Answer:
Protein A can be a cytoplasmic and protein B can be a membrane protein.
Explanation:
The polar amino acid will have the hydrophilic side chain so they provide the hydrophilic nature to protein and thats why usually found on outer surface of water souluble proteins.
Cytoplasm is 80% water, so these proteins usually found in cytoplasm.
The non-polar amino acid will have the hydrophobic side chain and thus provide hydrophobic nature to protein and usually found in interior portion of membrane protein.
Plasma membrane is made up of hydrophobic lipids bilayer, so these proteins are usually found in plasma membrane.
I would say, C. Because an controlled variable is an experimental element which is constant and unchanged throughout the course of the investigation.
your answers are b., travel, & E., loosely packed soil
An organ system is a group of organs that work together to perform one or more functions.
Answer:B. Sugar are produced
Explanation: when green leaves absorb sunlight it is converted to Energy by photosynthesis.
