1. The figure below shows a phase of mitosis. Which cell structures are indicate
ID: 277042 • Letter: 1
Question
1. The figure below shows a phase of mitosis. Which cell structures are indicated by the letter X? Chromosomes Centrioles Kinetochore microtubules. Centrosomes Centromeres 2. The products of mitosis are two genetically identical cells. four nuclei containing half as much DNA as the parent nucleus. four genetically identical nuclei. two genetically identical nuclei. one nucleus containing twice as much DNA as the parent nucleus. 3. Starting with a fertilized egg (i.e., a zygote), a series of five mitotic cell divisions would produce an early embryo with how many cells? 8. 64 16. 32 4.Explanation / Answer
Hi Answer:
[According to my knowlegde your all questions are right. I checked carefully and got similar results to your observations.]
1.The figure below shows a phase of mitosis. Which cell structure are indicated by the letter X?
Answer: Kinetochore microtubules
2.The products of mitosis is
Answer: Two genetically identical cells
3.Starting with a fertilized egg a series of five mitotic cell divides would produce as early embryo with how many cells
Answer: 32
4.A cell in G2 contains 18 pairs of sister chromatids. This same cell in G1 would have
Answer: 9 chromosomes
5.In the diagram below, the cell in prophase and anaphase have….and ..total chromosomes, respectively.
Answer: (4 and 8)
6.Late in mitotic anaphase a cell with 28 daughter chromosomes has….centromeres
Answer: 28
7.Which of the following aspects of the cell cycle would be most disrupted by cytochalasin B, a drug that binds to actin monomers and prevents them from polymerizing into filaments
Answer: Cytokinesis
8.A cyclin dependent kinase (Cdk) is
Answer: An enzyme that attaches phosphate groups to other proteins
9.A mutation frequently causes a chromosomes of a cell line to become detached from the spindle. The most likely consequences of this mutation is that…..cells will be stopped at the…..checkpoint.
Answer: More and M
10.According to the image below, the…..triggers the entry of a cell into mitosis
Answer: Removal of inhibitory phosphate groups from Cdk1 by the Cdc25 phosphatase
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