Due will mark as

4. which of these statements is a principle of the cell theory that supports the idea that new cells will replace damaged cells in a scraped knee?
a. all living things are compose of one or more cells
b. cells are the basic units of structure and function in living things
c. all cells arise from previously existing cells
d. most cells are too small to be viewed with the unaided eye

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

To store strawberries in sugar syrup, lucy placed them in a jar and covered them with sugar but did not add any water. do you think syrup will be formed? justify. a. no. since water is not added, there cannot be any syrup formation. b. no. the higher concentration of sugar on the outside will cause the water from the sugar to diffuse in the strawberry cells causing them to swell without formation of any syrup. c. yes. the higher concentration of sugar on the outside will cause the water from the strawberry to diffuse out resulting in syrup formation. d. yes. the sugar will melt over time and form the syrup.

Genetic orders can result when sister chromatids fail to separate properly during which phase is this problem most likely to occur