BIOL 111: Cell Biology Assignment Sample NZ
Cell biology is the study of cells and their functions. Cell biologists investigate what each cell does, how they are organized in tissues, how they work together to form organs and systems in the body, and how diseases affect cells. The field also investigates where all these cells come from in a developing embryo or when new skin forms after a wound heal.
A cell is the smallest structural and functional unit of life. Cells are distinguished from other objects by several features: they are very small, they have a distinctive shape, and they are able to carry on chemical reactions that allow them to grow, divide, and specialize in certain ways. Cells arise from pre-existing cells through a process called cell division. Cells are also able to interact with their environment, exchanging substances with the surrounding tissues.
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Get individual Assignment Sample For (BIOL 111) Cell Biology Unit
This unit will increase your students’ knowledge and understanding of the subject. The following are some tasks that will be answered in this course:
Assignment Task 1: Elaborate on the underlying biochemistry in cellular processes
The biochemistry behind cellular processes is extremely complicated and nuanced. In short, the process of converting food into usable energy is mediated by enzymes, which are proteins that catalyze chemical reactions. These enzymes allow cells to extract energy from food, convert it into molecules that the cell can use, and carry out other biochemical processes necessary for life.
Enzymes are highly specific in their function, and can only catalyze a certain set of chemical reactions. This specificity is what allows them to carry out complex biochemical pathways without getting bogged down or going off course. Additionally, enzymes often work in pairs or groups to carry out more complex tasks. By understanding the chemistry behind enzymes and how they interact with one another, scientists are able to develop medications that inhibit cell processes for therapeutic purposes.
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Assignment Task 2: Describe the processes that occur in cells for them to function and to produce more cells
Cell function can be summarized by three main activities: uptake and use of nutrients, production of energy, and replication of DNA.
Uptake and use of nutrients refer to the process by which cells take in molecules from their environment and convert them into new cellular material. This process is mediated by enzymes, which break down large molecules into smaller ones that cells can use. These smaller molecules are then transported through the cell membrane and into the cytoplasm to be used in cellular processes.
Production of energy refers to the process by which cells convert energy-containing molecules into usable forms that they can store and use to carry out their functions. This process is also mediated by enzymes and allows cells to produce the molecules they need to make new cellular material and carry out other processes.
Finally, replication of DNA is the final stage by which cells create identical copies of their genetic material before splitting into two new cells. As with all cellular functions, this process relies on enzymes that allow cells to read and copy their existing DNA, then split into two new cells.
Assignment Task 3: Summarize how DNA is organized in cells, replicated in cells, and transmitted into new cells
In order to understand how DNA is organized in cells, it is first necessary to understand what DNA is. DNA stands for deoxyribonucleic acid and is a large molecule that contains the genetic information cells need to function. This information is encoded in the sequence of bases, which are pairs of molecules that make up the DNA strand.
DNA is organized in cells in the form of chromosomes. Chromosomes are organized into compact structures called nuclei, which house several different aspects of cellular information including DNA molecules.
Replication refers to how DNA is copied so that identical copies exist before cell division. During this process, enzymes read the sequence of bases on each strand and produce new molecules that are completely identical to the original one. As with all cellular processes, replication is highly specific and can only occur in a certain way. Finally, DNA is duplicated by chromosomes during cell division so that each new daughter cell receives a complete set of genetic information.
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Assignment Task 4: Compare how DNA is involved in producing proteins (replication, translation, regulation) between prokaryotes and eukaryotes
In prokaryotes, DNA is not enclosed within a membrane-bound nucleus and instead exists as a single, circular molecule. This makes it easier for prokaryotes to replicate their DNA, as there is no need to duplicate the entire chromosome. Additionally, translation of DNA into proteins occurs directly on the DNA molecule itself, without the need for the complicated protein factories called ribosomes. Prokaryotes can regulate DNA replication and translation by regulating factors such as enzyme concentration and temperature, which is why they are not as reliant on specialized cellular structures to function.
Eukaryotic cells use a more complex process to carry out DNA replication and protein production than prokaryotes. DNA is contained within a membrane-bound nucleus and is organized into chromosomes, which makes it more difficult to replicate. Additionally, protein synthesis occurs in specialized organelles called ribosomes, which are not present in prokaryotes. Eukaryotes can regulate DNA replication and translation by regulating factors such as enzyme concentration and temperature, as well as by controlling the activity of specific genes. This level of regulation is necessary for the specialized functions that eukaryotic cells carry out.
In order to understand how DNA is involved in producing proteins, it is important to first understand what proteins are. Proteins are large molecules that are responsible for carrying out most of the cellular processes that occur in the body. They are composed of smaller molecules called amino acids, which are arranged in a specific sequence to create a protein’s unique structure.
Proteins are produced by a process called translation, which occurs when the information encoded in DNA is read and used to create a new protein molecule. This process takes place in ribosomes, which are the protein factories of cells. Ribosomes are complex structures that have several different parts, including RNA molecules and enzymes. The process of replication makes it possible to produce identical copies of a given protein molecule, while regulation ensures that proteins are produced at precisely the right time and place during cellular processes.
The organization of DNA in prokaryotes and eukaryotes, as well as the way that translation and replication occur, plays a major role in determining the proteins that are produced by a cell. Prokaryotes are able to produce a wide variety of proteins because their DNA is not organized into chromosomes and translation occurs directly on the DNA molecule. Eukaryotes are able to produce a narrower range of proteins because their DNA is organized into chromosomes and translation occurs in ribosomes. Additionally, eukaryotes are able to regulate the production of specific proteins by controlling the activity of specific genes. This level of regulation is necessary for the specialized functions that eukaryotic cells carry out.
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