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    Binary Fission.

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    transversely from near the middle of the dividing cell. The dividing septum originates centripetally and separates the parent cell into two nearly equal daughter cells ‚each having a nuclear body [1] The stages in the cell cycle are:  1. Interphase 2.Mitosis *Prophase *Metaphase *Anaphase *Telophase 3.Cytokinesis (This is a seperate process that begins at the same time as telophase)  Different Stages in the Process of Meiosis There are two stages of meiosis‚ namely‚ meiosis I and meiosis II

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    Bread vs. Water

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identical
chromatids
move
 apart.
 Telophase
–
Chromatids
move
to
opposite
ends;
nuclear
membranes
reappear;
cell
 pinches
in.
 
 18)
A
giant
ameba
isn’t
possible
because
before
any
one
–
celled
organism
gets
 anywhere
near
that
big
it
undergoes
mitosis.
The
product
is
a
smaller
version
of
the
 parent
cell.
 
 
 19) Cancer is the disease caused by an uncontrolled division of abnormal cells in a part of the body. Several chemicals and environmental toxins are responsible for changes in

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    cell and cancer worksheet

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    Virtual Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell anaphase b. Chromatin coils to form visible chromosomes prophase c. The nuclear membrane disappears prophase d. Sister chromatids line up in the center of the cell metaphase 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Prophase

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    (below for your convenience). Virtual Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell b. Chromatin coils to form visible chromosomes c. The nuclear membrane disappears d. Sister chromatids line up in the center of the cell 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Table 1: Record your data

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    contrast sexual and asexual reproduction. 3. Distinguish between the terms: DNA‚ gene‚ chromosome‚ replicated chromosome‚ sister chromatid and centromere. 4. What are the two phases of the cell cycle? What are the three stages of interphase? 5. Mitosis is the division of the ______‚ while cytokinesis is the division of the ______. 6. Describe the appearance and the location of the chromosomes during the four stages of mitotic cell division‚ as pictured in Figure 8.7. 7. How is cytokinesis

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    Advanced Biology Final Exam / Fall 2011 Short Answer 1. Which of the following is a false statement regarding deoxyribonucleic acid (DNA)? 2. Which of the following properties or processes do we associate with living things? 3. Which component is not directly involved in translation? 4. The anticodon of a particular tRNA molecule is 5. Which of the following types of mutation‚ resulting in an error in the mRNA just after the AUG start of translation‚ is likely to have the

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    biology

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    Our assignment is about how chromosomes separate and how cell division works through microtubules and histones. DNA in the nucleus is loose and not well defined into chromosomes because it is usually tightly coiled‚ but in the interphase nucleus the chromatin exists in two forms: loosely coiled form called euchromatin and tightly coiled formed called heterochromatin. These two types become more coiled to form the chromosome at the time of cell division. DNA is a bit loosely coiled in the euchromatin

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    Life Sciences

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    NATIONAL SENIOR CERTIFICATE GRADE 12 LIFE SCIENCES P1 VERSION 2 (OLD CONTENT) FOR PART-TIME CANDIDATES NOVEMBER 2011 FINAL MEMORANDUM – 24/11/11 MARKS: 150 This memorandum consists of 12 pages. Copyright reserved Please turn over Life Sciences/P1 (Version 2) (Part-time) 2 NSC – Memorandum DBE/November 2011 PRINCIPLES RELATED TO MARKING LIFE SCIENCES 2011 1. If more information than marks allocated is given Stop marking when maximum marks is reached and put a wavy line and ’max’ in the

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    Study Guide: General Biology

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    Chapter 6 Explain what free energy is and how it can be used to predict the energetic outcome of chemical reactions.Free energy is defined as the energy available to do work in any system. The free energy is denoted by the symbol G. G = H – TS* H: the energy contained in a molecule’s chemical bonds‚ called enthalpy.* TS: the energy term related to the degree of disorder in the system. T is the absolute temperature (K)‚ and S is the entropy.We can use the change in free energy to predict whether

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    Cell Bio

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    BIO 353 Cell Biology Study Questions for Exam #3 Fall‚ 2012 Cytoskeleton “The harder the conflict‚ the more glorious the triumph.” Thomas Paine... “Unless you really just screw up.” Bush 1. What are microfilaments? (He said know how to identify/draw these) Note: since it is multiple choice‚ I doubt we will have to know how to draw them. **There are also short essay questions and‚ in past classes‚ he has asked students to draw. I thought the final was ALL MULTIPLE CHOICE???********************************

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