SDG 15 (LoL)

Question 1

Universal Features of Life

Answer 1

1. All Cells Store Their Hereditary
   Information in the Form of Double Strand DNA Molecules
2. All Cells Replicate Their Hereditary
   Information by Templated Polymerization
3. All Cells Transcribe Portions of Their DNA into RNA Molecules
4. All Cells Use Proteins as Catalysts
5. All Cells Translate RNA into Protein in the Same Way
6. Each Protein Is Encoded by a Specific Gene
7. Life Requires a Continual Input of Free Energy
8. All Cells Function as Biochemical
   Factories
9. All Cells Are Enclosed in a Plasma
   Membrane Across Which Nutrients and Waste Materials Must Pass
10. Cells Operate at a Microscopic Scale Dominated by Random Thermal Motion
11. A Living Cell Can Exist with 500 Genes

Question 2

All Cells Store Their Hereditary Information in
the Form of —————

Answer 2

Double-Strand DNA Molecules

Question 3

Nature’s most abundant organic substance

Answer 3

Carbohydrates

Question 4

what is the major difference in Purines and Pyrimidines

Answer 4

Purines = double ring
Pyrimidines = single ring

Question 5

Building blocks of nucleic acids

Answer 5

Nucleotide = N base + Pentose sugar + Phosphate

Question 5

Function as fuel storage and building material

Answer 5

lipids

Question 6

List the bases categorized as Purines; as Pyrimidines

Answer 6

Purines = Adenine & Guanine
Pyrimidines = Thymine, Cytosine, & Uracil