There are four main groups of macromolecules:
1. Nucleic acids (DNA and RNA)-monomers are nucleotides; provide genetic information
2. Proteins-monomers are amino-acids; structural, catalytic, regulatory roles
3. Lipids (fats)-monomer units are free fatty acids; structural, energy, insulation roles
4. Carbohydrates (sugars)-monomer units are monosaccharides (like glucose); energy source, structural function.
Answer: C.) Prediction, tentative, one or more scientists working together.
Explanation:
The prediction, tentative, one or more scientists working together is the correct option which describes a hypothesis. This is because of the fact that an hypothesis is an presumed statement of facts which is required to be tested by using suitable methodology. Scientists basically base their scientific hypothesis keeping in mind the previous theories or observation which were not proved satisfactorily earlier or exhibit some doubtful facts which are taken important for verification.
Answer:
melanin affects how one looks (1st question)
cause and effect (2nd question)
Explanation:
for the 2nd question, its cause and effect because uv rays hit our skin and our skin is affected which gives us suntan.
Answer:
things such as termites, slugs, scorpions, worms, and fungi
Answer:
Sympathetic Nervous system
Explanation:
The sympathetic nervous system is the part of the nervous system that is responsible for "Fight or flight" reactions.
