Answer:
C.Because of hunting, species such as bears and wolves are in danger of extinction.
The major difference between these two types of protein is that structural proteins are used as structures while functional proteins perform specific active functions in the cells.
Answer:
sun and electric heater
Explanation:
sun is the biggest source of heat energy
electric heater is also an example of heat energy as it warms us
Answer:
Transport proteins act as doors to the cell, helping certain molecules pass back and forth across the plasma membrane, which surrounds every living cell. In passive transport molecules move from an area of high concentration to an area of low concentration.
Explanation: