You discover a substance that prevents the motor protein in a centromere from attaching to a spindle fiber.  What would be a consequence of adding this substance to a cell during mitosis? Group of answer choices A) the chromatin would not coil up to form condensed chromosomes B) the nuclear membrane

____ will hopefully prevent cells from going through their stages when there are problems with the cells. A) cytokinesis B) meiosis C) checkpoints D) mitosis promoting factor

A cell in G1 of interphase has 8 chromatins. How many chromosomes and how many DNA molecules will be found per cell as this cell progresses through the following stages: a) metaphase b) anaphase c) after cytokinesis in mitosis d) metaphase I e) anaphase I f) metaphase II g) anaphase II h) after cytokinesis of meiosis II

Kinetochores are the a) sites of spindle fiber attachment to chromosomes. b) regions where two chromosomes remain attached during mitosis. c) same as centromeres. d) structures that give support to the nuclear membrane

15- Which organelle is known as the "powerhouse" of the cell due to its role in producing energy? a) Nucleus b) Lysosome c) Vacuole d) Mitochondria 16- What is the function of ribosomes in a cell? a) Storage of genetic information b) Synthesis of proteins c) Breakdown of waste materials. d) Synthesis of lipids 17- Which of the following is NOT a function of the nucleus in a cell? a) Storage of genetic information b) Control of cell activities c) Synthesis of proteins d) Reproduction of the cell 18- Which organelle is responsible for packaging and sorting proteins for transport within the cell or secretion outside the cell? a) Endoplasmic reticulum b) Nucleus c) Golgi apparatus d) Vacuole 19- What is the function of the cytoskeleton in a cell? a) Cellular respiration b) Cellular communication c) Cell division. d) Structural support and cell movement

Cytokinesis involves ... A.)division of the cytoplasm B.)a cleavage furrow (animals) or cell plate formation (plants) C.)the completion of the cell cycle D.)all of the above

In the diagram, the speed bumps (look like short walls) represent __________. A) The only times at which genes may be actively expressed B) Points in time when the cell divides C) One-hour timepoints D) Checkpoints in the cell cycle .

i need the answer quickly

What are the stages of the cell cycle? Include the three stages of interphase, as well as the four phases of mitosis. Give a description of each in a sentence.

1) The activity of the cell cycle is controlled by the abundance of:  A) protein ligases and protein kinases B) protein kinases C) protein ligases D) protein kinases and cyclins E) cyclins    Eukaryotes - prokaryotes? Which are the latter? A) bacteria  B) animals C) tardigrades  D) plants  E) fungi  During translation the ribosome:  A) reads the DNA from 5' to 3'  B) ribosomes are not involved in translation C) reads the RNA from 3' to 5'  D) reads the DNA from 3' to 5'  E) reads the RNA from 5' to 3'