{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Exam 4, 03 - J-PrY1-r It 1 Atwhat stage A;Prophase of...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
J: -PrY1 It -r 1. Atwhat stage of mitosis are chromosomes seen to decondense? A;;Prophase -S. Teleophase C: Metaphase ...2.Astral microtubules of the mitotic spindle function to pull Chromosomesduring mitosis A.True --SoFalse 3. How many centrioles does a cell have at metaphase? ...A.2 . B.4 C.S- b.8 4.. Klnetochores attach to the minus end of microtubules and contain motor protein complexes -A.True B.False 5. What Is the primary function of catastrophins? A. protection of the cytoskeleton B. straightening mlcrotubules. -C. destabilization of microtubules S. Microtubule polymerizatfonldepolymerizatlon is more dynamic during Interphase A.True s. False A. Which of the following best describes the directional growth of microtubules from the cen~ome.during mitosis? A. mostly towards the kinetoc~ores B. mostly towards the chromosomes C. random -8. The alignment of chromosomes at the metaphase plate is due to the opposing forces created by actin filaments from opposite.. poles of the cell. A.True "8. False --9.Activation of the Anaphase Promoting Complex (APC) is under controlof cyclins . "A. True B. False 10.What tenTHsused to desCribethe structure seen in the cell membrane 81the beginning ofvestcle formation? -A. a coated pit B. a dental Co a plnecyte 11. The $Ignal Recognition Particle (SRP) binds to A. Tt1ehydrophillc signal sequence of an emerging polypeptide "from the ribosome /' B. The SRP receptor only .fi. The hydrophobic signal sequence of an emerging. polypeptide from the ribosome and the SRP receptor 12. In cell biology, a vesicle refers to --A..a membrane bound structure in the cytoplasm B. a membrane bound structure in the cytoplasm that only contains enzymes C. a membrane bound structure In the cytoplasm that only .
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}