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Unit 2 Study Guide

Lilli-Life Science Viruses, Bacteria, Protoctists, and Fungi

Are Viruses made up of cells? No, they are made up of a protein and nucleic acid.
How are bacteria different from all other types of cells? They have no nucleus.
Do all protoctists photosynthesize? No, some are animals.
How do amoebas move? pseudopods
What is a red tide? Dinoflagelates multiply and discolor the water.
What is an example of a protoctist that resembles fungi? slime molds
Describe 3 ways protoctists move (flagella, cilia, and pseudopods) and give an example of a protoctist that uses each. Dinoflagellates (flagella), paramecium (cilia), amoeba (pseudopods)
How do fungi reproduce? (3 ways) Spores, conjugation, and budding
What are spores? small reproductive cells
How are fungi different from plants? Don't have chlorophyll, reproduce differently
What do diatoms form around them and what do we use them for? Shells - used in toothpaste and car polish
Why would wearing a gauze mask not eliminate your risk for getting influenza? It spreads through droplets in the air that can attach to any cell.
Where do protoctists live? water
What are hyphae? Threadlike filaments that produce enzymes to break down organisms.
Mumps V
Athlete's foot F
Dysentery P
Tetanus B
Malaria P
Chicken Pox V
Tuberculosis B
Hepatitis V
Viral nucleic acids often resemble the nucleic acids of their _____. Host
Bacteria reproduce _________ through binary fission and budding. asexually
Nitrogen-fixing bacteria help plants make _____. protein
Lichens grow very very slowly (how slowly)! one centimeter per year!
In mycorrhizal relationships fungi transport essential nutrients to the roots of trees; the trees provide fungi with _____________. moisture and sugar
__________ need proper temperature, moisture and food to survive until they produce spores of their own. Fungi
A virus must __________________ a cell in order to produce new viruses. enter and infect
___________ may cause food poisoning but DO NOT cause AIDS or the flu. Bacteria
_____________ that are autotrophs contain chlorophyll, give off oxygen and get their energy from the sun. Protists
Fungi grow best in _____________ conditions. warm and damp
Created by: weirfamily