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Biology

BIO 1b plants 9

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Dr. Feldman?s Lecture Outlines - 13 Lecture 9, Shoots, secondary structure -Secondary growth responsible for increase in width -Results from the vascular cambium which is a lateral meristem. -produces seconday xylem = wood -produces secondary phloem = bark -Origin of the vascular cambium -how does it function? -fusiform initials = axial (up and down) system -ray initials = radial system -Rays -characteristics -Annual rings -Monocots lack a vascular cambium -how do they then increase in width? -The cork cambium -is another type of lateral meristem -produces cork -periderm = cork and associated layers -cork may arise in 2 ways. The first (and sometimes only cork cambium) arises in outer layers of cortex beneath epidermis. The second cork cambium arises in outer regions of

BIO 1b plants 8

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Dr. Feldman?s Lecture Outlines - 12 Lecture 8, Shoots, primary structure -Shoot system -consists of leaves, branches, stems, flowers and fruits -Shoot apical meristem -established during embryogeny -responsible for extension growth -consist of leaf primordium (ia), bud primordia (ium) - protoderm ?> epidermis -ground meristem ?> pith and cortex -procambium ?> primary xylem and primary phloem -Shoot system as viewed in cross section -dicot -monocot -Axillary buds -Patterns and arrangements of leaves= phyllotaxis -Fibonacci series -When leaf arrangement was examined it was found that spirals could be drawn to connect up the leaves. The spirals could go both clock-wise and counter-clock- wise. The number of spirals running in the two directions is known as the Fi-

Campbell ch 29

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Plant Diversity I: How Plants Colonized Land Chapter 29 Overview: The Greening of Earth For more than the first 3 billion years of Earth?s history, the terrestrial surface was lifeless Cyanobacteria likely existed on land 1.2 billion years ago Around 500 million years ago, small plants, fungi, and animals emerged on land ? 2011 Pearson Education, Inc. Since colonizing land, plants have diversified into roughly 290,000 living species Land plants are defined as having terrestrial ancestors, even though some are now aquatic Land plants do not include photosynthetic protists (algae) Plants supply oxygen and are the ultimate source of most food eaten by land animals ? 2011 Pearson Education, Inc. Figure 29.1 1 ?m Concept 29.1: Land plants evolved from green algae

TEST BANK

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CHAPTER 19 PROKARYOTES AND VIRUSES Test Bank Test Bank Chapter 19 Prokaryotes and Viruses Multiple-Choice Questions 1. What historic figure died of a disease that had symptoms consistent with West Nile encephalitis? a. Alexander the Great b. Cleopatra c. Julius Caesar d. Queen Elizabeth I e. Socrates Section: 19:I&I Bloom?s: knowledge Ans: a 2. West Nile virus is transmitted to humans by a. birds b. cats c. other humans d. mosquitoes e. all of these Section: 19:I&I Bloom?s: knowledge Ans: d 3. Which of the following could be called "pathogens"? a. viruses b. bacteria c. viroids d. viruses and viroids e. viruses, bacteria, and viroids Section: 19: I&I Bloom?s: knowledge Ans: e 4. All prokaryotic cells have a. cell membranes b. nuclei c. ribosomes

TEST BANK

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Biology, 7e (Campbell) Chapter 17: From Gene to Protein 7) Which of the following represents a similarity between RNA and DNA? D) nucleotides consisting of a phosphate, sugar, and nitrogenous base 9) Using RNA as a template for protein synthesis instead of translating proteins directly from the DNA is advantageous for the cell because B) RNA acts as an expendable copy of the genetic material, allowing the DNA to serve as a permanent, pristine repository of the genetic material. C) many mRNA molecules can be transcribed from a single gene, increasing the potential rate of gene expression. D) B and C only

Skeleton

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> Life Size Printout Adult, Modern Homo sapiens Understanding the human skeleton is important for learning about human and nonhuman primate anatomy. Some of the defining characteristics for humans include our height and our skeletal adaptations for bipedalism. This printout will help you learn about the human skeleton and identify some of the important features of our skeletal anatomy. This document contains an outline of an adult human standing 187 ? cm tall (or 6?2?). Modern humans average a height of 162 centimeters (or 5?3?) tall for female, and 175 centimeters (5?7?) tall for males. Instructions for Printing Life Size Printout: Print pages 3 through 23 of this document on standard 8 ?? x 11? pages (portrait).

AP Psych Biopsych test review

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The Nervous System Nervous System the body?s speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems Central Nervous System (CNS) the brain and spinal cord A Simple Reflex Spinal Cord Injuries Types Complete : Spinal Cord has been completely transected Incomplete: Portions of the spinal cord have been damaged Paralysis occurs from the site of the injury, down Types of Injuries Cervical (results in paralysis from neck down) Thoracic (results in paralysis from the chest down) Lumbar (results in paralysis from the waist down) Peripheral Nervous System (PNS) the sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body. Further Divided into Somatic Nervous System

AP Psych Biopsych test review

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The Nervous System Nervous System the body?s speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems Central Nervous System (CNS) the brain and spinal cord A Simple Reflex Spinal Cord Injuries Types Complete : Spinal Cord has been completely transected Incomplete: Portions of the spinal cord have been damaged Paralysis occurs from the site of the injury, down Types of Injuries Cervical (results in paralysis from neck down) Thoracic (results in paralysis from the chest down) Lumbar (results in paralysis from the waist down) Peripheral Nervous System (PNS) the sensory and motor neurons that connect the central nervous system (CNS) to the rest of the body. Further Divided into Somatic Nervous System

Worm disection lab rebort

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Dissection of a Worm Purpose: We will do a dissection of a lumbricus terrestris. We will observe the structures of the earthworm, how the earthworm?s body is adapted to living in the soil, and how an earthworm demonstrates cephalization. Materials: One specimen of Lumbricus terrestris Rubber gloves Dissection kit Dissection tray Pins Procedure: Pin the worm to the dissection tray Using a scalpel, make a light incision at the dorsal side of the clitellum Using forceps and a probe, spread the incision open, little by little Pin down each piece of loose skin as you open the incision When you are done observing the specimen place it in a plastic bag for proper disposal by your instructor Clean up your work area and wash your hands before leaving the lab

Worm disection lab rebort

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Dissection of a Worm Purpose: We will do a dissection of a lumbricus terrestris. We will observe the structures of the earthworm, how the earthworm?s body is adapted to living in the soil, and how an earthworm demonstrates cephalization. Materials: One specimen of Lumbricus terrestris Rubber gloves Dissection kit Dissection tray Pins Procedure: Pin the worm to the dissection tray Using a scalpel, make a light incision at the dorsal side of the clitellum Using forceps and a probe, spread the incision open, little by little Pin down each piece of loose skin as you open the incision When you are done observing the specimen place it in a plastic bag for proper disposal by your instructor Clean up your work area and wash your hands before leaving the lab

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