'S phase' presentation slideshows

1.15k views • 94 slides

Jeopardy! Inheritance Chpts 8 and 9

901 views • 72 slides

Chapter 15 - Spontaneity, Entropy, and Free Energy

Chapter 15 - Spontaneity, Entropy, and Free Energy. 1 Spontaneous Processes 2 The Isothermal Expansion and Compression of an Ideal Gas 3 The Definition of Entropy 4 Entropy and Physical Changes 5 Entropy and the Second Law of Thermodynamics 6 The Effect of Temperature on Spontaneity

848 views • 53 slides

Cell Division

1.51k views • 49 slides

Cytology

Cytology. Study of cells ~70 trillion = human body. Cells. Cells vary greatly in SIZE and STRUCTURE two main parts - NUCLEUS & CYTOPLASM, Enclosed in a CELL MEMBRANE (also called PLASMA MEMBRANE). Cell Membrane. Extremely thin Outpouchings and infoldings Porous

748 views • 47 slides

Cell cycle and cell programmed death

Cell cycle and cell programmed death. Haixu Tang School of Informatics. The cell cycle. The events of eucaryotic cell division. The phases of the cell cycle. A comparison of the cell cycles of fission yeasts and budding yeasts. The behavior of a temperature-sensitive cdc mutant.

893 views • 33 slides

Molecular Biology

Molecular Biology. Head. Fig. 10-1a. DNA. Tail. Tail fiber. Radioactive protein. Empty protein shell. Phage. Radioactivity in liquid. Bacterium. Phage DNA. DNA. Batch 1 Radioactive protein. Fig. 10-1b. Centrifuge. Pellet. Agitate in a blender to separate phages

398 views • 30 slides

Chapter 7

Chapter 7. RNA and Chromosome Structure. 13 and 15 September, 2006. Overview. In the cell, DNA is always associated with proteins . In eukaryotes, histones package DNA into chromatin. Proteins serve a structural role, and compact DNA, with regulated access.

455 views • 29 slides

Mitosis

Mitosis. Definition. Mitosis = is the process of the nuclear division in eukaryotes that produces two individual daughter cells. . Mitosis in single-celled organisms: responsible for the production of new individuals- asexual reproduction. Examples: Paramecia and Amoeba .

489 views • 28 slides

Meiosis

Meiosis . Plant physiology. MEIOSIS. The production of offspring by sexual reproduction includes the fusion of two gametes, each with a complete haploid set of chromosomes.

689 views • 28 slides

DNA, Replication, Mutations, RNA, & Protein Synthesis

404 views • 26 slides

Cell Growth and Division

Cell Growth and Division. Chapter 10. Why do cells divide? . As the cell grows the DNA has an increased work load. As the cell gets bigger the DNA has to work harder to control the cell As the cell grows the exchange of materials through the cell membrane becomes limited

477 views • 24 slides

Genetics

Genetics. Instructor: Dr. Jihad Abdallah Lecture 2 The cell cycle and Cell Division. The cell cycle. Living cells go through a series of stages known as the cell cycle. They undergo a continuous alternation between division and non-division.

394 views • 24 slides

Cell Cycle and Mitosis

Cell Cycle and Mitosis. Cell Cycle. Cell cycle is the life cycle Cycle because it continues until the cell dies, when it reaches the end, it starts over. Most of the cycle is for growth. Cell Cycle. G 0 Phase. Resting phase Cell can remain here for years

464 views • 21 slides

KARYOTYPE

KARYOTYPE. TIRUPATHI PICHIAH PhD., Student. Dept of Human Nutrition. Chromosomes. Rod shaped structures found in the center of the nucleus of every cell in the body (except RBC). Each sperm and each ovum contains 23 chromosomes. The chromosomes contain the DNA and genes.

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What are Transposons?

423 views • 14 slides

Lab 5

Lab 5. Mitosis Division. What is Mitotic Cell Division?. Division of somatic cells (body cells) (non reproductive cells) in eukaryotic organisms. A single cell divides into two identical daughter cells (cellular reproduction). => Maintains chromosome ploidy of cell.

295 views • 12 slides

The Cell Cycle

The Cell Cycle. Division of the Cell : All cells come from preexisting cells. . Why do cells divide?. Growth and Development Repair (Healing) Reproduction ( We will talk about this later). Division of the Cell : All cells come from preexisting cells. . Why do cells divide?.

255 views • 10 slides

9.3 Cell Division

165 views • 9 slides

DNA Replication

DNA Replication. Unit 4 Part 1. Review of DNA structure. Deoxyribonucleic Acid Basis for all living things Makes proteins which make traits eye color, nose shape, heart function. Made up of repeating units called nucleotides Nucleotides are made up of:. Phosphate group 5 Carbon suga r

185 views • 8 slides