Shared Flashcard Set

Details

Unit three
Unit three test review
50
Biology
9th Grade
11/08/2009

Additional Biology Flashcards

 


 

Cards

Term
A microscope which works by passing visible light through a specimen.
Definition
Light microscope
Term
A photograph taken from a microscope.
Definition
Micrograph
Term
The increase in apparent size of an object
Definition
Magnification
Term
The measure of the clarity of an image
Definition
Resolving power
Term
The theory that all living things are composed of cells and that all cells come from other cells.
Definition
Cell theory
Term
A microscope that uses a beam of electrons.
Definition
Electron microscope
Term
Type of electron microscope used to study the detailed architecture of cell surfaces.
Definition
Scanning electron microscope
Term
Type of electron microscope used to study the details of internal cell structures.
Definition
Transmission electron microscope.
Term
cell size and shape are related to- ?
Definition
function, physiology
Term

Cell sizes are limited as bigger cells have less ________ for the processes of ________ and _______.

(three terms)

Definition
surface area, absorption, excretion
Term
Bacteria and archaea consist of these types of unicellular cells.
Definition
Prokaryotic cells
Term
The four kingdoms other than archaea and bacteria are composed of _____ cells.
Definition

eukaryotic

 

Term
The DNA of a prokaryotic cell is randomly coiled in the ______ region.
Definition
nucleoid
Term
Are ribosomes found in prokaryotes?
Definition
yes
Term
Are plasma membranes found in prokaryotes?
Definition
yes
Term
are cell walls found in prokaryotes?
Definition
most of the time
Term
are capsules found in cell walls?
Definition
sometimes
Term
what is the order of the plasma membrane, cell wall, and capsule from the inside out?
Definition
plasma memb., cell wall, capsule
Term
What short projections help attach prokaryotes to surfaces?
Definition
pili
Term
What long projections help propel prokaryotes through liquid?
Definition
flagella
Term
are pili and flagella found on all prokayrotes?
Definition
no
Term
What is the fluid filled region between the nucleus and plasma membrane?
Definition
cytoplasm
Term
What are the specialized subunit within a cell that has a specific function, and is usually separately enclosed within its own lipid membrane?
Definition
organelles
Term
What is the name for the chemical activities of cells?
Definition
Cellular metabolism
Term
What is the genetic control center of a eukaryotic cell?
Definition
The nucleus
Term
What are the long strands of protein that nuclear dna is attached to?
Definition
Chromatin
Term
What does each chromatin fiber constitute?
Definition
A chromosome
Term
What is the double membrane perforated with pores that control the flow of materials into and out of the nucleus?
Definition
Nuclear envelope.
Term
What is the mass of fibers and granules adjoining the chromatin?
Definition
Nucleolus
Term
what does the nucleolus make?
Definition
ribosomes
Term
What is the name of the system of interrelated membranes inside of the eukaryotic structure?
Definition
Endomembrane system
Term
What are the two types of ER?
Definition
Smooth and Rough
Term
What are the two functions of rough ER?
Definition
Produces more membrane, and also synthesizes proteins.
Term
What is the tiny excretory sac of the Rough ER called?
Definition
Transport vesicle
Term
The main function of Smooth ER
Definition
The synthesizing of lipids
Term
The additional functions of smooth ER in the liver
Definition
The regulation of blood sugar, and the breakdown of toxins and drugs
Term
What organelle stores calcium ions in muscle tissue that are necessary for contraction?
Definition
Smooth ER
Term
What is the name of the organelle that finishes, sorts, and ships cell products, and is named after an Italian biologist?
Definition
Golgi Apparatus
Term
The organelle that digests waste and food from cells.
Definition
Lysosomes
Term
The organelle that breaks down bacteria in white blood cells and digests dead organelles in all cells
Definition
lysosomes
Term
What is another equivalent of a lysosome, that also serves to store water?
Definition
vacuole
Term
what is the plant cell's main vacuole called?
Definition
central vacuole
Term
What are the two main energy converting organelles?
Definition
chloroplasts and mitochondria
Term
What organelle carries out photosynthesis?
Definition
chloroplasts
Term
What organelle harvests and converts chemical energy from food?
Definition
Mitochondria
Term
What thick fluid is inside the chloroplasts?
Definition
stroma
Term
what are the stacks of disks in the chloroplast where solar energy is trapped?
Definition
Granum
Term
Does the mitochondria have an inner membrane?
Definition
yes, it does.
Supporting users have an ad free experience!