Chapter 3 Test Flashcards
Semi fluid of the cytoplasm
Cytosal
Where does protein synthesis occur?
Ribosome
What is the control center?
Nucleus
Intracellular structures with specific functions
Organelles
Responsible for forming SPINDLE during mitosis
Centrosome
Stores,modifies,sorts,packages, proteins and lipids
Golgi
Organelles that destroy bacteria and recycle workout cell parts
Lysosomes
Non membranous chemical substance that are produced and used by cells
Inclusions
Located inside the nucleus and helps to assemble ribosomes
Nucleolus
Where does cellular respiration occur?
Mitochondria
Passive transport depends on what to move materials?
Kinetic energy
When a solution reaches equilibrium ______ number of molecules move in and out of a cell
Equal
Mechanisms that move substances across a cell membrane REQUIRING ENERGY are known as what?
Active transport
What is the infolding of a cells membrane around a LIQUID droplet to bring it into the cell?
Pynocytosis
In a passive transport,net movement of substances is ______ their concentration gradient
Down
Movement of any substance from a HIGH CONCENTRATION TO A LOW concentration whether or not a membrane is involved is called?
Diffusion
Movement of any substance from a LOW CONCENTRATION TO A HIGH concentration is..?
Active transport
In exocytosis, those structures unite with the cell membrane and release their contents to the outside of the cell
Vesicles
PHAGOCYTOSIS is the process by which _____ are taken through a cell membrane
Insoluble solids
What does gradient mean?
Difference
The majority of the plasma membrane is composed of what??
Phospholipids
Cellular contents located between the plasma membrane and the nuclear membrane is called the what?
Cytoplasm
The two types or ER are?
Smooth and rough
The what are attached to the rough ER
Ribosomes
Lipid and carbohydrate metabolism is the function of what
Smooth ER
The largest, cell structured that contains DNA and the nucleolus
Nucleus
Examples of inclusions are…
Melanin, glycogen, fats
What is composed of 75-90% water
Cytosal
Raises or lowers condenser
Condenser adj. knob
Secures a slide for viewing
Slide holder
Lens, located beneath the stage opening which controls the light beam size
Condenser
Used preliminary focusing
Coarse adj. knob
Platform on which slides are placed on
Stage
Used for final focusing
Fine adj. knob
The part of the microscope used when we carry it
Arm
Controls the intensity of the light
Iris diaphragm
Term that is given to a microscope’s ability to distinguish and separate fine detail
Resolving power
The objective that comes closest to a specimen and is most likely to break a slide
100x- oil immersion
What do you do to find total magnification?
Multiply the ocular x objective
When you are viewing an object under low power, do you see more or less of the object as compared to high power?
More
What property of the microscope allows you to change from one objective to another without having to make any major focusing adjustments?
Parfocal
Red blood cells may swell and rupture if placed in a what solution
Hypotonic solution
Hemolysis
Hypertonic means that a solution has more what as compared to another solution
Solute
The movement of a substance from high to low concentration through the plasma membrane with the help of a channel protein is known as…?
Facilitated diffusion
