Wsu bio - Study guides, Class notes & Summaries

What are the two key tissues that allow plants to transport water or organic nutrients, respectively, over long distances? - Xylem - water and minerals from roots to shoots . Phloem - transports sugars from photosynthesis to where they are needed In the root, plants need to take up more CO2 or O2? - More O2 Is the need for CO2 and O2 in leaves the same when compared to roots? - The difference is because of what the plant needs at that certain spot. The CO2 is needed for photosynthesis to ma...

WSU Biology 106 Exam 1 Questions and Answers Already Passed Most species extinction can be traced to what four major threats? Climate change, habitat destruction, over harvesting, and the introduction of species. Name three functions of the root? Anchors the plant, absorbs minerals and water, and stores organic nutrients. What part of the root system is responsible for absorbing the majority of minerals and water? The root hair. What two components create the stem? Internodes a...

WSU Bio 251 Exam 2 quiz and correct answers/WSU Bio 251 Exam 2 quiz and correct answers/WSU Bio 251 Exam 2 quiz and correct answers

WSU BIO 106 FINAL EXAM UPDATED Exam Questions and CORRECT Answers Apoplast vs symplast - Correct ANSWER- Apoplastic route water and solutes move along the continuum of cell walls and extracellular spaces 3 main tissues of a plant - Correct ANSWER- dermal, vascular, ground Root developed in response to low o2 - Correct ANSWER- pneumatophores What is not a plant hormone - Correct ANSWER- secretin phototropin/phytochrome - Correct ANSWER- These receive red light and control plant morphol...

How does BPA cause cancer? - it disrupts meiosis and mitosis causing breast and prostate cancer. 3 and 7 plastics may contain BPA What is a genetic fingerprint? how do you make one? - -Genetic Fingerprint: DNA uses the differences in base sequences to identify individuals. -DNA fingerprinting involves 3 tools: 1. PCR to get large amounts of DNA 2. Restriction digest with blunt ends to fragment the DNA with precision 3. Gel electrophoresis to separate and visualize the DNA fragments ...

WSU BIO 106 Exam 1 The three basic plant organs, ________, are organized into_____________. - Leaves, Stems, Roots; A shoot system and a root system Nodes - The point at which leaves are attached Internodes - The stem segments between nodes Root - -An organ that anchors the plant into the ground -Absorbs minerals and water from the tip -Stores organic nutrients -Root hairs increase surface area and absorb most of the water and minerals Axillary Bud - A structure that has poten...

Thoracic Wall - Answer-These are Muscles of the Rib Cage External Intercostals - Answer-Slant Downward and Forward Between Ribs Internal Intercostals - Answer-Slant Downward and Outward. Depress Ribs when You Forcefully Breathe Out External Oblique - Answer-Slants Same Direction as External Intercostals Inguinal Ligament - Answer-The Thick Inferior Edge of the EO Aponeurosis. An Important Land-mark in the "Groin" Internal Oblique - Answer-Slants Same Direction as Internal Intercostal. U...

WSU Bio 102 Exam 1 study guide 2024 with complete solution

Physiology vs Pathology - Answer-Physiology :Science of the normal function of living things Pathology:Study of the abnormal function of living things levels of organization in the body - Answer-1.Cells 2.Tissues 3.Organs 4. Organ systems cells - Answer-Cells Independently Carry Out All Life Processes differentiation - Answer-process by which cells become specialized to perform specific functions Differentiation results from altered gene expression in response to locally produced molecu...