In what ways are macromolecules essential to life? Describe the structures of three and describe their major role(s) in organisms
What will be an ideal response?
Macromolecules provide critical components of organismal structure, energy storage and mobilization, and genetic coding, to name just a few of their many roles. Carbohydrates are made of carbon, hydrogen, and oxygen and have the general formula CH2O. Carbon and water exist in a 1:1 ratio. They are the primary components of plant cell walls and are the preferred energy source for many organisms. Proteins are chains of amino acids (amine group + carboxyl or acid group + central carbon). They are primarily structural molecules. They are blood transporters, aid in the function of the immune system, and promote metabolic reactions. Most enzymes are proteins. Nucleic acids are made of chains of nucleotides (phosphate + sugar + nitrogenous bases). They carry genetic information (genes) that coordinates all organismal functions and passes traits from generation to generation.
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There is a tremendous amount of gold dissolved in the ocean. Why is this amount not included when totaling the worldwide gold reserves?
A. It is uneconomical to extract. B. International regulations prohibit it. C. There is a lack of technological know how. D. There are environmental concerns.
The organization "Freedom on the Net"
A) measures the level of internet and digital freedom across 65 countries. B) measures the purchasing power of 16 - 25 year olds in the United States. C) measures the ability of political prisoners to gain access to social media. D) measures the ability of U.S. military personnel to use social media while on duty. E) measures the use of technology in classrooms.
During the monsoon season, rainfall is enhanced by weak, westward-moving low-pressure areas called ____________________, whose formation is aided by an upper-level jet stream
Fill in the blank with correct word.
The most important process of cloud formation in the atmosphere is ________.
cooling by compression of air cooling by release of latent heat and vaporization cooling by expansion of air radiation cooling