Q: What is the respiratory pigment of almost every vertebrate? Choices: - insulin - plasma - iron - hemoglobin A:
hemoglobin

Q: Whether the organism is a bacterium, plant, or animal, all living things access energy by breaking down these? Choices: - lipid molecules - protein molecules - oxygen molecules - carbohydrate molecules A:
carbohydrate molecules

Q: Q: What are proteins encoded by? Choices: - DNA - RNA - codons - genes A:
A: genes

Question: Q: Covalent bond energies can be used to estimate the enthalpy changes of what? Choices: - crystals reactions - Pressure reactions - liquid reactions - chemical reactions A:
Answer: chemical reactions

*Question*
Q: Amino groups are found within amino acids, nicknamed the building blocks of what? Choices: - lipids - protons - carbohydrates - proteins A:
**Answer**
proteins

Q: Q: The development of specific structures in specific locations is called what? Choices: - speciation - specialty skills - adaptation - pattern formation A:
A: pattern formation