II. Completați frazele următoare utilizând termenii științifici corecți:
a) Celula cu nucleu individualizat și organite celulare se numește ………… .
b) ADN-ul și ARN-ul se numesc ………… .
c) ………… ………… sunt structuri care funcționează ca niște organe miniaturale, fiind răspunzătoare de îndeplinirea unor anumite funcții.
d) Nucleoidul este ………… al procariotelor.
e) Toate celulele prezintă ………… în timp ce peretele celular e prezent la celulele ………… .

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a. m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Most of the carbon on earth is stored in the form of

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.