Answer:
(i)
x= nucleus
y= chloroplasts
z= vacuole
(ii)
1) an animal cell does not contain a vacuole but a plant cell does
2) a plant cell contains chloroplasts but an animal cell does not
It is called the intensity.You are welcome.
Answer: the effects of cystic fibrosis are thick mucus that clogs certain organs, such as the lungs and intestines etc . This may cause malnutrition, poor growth, frequent respiratory infections, breathing problems, and chronic lung disease.
Answer:
no
Explanation:
Simple diffusion does not require energy or need the assistance of a transport protein. Other larger or charged molecules that diffuse across a membrane may need assistance from a protein.
