which of the following are the roles of proteins. select all that apply. - nutrient transport synthesis of molecules - breakdown of molecules - cellular structure - storing information
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which of the following are the roles of proteins. select all that apply.
- nutrient transport
synthesis of molecules
- breakdown of molecules
- cellular structure
- storing information
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- Match each description with either vitamin or mineral: organic molecules [ Choose ] charged single elements or compound [ Choose ] higher risk of being destroyed via cooking [ Choose ] and light exposure soil content affects how much is in the plant [ Choose ] foods we eat some are water soluble and some are fat [ Choose ] soluble all are water soluble [Choose ] examples include alpha-tocopherol and retinoic acid [ Choose] examples include iron and potassium [ Choose ] > > > > > > > >Which of the following is correct? protein: energy storagenucleic acids: structural framework lipids: information encoding polysaccharide: energy storage none of the above.Which of the following biological molecules exhibit the characteristics of saturation, specificity and competition?carbohydratesenzymeslipids and proteinsnucleotideslipids
- Which of the following statements is TRUE about phospholipids?Which of the following are important factors in the folding of globular proteins in the cytosol? Select as many as apply. Non-polar side chains are normally found on the exterior of proteins Proteins are hydrophobic polymers The cytosol is an aqueous environment. Non-polar side chains tend to group together away from water Proteins are composed of nucleotides Proteins contain both polar and non-polar side chains Peptide bonds are very weak and easily brokenWhich of the following statements about glycosylation is true? the oligosaccharide on a protein leaving the ER usually is the same as an oligosaccharide transferred to that protein from dolichol the oligosaccharide transferred from dolichol is composed only of mannose glycosylation can occurs before the protein has finished its entry into the endoplasmic reticulum O cytosolic proteins are never glycosylated
- Lectins are a class of: sugar complexes that bind to proteins on the cell surface. lipids that bind to proteins on the cell surface. proteins that bind to sugar complexes on the cell surface. proteins that bind to lipids on the cell surface. None of these are correct.Which biomolecule is correctly characteristed? A Lecithin phosphorylated glyceride found in cell membrane B Palmitic acid unsaturated fatty acid with 18 carbon atoms c Adenylic acid adenosine with glucose phosphate molecule D Alanine amino acid contains an amino acid and an acidic group anywhere in the molecule.Which of the following would require a protein for movement into and out of the cell? Glucose Carbon dioxide Methane Acetone
- Which of the following functions is NOT or cannot be performed by lipids? They can serve as chemical messengers. They can help in the selective permeability of membranes. They can form pores for the thermodynamically favored passage of ions across membranes. They can bind to DNA response elements to control gene expression.Where is the energy stored in a molecule of ATP? In adenine In the bonds between the sugar Between the sugar and the first phosphate molecule Between the second and third phosphate molecules. None of the aboveWhich best explains why molecules are classified as lipids? They contain phosphorus They form a double layer They are made up of fart acids They are found in the cell membrane
