Nutrients cross the membrane wall with the help of protein channels.
Answer:
Wheezing happens when the airways are tightened, blocked, or inflamed, making a person's breathing sound like whistling or squeaking. Common causes include a cold, asthma, allergies, or more serious conditions, such as chronic obstructive pulmonary disease (COPD).
Explanation:
Answer:
Not linked
Explanation:
Linked genes don't show independent assortment.
1.) atom ; tissue
2.) cell
3.) organ system
4.) true
5.) atom
6.) Particle
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