List four symptoms associated with cystic fibrosis.

salty-tasting skin

persistent coughing

phlegm

frequent lung infections

wheezing or shortness of breath

poor growth and/or weight gain

difficulty in bowel movements

nasal polyps

answer from e2020

Four symptoms associated with cystic fibrosis are -

1.The mucus in the cystic fibrosis causes the clogging of tubes carrying air resulting into thick mucus with coughing. The other respiratory symptoms include –  

a)Wheezing problem

b)Breathlessness and lung infections

c)Stuffy nose

2.The thick mucus also causes blocking of tubes that carry digestive enzymes from pancreas to small intestine. The following symptoms are visible –  

a)High rate of constipation

b)Blockage in intestine

c)Smelly stools

d)Weight gain

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

the answer is cell division : )