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BI449 Molecular and Cellular Biology Assignment Example NUI Galway Ireland

BI449 Molecular and Cellular Biology course cover the structure and function of cells and their organelles. Topics include cell biology, biochemistry, genetics, and immunology. In the lecture portion of the course, students will learn about the major molecules in cells and their roles in cellular processes. This will include an overview of DNA replication, transcription, translation, and protein folding.

Students will also learn about the structure and function of cellular organelles, such as the nucleus, mitochondria, and chloroplasts. We will also look at some of the latest research in the field, and see how it is helping us to understand everything from cancer to genetic disorders.

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In this course, there are many types of assignments given to students like a group project, individual assignment, continuous assessment, report, business plan, business proposal, executive summary, and other solutions are given by us.

In this section, we are describing some assigned activities. These are:

Assignment Brief 1: Demonstrate an understanding of the molecular organisation of chromosomes.

The chromosomes in a cell are made up of DNA, which is tightly coiled around proteins called histones. Each chromosome has a unique structure that allows it to be replicated and passed on to the next generation of cells. The DNA in chromosomes is arranged in a double helix, with each strand of the helix paired with its complementary strand. This arrangement allows the DNA to be replicated accurately.

The proteins that makeup chromosomes are arranged in a specific way that helps to control which genes are expressed. The structure of chromosomes also plays a role in cell division, ensuring that each new cell receives a copy of all the chromosomes.

Chromosomes are found in the nucleus of cells, which is an organelle that contains the cell’s genetic material. The nucleus is surrounded by a membrane, and within this membrane are the chromatin fibers that makeup chromosomes.

During cell division, the chromatin fibers coil up even tighter, so that each chromosome is visible. This allows the chromosomes to be separated into the two new cells, ensuring that each cell receives a complete set of chromosomes.

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Assignment Brief 2: Demonstrate detailed understanding of DNA replication in cell division, and of cell cycle regulation.

DNA replication is a process that occurs during cell division, in order to make sure that each new cell receives a complete set of chromosomes. This process starts with the unzipping of the double helix structure of DNA, so that each strand can serve as a template for the formation of a new complementary strand. RNA polymerase enzymes then attach to the DNA and start moving along the template strands, building new complementary DNA strands.

The cell cycle is regulated by a number of different proteins, including cyclins and cyclin-dependent kinases (CDKs). These proteins work together to control when each stage of the cell cycle should occur. For example, cyclins are responsible for triggering the start of DNA replication, while CDKs are responsible for promoting cell division.

The cell cycle is divided into four phases: G1, S, G2, and M. The G1 phase is the first stage of the cell cycle, and it occurs when the cell is not actively dividing. The S phase is the DNA replication phase, while the G2 phase is when the cell prepares for division. The M phase is when the cell actually divides into two new cells.

Assignment Brief 3: Demonstrate detailed knowledge of genome stability and DNA repair pathways.

The genome is the complete set of genetic instructions for a cell. Genome stability is the maintenance of this genetic information over time, and it is essential for the survival of cells.

DNA repair is a process that helps to keep the genome stable by repairing damaged DNA. There are many different DNA repair pathways, and they all work together to maintain the integrity of the genome.

One of the most important DNA repair pathways is called base excision repair. This pathway repairs damage to DNA that has been caused by chemicals, UV light, or other agents. The first step in this pathway is the removal of the damaged base from the DNA strand. The next step is the insertion of a new base, which is complementary to the other strand of DNA.

Another important DNA repair pathway is called nucleotide excision repair. This pathway repairs damage to DNA that has been caused by UV light or other agents. The first step in this pathway is the removal of the damaged nucleotides from the DNA strand. The next step is the insertion of new nucleotides, which are complementary to the other strand of DNA.

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Assignment Brief 4: Demonstrate detailed knowledge of molecular mechanisms of cell death, in particular apoptosis.

Cell death is a normal process that happens in all cells. There are two main types of cell death: apoptosis and necrosis.

Apoptosis is a type of cell death that is programmed by the cell. It is a controlled process that happens in response to stimuli, such as damage to the DNA or infection by a virus. Necrosis is a type of cell death that is not programmed by the cell. It is an uncontrolled process that happens in response to stimuli, such as damage to the cell membrane or exposure to toxins.

The main difference between apoptosis and necrosis is that apoptosis is a controlled process, while necrosis is an uncontrolled process. Apoptosis is also generally more efficient than necrosis, and it causes less damage to the surrounding cells.

The molecular mechanisms of apoptosis are still not fully understood, but there are a number of different proteins that are involved in this process. The most important protein is called caspase, which is responsible for the activation of apoptosis. Caspases are activated by a variety of different stimuli, and they cleave a number of different proteins. This leads to the activation of other caspases, which leads to the death of the cell.

Other proteins that are involved in apoptosis include Bcl-2 family proteins, which regulate the activity of caspases; and inhibitors of apoptosis proteins, which block the activation of caspases.

Assignment Brief 5: Explain the relationship between these processes and the development of cancer and other diseases.

Genome stability, DNA repair, and apoptosis are all essential processes that help to maintain the integrity of the genome. They play an important role in the prevention of cancer and other diseases.

Genome instability is a major cause of cancer. When the genome is unstable, it can lead to the development of cancerous cells. DNA repair pathways help to keep the genome stable, and they can prevent the development of cancerous cells.

Apoptosis is a programmed cell death that helps to remove damaged or infected cells. If apoptosis is not working properly, it can lead to the development of cancer and other diseases.

Cancer is a disease that is caused by the uncontrolled growth of cells. When DNA repair pathways are not working properly, or when apoptosis is not working properly, it can lead to the development of cancer.

Other diseases that can be caused by genome instability, DNA repair defects, or apoptosis defects include Aging; Alzheimer’s disease; Parkinson’s disease; Huntington’s disease; Cardiovascular disease; Autoimmune diseases and etc.

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