Question 1Review Concept 12.1 Cell Division. Match the term and its description. Each term can only be used once.All the DNA in a cell is called its| Choose )Material of chromosome, a complex of DNA and protein is[ Choose)referred asThese nonreproductive cells or body cells are called[ Choose )This duplicated chromosome attached along their lengths by[ Choose )cohesins. each contain twoThis is the narrow "waist" of the duplicated chromosome[ Choose )where the two sister chromatids are attached.>> Review Concept 12.1 Cell Division. Match the term and its description. Each term can only be used once.All the DNA in a cell is called its[Choose]Choose]Material of chromosome, a complex of DNA ani protein isreferred assister chromatidsThese nonreproductive cells or body cells are calledsomatic cellsgametesThis duplicated chromosome attached along thcir lengths by centromerecohesins. each contain twocell divisionThis is the narrow "waist" of the duplicated chromosomewhere the two sister chromatids are attached.chromatingenome

The DNA is a genetic material that is present within the nucleus of eukaryotic cells. Usually the…

Answered: Question 1 Review Concept 12.1 Cell…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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QUESTION 13 The phenomenon by which an allele containing a deletion in a tumor suppressor gene causes a good copy of the gene carried on the other allele to undergo deletion is an example of A. Penetrance OB. Chromatid dysjunction O C. Loss of heterozygosity O D. Allelic exclusion O E. Chromosomal translocation
QUESTION 5 The experiment below illustrates the results of deletion of a gene involved in forming this critical complex. Complex Chromosomes from a normal cell Normal After deletion of Protein X fused
QUESTION 9 Why is a variegated plant considered heteroplasmic? O The plant has mutant and wild-type chloroplast DNAS distributed amongst the cells in different ratios. O The plant has only two types of cells, one with only mutant chloroplast DNAS and one with only wild-type chloroplast DNAS. O All of the plant's cells have mutant and wild-type chloroplast DNAS. O All of the plant's cells have mitochondria and chloroplasts.
Question 29 If a mutation occurs in an embryonic stem cell that alters cell proliferation there is potential for a tumor to arise in which cell type? Any cell type of the organism Mesoderm cell types such as blood cells Epidermal cell types such as skin fibroblasts Endodermal cell types such as pancreatic cells
QUESTION 18 Which of the following statements about Transmission Ratio Distortion, as exemplified by the SD (Segregation Distorter) system in Drosophila, is TRUE? O Transmission ratio distortion is caused by inversions on the SD chromosome. O The SD system includes a cis-acting, shortened version of a RanGAP protein and a trans-acting DNA repeat locus. O Distortion operates only in males, due to sex-linkage. O The SD chromosome distorts transmission ratios by killing gametes that do not contain it. The loci that make up the SD system assort independently of each other at meiosis.
QUESTION 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.
QUESTION 27 Activation of at the metaphase to anaphase transition leads to the activation of APC/C activity. CDC20. CDK. M-Cyclin. Securin.
Question 9 Match the following with the term that best describes them Holds chromatids together in the middle ✓ DNA complexed with basic histone proteins ✓ Chromosome arrangement of the organism ✓ Noodle-like structures that appear clearly after prophase stage of mitosis A. karyotype B. chromatin C. chromosomes D. centromere
QUESTION 48 With regard to the process of mitosis, which of the following pairs is NOT matched correctly? Oa. Interphase - the cell grows, chromosomes replicate, and proteins are produced to prepare the cell to divide b. Prophase - chromosomes condense, and the nuclear membrane dissociates/breaks down c. Metaphase - chromosomes move toward opposite poles (or sides) of the cell d. Anaphase - sister chromatids separate e. Telophase - two distinct nuclei are formed; this is the stage immediately before cytokinesis
Question 3 How many nucleosomes are involved per turn of the spiral arrangements of the chromatin fiber?
Question 5 What is the role of TRF2 at the telomere? extends the 3' end of the G+T strand O packages DNA into heterchromatin O forms a platform for microtubule attachment O facilitates formation of the t-loop at the telomere and recruits RAP1
question 6

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