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DNA Protein Synthesis Replication
DNA carries a code for proteins
What are proteins used for?
DNA protein Stays in nucleus made by ribosomes
DNA messenger protein
1. One side of DNA is ‘transcribed’ to messenger RNA. 2. Messenger RNA is ‘translated’ to make proteins.
Replication: making copies of DNA so cell can divide into two new cells
Replication in Prokaryotes
Replication in Prokaryotes
Replication in Eukaryotes (they have a nucleus) Mitosis
Meiosis This replication makes Sperm or Egg cells for reproduction. Note they are all different.
Asexual reproduction No mixing of DNA You get the same organism
Sexual reproduction DNA is mixed to make new organism Egg and Sperm Plants
Sexual reproduction DNA is mixed to make new organism Egg and Sperm Fungi
Sexual reproduction DNA is mixed to make new organism Egg and Sperm Animals
Sexual reproduction DNA is mixed to make new organism Egg and Sperm Humans are Animals
Some organisms reproduce in different ways for different reasons.
Everything is fine. No reason to change.
Everything is fine. No reason to change. Tsunami or big waves. Coral is in pieces.
Everything is fine. No reason to change. Tsunami or big waves. Coral is in pieces. Environment changes. Rapid evolution needed.
Virus Scrambled tiles Animal CellsPlant cellsBacteria Structure DNA or RNA envelope Protein coat No nucleus cell membrane ribosomes cell wall DNA loop.
Asexual vs. Sexual Reproduction. Parent cell first copies its DNA Then divides into 2 separate cells New cells have a complete copy of parent’s.
Transcription. DNA Protein Gametes Fertilization.
All cells have a plasma membrane. ◦ Controls what gets in and out. ◦ Made of phospholipid molecules All cells have cytoplasm ◦ Gel-like substance.
Sexual reproduction is a type of reproduction in which the genetic materials from two different cells combine, producing an offspring. Sexual reproduction.
Is the process by which DNA is copied in a cell before a cell divides by mitosis, meiosis or binary fission. María Paula Vélez R.
Chapter 10: Cell Division Before a cell divides, its Chromosomes replicate and the nucleus divides.
What is the difference between mitosis and meiosis? library.thinkquest.org.
Reproduction What’s the difference in these two forms of reproduction?
CELL NOTES PART III. Prokaryotic cells have circular DNA Eukaryotic cells have linear DNA DNA - HEREDITARY MATERIAL.
Two Types of Cells Prokaryotic Cell vs. Eukaryotic Cells.
Cell Reproduction Chapter 4 Notes. Why is cell division important? Many celled organisms grow because cell division increases the number of cells they.
Chapter 3 The Biological Basis of Life. Chapter Outline The Cell DNA Structure DNA Replication Protein Synthesis.
5.4 Asexual Reproduction Many organisms reproduce by cell division.
MEIOSIS SEXUAL REPRODUCTION. MEIOSIS & MITOSIS- slide 1.
Cell Division and Types of Reproduction. Cell Division At times, cells need to divide Divide = split and make copies There are actually different.
Which form of reproduction is related to mitosis? Why? Which form of reproduction is related to meiosis? Why?
Reproduction. Asexual Reproduction –Asexual Reproduction- Process by which a SINGLE organism produces offspring that have the same genetic material. –Binary.
5.4 Asexual Reproduction KEY CONCEPT Many organisms reproduce by cell division.
RNA By PresenterMedia.com PresenterMedia.com. DNA is located in the nucleus of eukaryotic cells A strand of DNA is moved from the nucleus out into the.
Reproduction. Asexual Reproduction A new organism produced from a single parent Q. Please circle one: In asexual reproduction are the offspring genetically.
Cell Reproduction Chromosomes Mitosis Meiosis Chromosomes Mitosis Meiosis.
Multicellular Organisms. Tissue - a group of similar cells that together perform a specific function in an organism.
Asexual vs. Sexual Reproduction What’s the difference in how organisms reproduce?
Protein Synthesis How’d you do? Nucleus Part of the cell containing DNA and RNA and responsible for growth and reproduction. In eukaryotic cells, the.
Review. ______ and ______ cells are sex cells.
Protein Synthesis Section 1-4 The DNA Connection Answer to Discover p 39: ---/- ∙/-∙-∙/∙∙∙∙/∙-∙/---/--/---/∙∙∙/---/--/∙/∙∙∙/
Chapter 3 The Biological Basis of Life. Chapter Outline The Cell DNA Structure DNA Replication Protein Synthesis Cell Division: Mitosis and Meiosis New.
Different life cycles use different modes of reproduction. Both Binary Fission and Mitosis Produce Genetically Identical Cells. Prokaryotes divide.
Cell Structure Notes & Study Guide Plant & Animal Cells.
KEY CONCEPT Cells have distinct phases of growth, reproduction, and normal functions.
How do little elephants grow up to be BIG elephants?
CST Review Genetics I.. Standards: BI5. a. Students know the general structures and functions of DNA, RNA, and protein. BI1. d. Students know the central.
© Boardworks Ltd of 20 © Boardworks Ltd of 28 From a cell to DNA.
Sexual Reproduction – type of reproduction in which the genetic materials from two different cells combine, producing an offspring Sperm – male sex.
MITOSIS animation. Mitosis Vocabulary Gene – a segment of DNA that codes for a protein or RNA molecule. Chromosome – structure made of DNA and proteins.
Cell Reproduction. Cell Division Increases the number of cells and causes many-celled organisms to grow Cell cycle- series of events that take place from.
Bacteria Reproduction: Not quite the same!. What type of cells are bacteria? Prokaryotic cells: Single celled Have a single strand of DNA and some plasmids.
Packet page # DNA. Packet page # Goals and Standards After completing all activities and assignments in this unit, students will be able to: Describe.
MEIOSIS: The Production of Sex Cells *Click for Animation*
1 Karyotype A picture of the chromosomes from a human cell arranged in pairs by size First 22 pairs are called autosomes Last pair are the sex chromosomes.
TYPES OF REPRODUCTION ASEXUAL VS SEXUAL. Let’s do some comparing!Prokaryote/Eukaryote?Unicellular/Multicellular?Heterotroph/Autotroph?Asexual/Sexual?
THE CELL CYCLE. Why do cells divide? Stimuli to start a cell division: – To replace dead or dying cells, –To produce more cells to enlarge the organism.
DNA and Cell Cycle. DNA and Chromosomes DNA is in the nucleus of every living thing. A Chromosome is coiled DNA. Humans have 46 chromosomes.
1 The Cell Cycle. 2 Cell Division All cells are derived from pre- existing cells All cells are derived from pre- existing cells New cells are produced.
SEXUAL AND ASEXUAL REPRODUCTION. A characteristic of living things is that they produce new organisms through the process of reproduction.
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