Archive day

March 7, 2026

243 public questions were asked on this day.

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Select the true statements. A peptide has one amino acid. A peptide has carbon, nitrogen, oxygen, and hydrogen atoms. A peptide bond links amino acids together. Two amino groups combine to make a peptide bond.
Asked by Geesh 1 answer
Select the true statements. Chemical elements from sugars can be used to make amino acids. Cells combine amino acids to make new proteins. All amino acids must be consumed in foods. Essential amino acids are made in huma...
Asked by Geesh 1 answer
1) Select the true statements. Amino acids are monomers. All proteins are made from the same amino acid. Each amino acid has a unique R-group. Amino acids have carbon, hydrogen, oxygen, and nitrogen atoms.
Asked by Geesh 1 answer
Select the true statements. Chicken and beans are protein sources. Proteins are the primary energy source for cells. Proteins are found only in animals. Proteins help muscles contract.
Asked by Geesh 1 answer
Label the following property of phospholipids, triglycerides, or both. 1)) Complete the table. phospholipids triglycerides provide insulation for the body contain a glycerol molecule contain a hydrophilic head are amphip...
Asked by Geesh 1 answer
Select the true statements. 4 / / / Fatty acid chains in a phospholipid have nitrogen and phosphorus atoms. Unlike triglycerides, phospholipids have a phosphate group and two fatty acid chains. Fatty acids in a phospholi...
Asked by Geesh 1 answer
Select the true statements. There is only one type of lipid molecule. Eggs, cheese, and olive oil are dietary sources of lipids. Steroids form protective barriers on plants. Phospholipids are a type of lipid.
Asked by Geesh 1 answer
Label the following with Lipids are a diverse group of biological macromolecules that include triglycerides, phospholipids, waxes, and steroids. The structure of each type of lipid impacts its function. )) Determine whet...
Asked by Geesh 1 answer
Label the following with property of phospholipids, triglycerides, or both. phospholipids triglycerides build cell membranes are energy-storage molecules contain nonpolar fatty acids contain a polar phosphate group
Asked by Geesh 1 answer
Explain why phospholipids dropped in water form a micelle. Complete the paragraph. . The phospholipid ____ face away from the water because they are _____. The phospholipid ______ face toward the water because they are__...
Asked by Geesh 1 answer
Complete the sentence. ) A phospholipid is amphipathic because its phosphate head is___and _____ , while its fatty acid tails are_____ and___
Asked by Geesh 1 answer
Select the true statements. Phospholipids are used to build cell membranes. Fatty acids in a phospholipid are called tails. A phospholipid is made when one glycerol molecule combines with three fatty acids. Unlike trigly...
Asked by Geesh 1 answer
Select the true statements. One gram of carbohydrate provides less than half the amount of energy in one gram of fat. Fats provide energy for the body during rest. Fat-soluble vitamins are dissolved by triglycerides. Fat...
Asked by Geesh 1 answer
Select the true statements. In cells, fatty acid and glycerol molecules are combined to make triglycerides. Triglycerides from food are broken down in the stomach. Triglycerides are stored until they are needed for energ...
Asked by Geesh 1 answer
Which is stearin and/ or triple in is likely solid at room temperature is a saturated fat is likely liquid at room temperature is an unsaturated fat
Asked by Geesh 1 answer
How many molecules of stearic acid are needed to make one molecule of stearin?
Asked by Geesh 1 answer
Place these triglycerides, phospholipids, and steroids. In the following triglycerides phospholipids steroids have carbon atoms arranged in long chains have carbon atoms arranged in rings are a type of lipid
Asked by Geesh 1 answer
Select the true statements. Steroids help regulate growth in the body. Steroids contain nitrogen atoms. Steroids have carbon atoms arranged in rings.
Asked by Geesh 1 answer
Select the true statements. Phospholipids have carbon atoms arranged in two long chains. Phospholipids contain only carbon and hydrogen atoms. Cell membranes contain phospholipids.
Asked by Geesh 1 answer
Select the true statements. Triglycerides have mostly carbon and hydrogen atoms. Fats contain nitrogen atoms. Triglycerides have carbon atoms arranged in rings.
Asked by Geesh 1 answer
Lipids are mostly____ in water due to their many ____ chemical bonds.
Asked by Geesh 1 answer
Select the true statements. Walnuts, salmon, and butter are dietary sources of lipids. Lipids are used to build cell membranes. Lipids are used for quick-acting, short-term energy in cells. Steroids are a type of lipid.
Asked by Geesh 1 answer
Select the true statements. Disaccharides are made by joining two monosaccharides. Plants with high levels of sucrose are used to make granulated sugar. Glucose is a disaccharide.
Asked by Geesh 1 answer
Compare glucose, fructose, and galactose. Select the true statements. Fructose has a six-atom ring. Only galactose has oxygen atoms. All three molecules have six carbon atoms. Glucose, fructose, and galactose are monosac...
Asked by Geesh 1 answer
What is the chemical formula of galactose?
Asked by Geesh 1 answer