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An Infectious particle made up of protein rather then DNA or RNA?
A prion is an infectious particle composed solely of protein that can cause abnormal folding of other proteins in the brain, leading to neurodegenerative diseases like mad cow disease. Prions are known for their unique ability to self-replicate by inducing normal host proteins to adopt the misfolded prion form.
Is human male sperm a protein?
Human male sperm is not solely a protein; it is a complex mixture of various components including proteins, enzymes, sugars, and other substances. Proteins make up a significant portion of sperm, but they are not the exclusive component.
How are protein separated by sds page?
Proteins are separated by SDS-PAGE based on their molecular weight. SDS denatures the proteins and gives them a negative charge, allowing them to be separated solely based on size as they migrate through the gel matrix towards the positive electrode. Smaller proteins move faster through the gel, while larger proteins migrate more slowly, resulting in separation based on size.
Why polypeptide chains are always called as protein but Proteins are not always polypeptide chains?
Peptides (from the Greek πεπτίδια, "small digestibles") are short polymers formed from the linking, in a defined order, of α-amino acids. The link between one amino acid residue and the next is known as an amide bond or a peptide bond. Proteins are polypeptide molecules (or consist of multiple polypeptide subunits). The distinction is that peptides are short and polypeptides/proteins are long.
What are the consequences of not having mitochondria?
The absence of mitochondria would result in the inability to produce ATP through cellular respiration, leading to a lack of energy for cellular functions. Cells would rely solely on anaerobic metabolism, which is less efficient and can lead to the accumulation of toxic byproducts. Overall, it would severely impact the organism's ability to generate energy and perform vital functions.
Protoplasm consists of numerous combinations of 22 proteins?
Protoplasm is a complex substance found inside cells, composed of various molecules such as proteins, lipids, carbohydrates, and nucleic acids, rather than solely 22 proteins. These molecules work together to support cellular functions like metabolism, growth, and reproduction.
How do prions differ from viruses and bacteria?
Prions are unique infectious agents composed solely of misfolded proteins, lacking nucleic acids, while viruses are made up of genetic material (DNA or RNA) encased in a protein coat and require a host cell to replicate. Bacteria are single-celled organisms with a cellular structure, capable of independent metabolism and reproduction. Unlike viruses and bacteria, prions propagate by inducing abnormal folding in normal proteins, leading to neurodegenerative diseases without any genetic material involved.
Does all the living organisms are composed of proteins?
No, not all living organisms are composed solely of proteins. Living organisms are composed of a variety of molecules, including proteins, lipids, carbohydrates, nucleic acids, and other organic molecules that perform various functions within cells and organisms. Proteins are essential components of living organisms and play diverse roles in structure, catalysis, signaling, and regulation.
What pathogen is a packet of proteins with no RNA or DNA?
A prion is a pathogen that consists solely of proteins and lacks both RNA and DNA. Prions are known to cause degenerative neurological diseases in animals and humans by inducing normal proteins to misfold and aggregate, leading to cellular damage.
Are viroid only made of rna?
Yes, viroids are solely composed of RNA. They are small, circular RNA molecules that do not encode proteins and are known to cause diseases in plants. Unlike viruses, viroids lack a protein coat and rely on host cellular mechanisms for replication. Their simplicity distinguishes them from more complex infectious agents.
Who composed solely for the piano?
Frederic Chopin.
What is true about genes chromosomes and proteins?
all genetic material.. each part makes up the other.. example.. proteins have genes which has chromosomes which consists of DNA
Is human hair and nails composed of solely keratin?
yes
Is the iliopsoas composed solely of the psoas major and the iliacus?
yes.
Is coal composed solely of pure carbon?
No, coal is not composed solely of pure carbon. It also contains other elements such as hydrogen, sulfur, oxygen, and nitrogen.
What kind of pathogen causes clumps of misfolded proteins to form in the brain?
Clumps of misfolded proteins in the brain are typically caused by prions, which are infectious agents composed solely of protein. These misfolded proteins can induce normal proteins to also misfold, leading to neurodegenerative diseases such as Creutzfeldt-Jakob disease and mad cow disease. Prions are unique in that they lack nucleic acids, distinguishing them from other pathogens like bacteria and viruses.
What atoms are in sodium?
Sodium is an element, therefore it is composed solely of sodium atoms.
