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1. 360 Nm; 2. 1080 Nm. Work completed is the result of force multiplied by displacement. Work = Fd where F denotes force and d represents displacement. In scenario 1, for a distance of 9 meters, the work done equals 40 N × 9 m = 360 Nm. For scenario 2, where the distance is tripled to 27 m, the work done is 40 N × 27 m = 1080 Nm.
Answer:
The behaviors of liquids and gases differ in some respects while similar in others; let's explore:
Explanation:
Liquids are known to lack a defined shape but possess a specific volume. When a liquid is moved from a smaller to a larger container, it takes the shape of the new vessel, yet its volume remains unchanged.
Conversely, gases do not have a fixed shape or volume, which varies based on the container. As a result, gas particles can move freely within the container, leading to changes in volume when the container's size alters.
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Answer: Transcription and translation enable tRNA and rRNA molecules to produce a diverse range of polypeptides.
Explanation:
DNA comprises the genetic instructions for protein synthesis, and this data is transmitted to mRNA during transcription. This initial phase of gene expression entails copying a portion of DNA into RNA (mainly mRNA) facilitated by the enzyme RNA polymerase.
Both DNA and RNA are types of nucleic acids that utilize nucleotide base pairs as a complementary code. During transcription, an RNA polymerase reads a DNA sequence, generating a corresponding, antiparallel RNA strand termed a primary transcript.
A notable variation exists among genes, leading to numerous distinct mRNA molecules. However, ribosomes, made up of rRNA, play a crucial role during translation. This phase occurs in the cytoplasm or ER, where proteins are synthesized after the DNA-to-RNA transcription within the cell's nucleus. This entire process is recognized as gene expression.
Among the three forms of RNA, tRNA is the smallest, consisting of only 75 to 95 nucleotides, and functions to transport specific amino acids to the developing polypeptide chain. It can be concluded that mRNA enhances the variety of polypeptide structures by carrying essential information regarding their synthesis.
