Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/59

Click to flip

59 Cards in this Set

  • Front
  • Back
Does a prokaryotic cell have a nucleus?
no
Which type of cell can be single-celled or multicellular?
Eukaryote
Which part of a microscope contains a magnifying lens?
the eye-piece
What does the body tube do?
Keeps the right distance between the eyepiece and the objective lens
Which part of the microscope supports the body tube?
Arm
What does the revolving nose piece do?
Rotates to change the magnification
What does the stage do?
Supports the slide that you are looking at.
The high-power objective
magnifies 43x
The opening in the stage allows what through
light
Low-Power objective
magnifies by 10x
What does the fine-adjustment do?
Moves the body tube just a little to sharpen the focus
What holds the slide in place?
Stage clips
What type of adjustment moves the body tube up and down to focus?
Course Adjustment
The diaphragm lever...
Opens and closes the diaphragm
What supports the microscope?
Base
What regulates the amount of light entering the body tube?
The diaphragm
The illuminator
produces and reflects light through the body tube
What did Schleiden, Schwann, & Virchow do?
Their work led to the development of the cell theory
How do you clean the lenses of the microscope?
With a lens paper
If you are using high power which adjustment would you use?
Fine adjustment
When you increase magnification your field size does what?
decreases
Eukaryotic cells are bigger than how many microns?
10 microns
How many chromosomes does a prokaryote have?
1
Polar substances attract _________
water
What type of cells have centrioles?
animal cells
How many amino acids are there?
20
How do we get amino acids?
From proteins
Monosaccharide means
one sugar
C H O is the formula for what?
a disaccharide
What is the formula for cellulose?
(C H O )x
Field of View
The white circle of light you see when you look in the microscope
Which power has the smallest field of view?
High-Power
How many statements does the Cell theory have?
3
What is the support structure within the cytoplasm called?
cytoskeleton
What is the cytoskeleton made out of?
a thin, fibrous element
What do cillia and flagella do?
move the cell
What are cillia?
short hairlike projections from the plasma membrane
Which type of cells are unicellular - prokaryottes or eukaryotes
prokaryotes
In what type of cells are cillia and flagella the major means of locomotion?
Prokaryotes
What unit of measurement is used to determine the size of samples being looked at under a microscope?
micrometer
The idea that living things are made up of cells is called the ___________
Cell Theory
Revolving Nosepiece allows you to ___________
switch objectives
Which power do you start your observation with?
Scanning
How do you find the total magnification of a microscope with an eyepiece of 10x and an objective of 20x?
You multiply the eyepiece magnification and the objective magnification.

10 x 20 = 200x
How many micrometers are in a millimeter
1,000
Mitochondria
The "power houses"

transform food into energy
Nuclear Membrane
Regulates what enters and exits the nucleus of the cell
Nucleolus
Where ribosomes are made
Nucleoplasm
Fills the nucleolus
Nucleus
Holds the genetic information of the cell. It is the control center.
Ribosomes
Produce proteins
Vacuole
Where water, carbohydrates, waste, etc. is stored in a cell
Cell Wall
Provides structure and protection to the cell.
Cell Membrane
Regulates what enters and exits the cell
Centriole
Aids in cell division. Are only in animal cells
Chloroplast
Changes light into energy in plant cells.
Chromosomes
Contain the gender information of a cell.
What are the 2 types of cells?
Prokaryotes, and Eukaryotes
What are the 2 types of Eukaryotic cells?
Plant cells and Animal cells