Answer:E) integral proteins
Explanation:
STUDY
PLAY
What are the membrane structures that function in active transport?
A) peripheral proteins
B) carbohydrates
C) cholesterol
D) cytoskeleton filaments
E) integral proteins
E) integral proteins
Food is the most important source of chemical energy for living things. The chemical energy in food is converted, or changed, by the body into moving mechanical energy and heat energy. People have invented ways to use the chemical energy of substances to power machines.
B . Excessive commercial fishing
Reason: the other options are good things this is the only bad thing
Answer: They all have fur on the bellys
Explanation: