent common ancestor with similar traits to all their descendants. This is the basis of the theory of evolution.
In an analogy between a factory and a cell, tRNA is like the 'delivery truck' that carries the necessary parts (amino acids) to the assembly line (ribosomes). It plays a crucial role in protein synthesis by translating the instructions from DNA and mRNA into a physical protein structure.
In the analogy between a factory and a cell, tRNA might be considered the 'delivery truck' that carries the necessary parts (amino acids) to the assembly line (ribosomes). DNA provides the instructions (genes), mRNA conveys these instructions to the ribosomes, and then tRNA transports the correct amino acids to the ribosomes based on the information in the mRNA. Each tRNA molecule contains an anticodon that matches a specific codon (set of three nucleotides) on the mRNA, allowing it to carry and add the corresponding amino acid to the growing polypeptide chain. This process of translation 'reads' the language of mRNA and translates it into the language of proteins. In other words, tRNA plays an essential role in the synthesis of proteins within a cell, facilitating the transfer of information from DNA and mRNA to a physical, functional protein structure.
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