If I am conducting an experiment to check if cells are living and their functionality after putting an organ into solutions with different salt concentration, then what should be the research question and should the data collected be quantitative or qualitative? (The main motive is to check the functionality of cells after they are dispersed in hypotonic, hypertonic and isotonic solution) (And the question is - Why are solutions used to store organs for donation isotonic?)

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-

Will mark you as ! keiko’s teacher was discussing the theory of endosymbiosis. she asked keiko to mark the organelles in the diagram that most closely resembled prokaryotes. which organelles should keiko mark? * the first image is the question and the second image is some information to you answer the !