Andrea and Kamar are inspecting microscope slides. Each slide shows a cell or cells. The students’ task is to identify which stage of the cell cycle each slide shows.
Kamar reads, “Squamous cells from human cheek swab.”
“I recognize this one. It's in interphase,” says Andrea, peering into the microscope.
Two round cells each with a nucleus containing many entangled chromosomes
Based on Andrea's observation, what might have been happening in the cells at the time they were collected?
A. Two separate nuclei could have been forming.
B. The cells could have been growing to their full size.
C. The cells' DNA could have been condensing into separate chromosomes.
D. The cell membrane could have been squeezing in around the middle of the cell.
Answers: 3
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From the list below, choose all the correct statements about the functions of fat. select all that apply. select all that apply. fat provides flavor and texture to food (think ice cream) and also leaves you satisfied for longer after a meal. fat in the diet allows for the transport of vitamins a, c, and e because they are fat-soluble. lipids are an essential component of cell membranes, act as insulation under the skin, and protect organs from injury. the body can rely on carbohydrate stores during periods of low energy intake. fat is a good source of energy providing 4 kcal/g.
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Check all that occur during ventricular systole. a. the av valves open to allow blood to enter the ventricles from the atria. b. the av valves open to allow blood to enter the ventricles from the atria. c. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. d. the semilunar valves remain closed throughout systole to prevent backflow of blood into the ventricles. e. the semilunar valves open to allow blood to flow into the large arteries. f. the semilunar valves open to allow blood to flow into the large arteries. g. the av valves close to prevent backflow of blood into the atria.
Answers: 2
Andrea and Kamar are inspecting microscope slides. Each slide shows a cell or cells. The students’ t...
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