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Cell Biology Quiz 27 (25 MCQs)

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1. In meiotic prophase, the synapsis of chromosomes occurs at the stage of.
2. Which has a nucleus?
3. Densely packaged DNA is also called _____, which can be found during _____
4. The movement of oxygen & carbon dioxide across the cell membrane is called _____
5. What is an argument for the use of stem cells in research?
6. Find total magnification for:Eyepiece = 10X Objective lens = 4X
7. Hydrolytic enzymes must be segregated and packaged to prevent general destruction of cellular components. which of the following organelles contains these HYDROLYTIC ENZYMES in ANIMAL CELLS?
8. What is the two daughter strands of replicated chromatin that are condensed into two rod shaped structures and connected by a centromere called?
9. Cell membrane is.
10. Which organ belongs to the digestive system?
11. Who invented the electron microscope?
12. Autophagy is the function of .
13. A threadlike structure (uncoiled) of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
14. A pocket formed by an inward folding of a membrane is called
15. Substances can move across the cell membrane through _____
16. If an image measured 3.5 mm and the magnification was x 1, 000, how big would the actual object be?
17. Stem cell research is controversial because in involves?
18. Example of single-celled animal is
19. Basic Nucleosome model make DNA fibril of about
20. Granum is a component of .
21. Passive transport requires _____
22. A balance that an organism maintains by regulating what goes into and out of the cell.
23. What is the total magnification of your microscope if the eye piece is 10x and the objective is 52x
24. What type of transport uses transport (channel) proteins to help molecules move from higher to lower concentrations?
25. This organelle is stores food, water and waste.
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