Ryan is an 18-year-old male who recently went to the family doctor for a check-up. The doctor found his testosterone (a lipid) levels to be extremely low and decided to perform a blood test. Results show that the reproductive cells of Ryan's body are not synthesizing lipids at normal levels. Which cell organelle is not working properly?

carbohydrates are the body's preferred source of energy.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

haploid cells;