Nowadays, that theory is rejected. Friedrich Wohler was able to synthesize urea from cyanic acid and ammonium, both being inorganic matter. <---This disproves the theory of vitalism.
Answer: Membrane transport proteins are specific and selective for the molecules they move, and they often use energy to catalyze passage. Also, these proteins transport some nutrients against the concentration gradient, which requires additional energy.
Explanation:
Explanation:
Amino acid is made of an Amino group , a Carboxyl group And an R group . there is also an additional H there .
Answer:
A.it travels at a different speed
bisible energy from the sun is different from the non visible energy.