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The interaction of which two systems provides the molecules needed for the metabolic activity that takes place at ribosomes?
The interaction of the endocrine system and the circulatory system provides the molecules needed for the metabolic activity that takes place at ribosomes. The endocrine system regulates the release of hormones that signal cells to produce specific molecules, and the circulatory system transports these molecules to the cells, including ribosomes, where they are used for metabolic processes.
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The antimicrobial activity of chlorine is due to which of the following?
The antimicrobial activity of chlorine is due to its ability to disrupt the cellular structures and metabolic processes of microorganisms, such as bacteria and viruses. Chlorine can penetrate cell walls and damage essential molecules like DNA and proteins, leading to the inactivation and death of the microorganisms.
What metabolic property characterizes bacteria that possess oxidase activity?
Bacteria that possess oxidase activity have the enzymes necessary to perform oxidative phosphorylation, a metabolic process that involves transferring electrons from donors to oxygen as the final electron acceptor. This process ultimately generates ATP, the energy currency of the cell. Oxidase activity is typically a characteristic of aerobic bacteria that can use oxygen in their metabolic pathways.
What is Fluorine-18 used in?
Fluorine-18 is commonly used in positron emission tomography (PET) imaging. It is incorporated into molecules such as fluorodeoxyglucose (FDG), which can help visualize metabolic activity in tissues and organs to aid in the diagnosis and monitoring of various diseases, including cancer.
What is a hydrolytic activity?
Hydrolytic activity is the process of breaking down large molecules into smaller components by adding water molecules. This process is commonly carried out by enzymes to facilitate digestion and other biological processes.
How does temperature affect oxygen consumption?
As temperature increases, so does the rate of oxygen consumption in organisms, including humans. This is because higher temperatures lead to higher metabolic rates due to increased enzyme activity. Conversely, lower temperatures decrease oxygen consumption due to reduced metabolic activity.
What is metabolic activity in a cell?
Metabolic activity is the constant flow of molecules through metabolic pathways that maintains an organism's life.
Are there 705 ribosomes in mitochondria?
That is not 705 ribosomes.They have 70s ribosomes.
What are the functions of free ribosomes?
Free ribosomes usually make proteins that will function in the cytosol, while bound ribosomes usually make proteins that are exported or included in the cell's membranes. Interestingly enough, free ribosomes and bound ribosomes are interchangeable and the cell can change their numbers according to metabolic needs.
Name three cellular components in metabolism that are influenced by temperature changes?
Enzymes: Temperature changes can affect the activity and efficiency of enzymes, impacting metabolic reactions. Membranes: Temperature changes can alter membrane fluidity, affecting the transport of molecules across the cell membrane and disrupting metabolic processes. Mitochondria: Temperature changes can impact mitochondrial function, affecting energy production through oxidative phosphorylation and overall metabolic activity within the cell.
What is metabolic activity?
Metabolic activity is the activity in which the chemical transformations occur within the cells of living organisms. Metabolic activity is used to maintain an organisms life.
How many ribosomes are in a plant cell?
A plant cell can have thousands to millions of ribosomes, depending on its metabolic activity and protein synthesis needs. Ribosomes are essential for protein production in cells and are found in the cytoplasm as well as on the endoplasmic reticulum in plant cells.
Why do all cells need ribosomes?
All cells need ribosomes because that is where protein synthesis takes place. Proteins are required for enzymatic activity, cellular structures and functioning, metabolic activity, and are essential for life to occur. Even viruses, which are not considered living but organic molecules, are composed of proteins.Ribosomes are composed of ribosomal RNA and proteins. This RNA is synthesized and ribosome assembly takes place in the nucleolus of the nucleus in eukaryotes.Yes, all healthy animal cells contain ribosomes.
What is the difference between ribosomes and ribozymes?
Ribosomes are cellular organelles that are responsible for protein synthesis, while ribozymes are RNA molecules that have catalytic activity and can catalyze specific biochemical reactions. Ribosomes are composed of both proteins and RNA, while ribozymes are made entirely of RNA.
What is an organisms chemical activity called?
metabolic activity
What has the author Scott Allen Hilbert written?
Scott Allen Hilbert has written: 'Use of ribosomal RNA content as an indicator of the metabolic activity of suspended and attached bacteria' -- subject(s): RNA, Ribosomes, Microbiology
How are metabolic pathways regulated to maintain cellular homeostasis?
Metabolic pathways are regulated through feedback mechanisms and enzyme activity to maintain cellular homeostasis. This ensures that the production and breakdown of molecules within the cell are balanced, allowing for proper functioning and stability.
Why do cells need a ribosomes?
Every cell needs ribosomes because ribosomes make proteins by assembling chains of amino acids. An amino acid is any of about 20 different organic molecules that are used to make proteins. All cells need proteins to live. Thus, all cells have ribosomes.
