Respuesta :
Answer:
A molecule made primarily of amino acids with carbohydrate side chains would be described as a glycoprotein.
Endocytosis is the process of bringing substances into a cell
The structural framework of a cell is the cytoskeleton.
Small structures in the nucleus of cells responsible for producing ribosomal subunits are called nucleolus
The sequence on tRNA that is opposite to the codon on mRNA is the anticodon
The process during which a cell eats itself is referred to as autophagy
Explanation:
A glycoprotein is a protein that also contains carbohydrate side chains (i.e. it is not made up solely of amino acid chain). Glyco=sugar, so this is an easy way to remember what glycoproteins are. The carbohydrate side chains are covalently attached to the protein after the polypeptide has been synthesised and the protein has formed its structure. Glycoproteins are often important components of the cell membrane.
Endocytosis (endo means within, and cytosis means relating to the cell) refers to processes in which cells bring substances inside the cell. The substance is internalised by the movement of the cell membrane, which eventually envelopes the substance entirely and forms a vesicle. There are three different types, phagocytosis (cell eating), pinocytosis (cell drinking) and receptor-mediated endocytosis, which involves cell signalling through membrane receptors).
The cytoskeleton is an important structure, helping the cell maintain its shape, structure and internal organization. It also helps with cell movement and cell division. The cytoplasm is made up of different types of proteins that form microtubules and filaments, that work in a variety of ways to help the cell move, divide, form a stable structure and organise the organelles and other components.
The nucleolus is a sub-compartment of the eukaryotic nucleus that is principally known for its role in the transcription of ribosomal RNAs and ribosomal subunits, and is therefore crucial in ribosome biogenesis The nucleolus is not membrane bound, but it is a dense structure that is easy to identify in the mammalian nucleus.
tRNAs (or transfer RNAs) are important the translation of an mRNA sequence into a polypeptide sequence. The mRNA sequence can be divided into codons, each specifiying a particualr amino acid. The codons are translated into an amino acid sequence by tRNAs, which carry an anticodon sequence. tRNAs each possess an amino acid, and can recognise the mRNA codon through their anticodon, thereby assembling the correct sequence of amino acids in a synthesising protein.
Autophagy is an important process in the body, whereby unhealthy or damaged cells are targeted for destruction. This allows for the regeneration of new cells. This process involves a tightly regulated system, where cells are broken down and their components are recycled. This is an important anti-cancer mechanism.
