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- QUESTION 38 What occurs during metaphase phase of mitosis? A. Microtubules can be lengthened by adding subunits at the + end to move chromosomes towards the metaphase plate B. Microtubules can be shortened to move chromosomes towards the metaphase plate. C. Motor proteins pull chromosomes along the microtubules to move them towards the metaphase plate. D. All of the above E. None of the aboveQUESTION 8 Which of the following prevents shortening of eukaryotic chromosomal ends? Helicases Telomerase Topoisomerase Beta-clampsQuestion: Genes A, B, C, and D are on the same chromosome. Consider the data and draw a genetic map: Relationship RF B - D 14% C - D 12% A - D 6% B - C 2% A - B 8%
- Need help with question: -If a nucleus has 12 chromosomes during interphase,how many chromosomes does it have during metaphase? How many are there after mitosis has finished? - the contrast of the cleavage furrow with the cell plate. Offer details at the cellular level.Prokaryotic cells... Question options: a. have circular DNA molecules localized in the nucleoid region. b. are typically larger than most eukaryotic cells. c. have chromosomes. d. are characterized by the presence of membrane-bound organelles.Question 1: a. How does cytokinesis differ between plant and animal cells? b. If a cell with six chromosomes undergoes mitosis, it will produce____________ (number) daughter cells that contain ______________ (number) chromosomes.
- QUESTION 5 Which of the following statements are correct about cellular karotypes and cancer (select all that apply)? A. Chromosomal translocation are only observed in hematopoietic cell tumors and not solid tumors B. Chromosomal translocations occur at similar similar frequencies in all tumor types C. Changes in chromosome number in cancer cells are often caused by mis-segregation o chromosomes during cell division D. Cancer cells alway have the same number of chromosomes as normal cells E. A cancer cell that has no observed chromosomal instability likely has extensive mutations and/or microsatellite instabilityQUESTION 40 What is the driving force to separate the sister chromatids during Anaphase A of mitosis? A. Loss of microtubule subunits from the plus ends of the kinetochore microtubules B. Addition of microtubules at the plus ends of the chromosomal microtubules. C. Loss of microtubule subunits from both ends of the astral microtubules. D. Addition of microtubule subunits at the plus ends of the overlap microtubules.When do sister chromatids separate in meosis? Question 30 options: Metaphase II Prophase II Prophase I Metaphase I
- Please give me just the answers, no need for explantion. What are the enzymes that untwist the double helix at the replication forks called? -Helicases -Transcription Factors -Flipases -Codons 2- Reproduction of the DNA occurs during (????) of the cell cycle. S Phase G1 Phase M Phase G0 Phase G2 Phase 3- The totality of an organism’s chemical reactions is referred to as its (????). -Problem -Metabolism -Gestalt -Oxidative phosphorylationI need help with a biology question, thanks Match the following: Chromosomes are visible under the microscope during __________. Replication of the DNA occurs in the _____________ phase of the cell cycle. Preparations for genome separation are made in the __________ phase. The first part of Interphase Two daughter cells are formed paired with............... (Cytokinesis, S-synthesis phase, G1-gap one phase, G2-gap two phase, M-mitosis)Question: If a cell is infected with a virus, the cell can signal itself to undergo apoptosis, in order to kill the virus in the process. Elaborate apoptosis process.
