Question

a. deoxyribonucleic (dna - double helix) contain the sugar deoxyribose
b. ribonucleic (rna - single strand) - contain the sugar ribose
diagram of dna (double helix) with bases: adenine, guanine, cytosine, thymine; and rna (single strand) with uracil
answer the following questions.

1. what are the structural differences between saturated and unsaturated fat? draw the structure of...

Explanation:

Saturated fat has single - bonded carbon chains (no double bonds), is solid at room temp (e.g., butter), and has a straight structure. Unsaturated fat has one or more double bonds in carbon chains, is liquid (e.g., oil), and has a bent structure due to double bonds.

Answer:

• Saturated Fat Structure: Consists of fatty acid chains with only single covalent bonds between carbon atoms. The carbon chain is straight, allowing molecules to pack closely, so it's solid at room temperature. (Draw a straight chain of carbon atoms with single bonds, each carbon bonded to hydrogens and other carbons, and the fatty acid attached to a glycerol backbone.)
• Unsaturated Fat Structure: Has one or more double covalent bonds between carbon atoms in the fatty acid chain. The double bond causes a “kink” or bend in the carbon chain, preventing close packing, so it's liquid at room temperature. (Draw a carbon chain with one or more double bonds (causing a bend) and the fatty acid attached to a glycerol backbone.)