Campbell Biology: Custom Edition
18th Edition
ISBN: 9781323717271
Author: Urry, Cain, Wasserman, Minorsky, Reece
Publisher: PEARSON C
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Chapter 13.2, Problem 1CC
MAKE CONNECTIONS → In Figure 13.4. how many DNA molecules (double helices) are present (see Figure 12 5)? What is tht haplod number of this cell? Is a set of chromosomes haploid or diploid?
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PLEASE HELP WITH BOTTOM QUESTION
13
How many chromatids are shown in this DIAGRAM? How many centromeres?
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4 chromatids, 4 centromeres
8 chromatids, 8 centromeres
4 chromatids, 4 centromeres
8 chromatids, 4 centromeres
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 is
referred as
sister chromatids
These nonreproductive cells or body cells are called
somatic cells
gametes
This duplicated chromosome attached along thcir lengths by centromere
cohesins. each contain two
cell division
This is the narrow "waist" of the duplicated chromosome
where the two sister chromatids are attached.
chromatin
genome
Chapter 13 Solutions
Campbell Biology: Custom Edition
Ch. 13.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 13.1 - How does an asexually reproducing eukaryotic...Ch. 13.1 - WHATIF? A horticulturalist breeds orchids, trying...Ch. 13.2 - MAKE CONNECTIONS In Figure 13.4. how many DNA...Ch. 13.2 - VISUAL SKILLS In The karyotype shown in Figuro...Ch. 13.2 - WHAT IF? A certain eukaryote lives as a...Ch. 13.3 - MAKE CONNECTIONS Comparc tho chromosomes in a...Ch. 13.3 - WHAT IF? After the synaptonemal complex...Ch. 13.4 - What is the original source of Variation among the...Ch. 13.4 - The diploid number for fruit flies is 8, and the...
Ch. 13.4 - Prob. 3CCCh. 13 - Explain why human offifuing resemble their parents...Ch. 13 - Compare the life cycles of animals and plants,...Ch. 13 - Prob. 13.3CRCh. 13 - Prob. 13.4CRCh. 13 - A human cell containing 22 autosomes.and a Y...Ch. 13 - The two homologs of a pair move toward opposite...Ch. 13 - Meiosis II is similar to mitosis in that (A)...Ch. 13 - Prob. 4TYUCh. 13 - If we continue to follow the cell lineage from...Ch. 13 - DRAW IT The diagram shows a cell in meiosis. (a)...Ch. 13 - Explain how you can tell that the cell in question...Ch. 13 - EVOLUTION CONNECTION Many species can reproduce...Ch. 13 - SCIENTIFIC INQUIRY The diagram in quest ion 6...Ch. 13 - Prob. 10TYUCh. 13 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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- Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the initotic spindle. The nucleus re-forms and the cell divides. The sister chromatids separate. b. The kinetochore becomes attached to the mitotic spindle. The sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus re-forms and the cell divides. c. The kinetochore becomes attached to metaphase plate. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus re-forms and the cell divides. d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. The kinetochore breaks apart and the sister chromatids separate. The nucleus re-forms and the cell divides.arrow_forwardPlease help a. How many chromosomes and/or sister chromatids do Figure A and B show? b. What is the name of the process that took place to get from structure A to structure B?arrow_forwardLet’s model mitosis. Focus on drawing the cell nucleus taking care to model the number and location of chromosomes. Although the chromosomes are only visible in each stage, draw them in all stages for clarity sake. Draw a 2n=4 cell at G1 of interphase. Draw the same cell at the start of prophase. Draw the same cell at metaphase. Draw the cell(s) that result at the end of cytokinesis. You can draw this out on paperarrow_forward
- Let’s model mitosis. Focus on drawing the cell nucleus taking care to model the number and location of chromosomes. Although the chromosomes are only visible in each stage, draw them in all stages for clarity sake. Draw a 2n=4 cell at G1 of interphase. Draw the same cell at the start of prophase. Draw the same cell at metaphase. Draw the cell(s) that result at the end of cytokinesis.arrow_forwardSOMATIC CELL DIVISION IN 4 DI/FFERENT SPECIES, EA CH WITH A DIFFERENT NUMBER OF CIHROMOSOMES * Part IV. Images The images on the left represent events of a mitotic division in a haploid cell in which N=2. In the other boxes in each row, draw the same events for cells with the indicated chromosome number. SPECIES A Haploid, N = 2 SPECIES B Haploid, N = 3 SPECIES C Diploid, N = 2 SPECIES D Diploid, N = 3 NAME THE PHASE LABEL: cytoplasm núclear enve chromo some chromatid spindle fibers centriole centromere genome å gene (this you will have to draw,too) You will need to label at leas 2 boxes to iden ti fy all these structures.8 but remember, every cell in that species has the same number.arrow_forwarde Tools Add-ons Help Last edit was 4 days ago Background Layout Theme 4. Transition I r1 12 13 hi4 | 8 1 9 Name the phase for each description. Homologous chromosomes pair up and form tetrad- Spindle fibers move homologous chromosomes to opposite sides--- ---- Nuclear membrane reforms, cytoplasm divides, 4 daughter cells form--- Chromosomes line up along equator, not in homologous pairs (tetrad)--- Crossing over occurs- Chromatids separate- Homologs (tetrad) line up along the equator- Cytoplasm divides, 2 daughter cells are formed---arrow_forward
- Hi there..could you please help? I've been trying to figure out how to identify.arrow_forwardNAME DATE MODELLING HUMAN MITOISIS ACTIVITY In SOMATIC CELLS INTERPHASE (G,→ s → G,) Cell membrane Nuclear membrane Nucleolus present Centrioles on one end of cell Chromatin-Stringy DNA Diploid cell 2n = What is happening to the chromatin during interphase? Draw a picture. PROPHASE Nuclear membrane is fragmented (broken) 46 double stranded chromosomes in nucleus Centrioles at opposite poles of cell Spindle fibres attached to centromeres Diploid cell 2n =arrow_forwardPlease help me explain this thank youarrow_forward
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