Question

question 1-10
table with columns: molecule 1, molecule 2, molecule 3, molecule 4; rows: monomers, example, use. molecule 1: monomers=contain sugar, phosphate and nitrogen base; example=a; use=hereditary information. molecule 2: monomers=monosaccharides; example=glucose; use=b. molecule 3: monomers=c; example=steroid; use=energy storage. molecule 4: monomers=contain amino and carboxyl groups; example=d; use=reaction regulation, transport, movement.
which of the following correctly completes the table?
options: 1. a=dna or rna, b=fuel and support, c=galactose and glycogen, d=nucleic acids and fatty acids; 2. a=dna or rna, b=fuel and support, c=fatty acids and glycerol, d=hemoglobin and amylase

Explanation:

1. Analyze Molecule 1: Monomers have sugar, phosphate, nitrogen base (nucleotides), so A should be DNA/RNA (nucleic acids).
2. Analyze Molecule 2: Monomer is monosaccharide (carbohydrate), use is fuel/support (B: fuel and support).
3. Analyze Molecule 3: Example is steroid (lipid), monomers of lipids (fats) are fatty acids + glycerol, so C: fatty acids and glycerol.
4. Analyze Molecule 4: Monomers have amino/carboxyl (amino acids, proteins), examples like hemoglobin (transport) and amylase (enzyme, reaction regulation) fit, so D: hemoglobin and amylase.

Answer:

A: DNA or RNA, B: fuel and support, C: fatty acids and glycerol, D: hemoglobin and amylase (the option with these completions, likely the second marked option in the image)