What is the importance of decomposers in ecosystems?

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient

Chronic obstructive pulmonary disease (copd) makes it difficult for the respiratory system to deliver oxygen to the lungs. the scientist wants to use a computer simulation to model how copd affects heart rate and respiratory rate during exercise. she will compare the results of the simulation to the results she gathered in her previous study. which of the following would be an appropriate dependent variable for the new study?

More gametes need to be made! if the diploid number of the organisms is 120, how many chromosomes will it have at the end of meiosis ii? a. 30 b. 60 c. 120 d. 240 e. 480