cell jeopardy
DESCRIPTION
Cell Jeopardy. $10 Microscopes. What is the magnification of a 10X eyepiece and a 40X objective? Who first coined the word “cells?” ANSWER: 400 X Hooke. $20 Microscopes. If the field diameter was 4 mm, how many µm would that be? nm? ANSWER: 4,000 µm - PowerPoint PPT PresentationTRANSCRIPT
Cell Jeopardy
$10 Microscopes
• What is the magnification of a 10X eyepiece and a 40X objective? Who first coined the word “cells?”
• ANSWER: 400 X• Hooke
$20 Microscopes
• If the field diameter was 4 mm, how many µm would that be? nm?
• ANSWER: 4,000 µm
• How many nm? 4,000,000
$30 Microscopes (3)
• What type of microscope would view an organism 2500 X’s and its internal structures?
• Type of microscope to view atoms?• Who made the first microscope?
• ANSWER: TEM• SPM• Leeuvenhoek
$40 Microscopes
• What term means “clarity, or being able to distinguish two objects as separate?”
• What term means the objectives will stay in focus if you just turn the revolving nosepiece?
• ANSWER: resolution (or resolving power)• parfocal
$50 Microscopes
• What is the size of this organism? (mm + µm) What is the field diameter?
• ANSWER: 0.5 mm or 500 µm
• F.D. = 1.5 mm
OSMOSIS APPLICATION
• Go back to your lab table and look at the potatoes. Write answer to question #3. (Which is crisp and which is saggy?)
$60 Microscope
• Describe how to prepare a wet mount: (pic next slide)
• ANSWER: 1. object on slide
• 2. Drop of water on slide
• 3. Cover slip on water and object.
Wet Mount
$70 Microscopes
• Show where these are on a compound light microscope:stage
• Condenser• Iris diaphragm• Coarse adjustment• Fine adjustment
$10 Nicknames
• What organelle would be known as “the genetic control center?”
• ANSWER: nucleus
SNEAKER: WHAT DOES
• “in equilibrium” mean?
• ANSWER: concentration of solute is the same throughout the solution
$20 Nicknames (2)
• What organelle is the powerhouse of the cell?
• What structure of the plasma membrane is for identification markers?
• ANSWER: mitochondrion• ANSWER: carbohydrate chains
$30 Nicknames (3)
• What could be called the “ribosome factory?”• What is the name of movment in and out of the
plasma membrane that uses ATP?• Do prokaryotes contain membraned-bound
organelles like eukaryotes?
• ANSWER: nucleolus• ANSWER: active transport• ANSWER: no
$40 Nicknames (2)
• What organelle means “network of channels within a cell?”
• What are two other names for the cell membrane?
• ANSWER: Endoplasmic reticulum• ANSWER: plasma membrane Phospholipid bilayer
$50 Nicknames (2)
• What organelle means “breakdown body” or “clean-up crew?”
• How is osmosis and diffusion different?
• ANSWER: lysosome• ANSWER: osmosis is water moving
through a selectively permeable membrane
$60 Nicknames(2)
• What could be called ”pita bread shaped warehouse and finishing factory?”
• Describe “receptor-mediated endocytosis.”
• ANSWER: Golgi apparatus• ANSWER: indentation of plasma
membrane has receptors that fill and fall into the cytoplasm as a food vacuole
$70 Nicknames
• What would be called in a cell:(A) the supportive meshwork of fine fibers AND (B) the “solar power system?”
• ANSWER: (A) cytoskeleton• (B) chloroplasts
Cell Structure and FunctionMatching
P. Has
enzymes)
$10 Picture It
• What is this in the cell picture?
• ANSWER:
• Golgi apparatus
$20 Picture It
• How could you tell the difference between ER and Golgi in a cell picture?
• ANSWER: ER is connected and Golgi are not connected stacks
$30 Picture It
• How could you tell differences between mitochondria and chloroplasts?
• ANSWER: mitochondria have wavy inner membrane and chloroplasts have green stacks
$40 Picture It
• Draw a red blood cell in a hypertonic solution. Draw the arrows of the flow of water. Identify the hypertonic and the hypotonic solutions.
hypo
$50 Picture It
• How would you tell the difference in a cell diagram among:–Vacuoles
–Lysosomes
–Ribosomes?
Has enzymes
smallest
Food/water storage
$60 Picture It
• What are these structures in the bacterial picture? A,B,C
• (answers next slide)
$60 Picture It
• What are these structures in the bacterial picture? A,B,C
• A-Capsule - sticky
• B-Cell wall-thick, stiff
• C-plasma memb.-thin
What two structures of the prokaryote help it stick to the
surface?• Capsule (A)
• Pili (I)
$70 Picture It
• Show two structures that would be in:an animal cell that would not be in a plant cell AND
• Would be in a plant cell that would not be in an animal cell
• (SEE DIAGRAMS NEXT SLIDE)
ANIMAL PLANT
Animal Plant Centrioles, Cilia Chloroplasts, Cell Wall
Go Back to Lab
• Do question #1 of the Osmosis Applications.
$10 Just Do It!
• What controls the materials that comes in and out of a cell?
• ANSWER: plasma membrane
$20 Just Do It!
• What structure carries proteins between ER and the Golgi apparatus and to the plasma membranes?
• ANSWER: vesicles
$30 Just Do It!
• Which microtubules are used in cell division in an animal cell? centrioles
• Which microtubules are long and few in protists? Flagella
• Many and short in protists? cilia
• ANSWER: centrioles
• ANSWER: flagella cilia
$40 Just Do It!The green ones
The wavy ones
Whole circle
Wavy inside
Dark center
$40 Just Do It!The green ones: chloroplasts
The wavy ones: mitochondrion
Whole circle
(Nucleus)
Wavy inside
(Chromatin)
Dark center
(nucleolus)
cytoskeleton
Golgi apparatus
$50 Just Do It!
• How are these related?– Chromatin – Chromosomes– DNA
• ANSWER: chromatin (loose DNA + protein) Chromosomes (tightly coiled DNA + protein) DNA (genetic molecule)
•
$60 Just Do It!
• What is the correct term?
• Engulfing of large particle
• Engulfing of water
• Waste leaving cell
• Engulfing particles into cell in general
$60 Just Do It!• What is the correct term?• Endocytosis of large particle• A: phagocytosis• Endocytosis of water• A: pinocytosis• Waste leaving cell• A: exocytosis• Engulfing in general• Endocytosis
$70 Just Do It!
• What do each of these organelles make? Nucleolus Smooth ER Rough ER
• ANSWER: nucleolus (ribosomes) Smooth ER (lipids) Rough ER (proteins)
$10 Misc.
• What is the smallest organelle? What is the largest organelle?
Ribosomes nucleus vacuole lysosome vesicle mitochondrion
• ANSWER: ribosomes (smallest)• Largest: nucleus (animal) water vacuole (plant)(sm) Ribosomes Vesicles Lysosome Vacuole
Mitochondrion Nucleus (lg)
$20 Misc.
• IF you placed a plant cell in a hypotonic solution what direction would the water flow? Where are the hypotonic and the hypertonic solutions?
$20 Misc.
hyper
$30 Misc.
• What is the largest cell known?
• What is the smallest cell known?
• ANSWER: Ostrich egg
• Mycoplasmas bacteria
$40 Misc.
• What two structures of bacteria help it stick to its surfaces?
• ANSWER: pili and capsule
$50 Misc.
Name the organelles:
A.
B.
C.
D.
E.
$50 Misc.
Name the organelles:
A.Rough ER
B. Mitochondrion
C.Smooth ER
D. Nucleolus
E. Ribosome
$60 Misc.
• When you first place a slide on a microscope:
• What power do you use first• Where is the stage located?
• ANSWER: lowest power (4x)• stage is closest to
objective
$70
• Trace the path of a protein-What happens at each position?
• In rough ER
• How transported to Golgi
• What Golgi does to proteins
• Where proteins are stored
Proteins assembled Carried to Golgi Repackages protein Stored in vacuole