Answer:
Controlled variables include time, temperature, volume of solution being tested, and volume and concentration of reagent (Benedicts or iodine) used. Three unknown solutions will be tested for the concentration of reducing sugars using Benedict's solution.
Explanation:
A is the correct answer, eukaryotic cells have membrane-bound nucleus, prokaryotic cells do not.
Gametes are produced as a result of cell division.
One of the fundamental properties of meiotic cell division is that it produces four haploid daughter cells, each with half the chromosome number of the parent cell.
Meiotic cell division is divided into two phases: interphase or pre-meiotic phase and meiotic phase.
Learn more about meiotic cell division here:
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Answer:
Edwin Hubble discovered that the universe was expanding. he used his known 100 inch telescope to discover that our milky way was one of many galaxies. that these galaxies are part of an ever expanding universe. This discovery changed the way we and scientists look at the universe