Cells & Microscope- TK

Carbohydrate structure

Elements: C H O

Structure: Rings

Carbohydrate building blocks

Simple sugar

Carbohydrate Function

Multiple Choice

Which of the following elements is required in an organic compound?

• nitrogen

• oxygen

• carbon

• sodium

Multiple Choice

Elements found in carbohydrates

• C,H,O

• C,H,O,N

• C,H,O,N,P

Multiple Choice

Which compound is inorganic?

• Glucose (C₆H₁₂O₆)

• Ethane (C₂H₆)

• Carbon Dioxide (CO₂)

• Stearic Acid (C₁₈H₃₆O₂)

Multiple Choice

What is the main function of carbohydrates in the body?

• Protect the organs

• Keeps you feeling full

• Supply energy for cells

• Repairs body tissues

Multiple Choice

Sugars (glucose) and starch are examples of this organic molecule:

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Protein structure

Elements: C H O N

Protein building blocks

Amino Acids

Protein Function

Repair and build your body's cell parts & tissues

Help chemical reactions

Multiple Choice

Amino acids are the building blocks of

• Carbohydrates 

• Lipids

• Proteins 

• Nucleic Acids

Multiple Choice

Elements found in proteins

• C,H,O

• C,H,O,N

• C,H,O,N,P

Multiple Choice

Proteins are made out of smaller molecules known as:

• monosaccharides

• amino acids

• nucleic acids

• lipids

Multiple Choice

What is chemical energy?

• The energy stored in the bonds of molecules; fuel energy

• The energy stored in the nucleus of an atom

• gasoline in a car

• The heat energy of substances due to the atoms and molecules vibration

Object under a microscope is

• Larger/magnified/bigger
• Upside down
• Backwards
• Detailed

Field of View (FOV)

• What you can see in the circle

Field of View

Low Power

• Large
• Bright

High Power

• Small
• Dark

e

Diaphragm

• Adjusts the amount of light

Movement of slide

•Opposite direction

–Ex: Move slide to the right;

specimen moves left

Total Magnification

(Ocular) x (Objective) = TM

A microscope has an ocular of
10xand objectives with 15x &
50x. What is the lowest total
magnification possible?

(10x) x (15x) = 150x

Example

A microscope has an ocular of
20xand objectives with 20x &
40x. What is the highest total
magnification possible?

(20x) x (40x) = 800x

Example #2

Diameter

• Diameter ÷

estimated # that fit
across

• 1mm = 1000µm

Multiple Choice

What is Part 12

• Fine Adjustment Knob

• Coarse Adjustment Knob

• Diaphragm

• Objective

Multiple Choice

What is Part 13

• Fine Adjustment Knob

• Course Adjustment Knob

• Stage

• Diaphragm

Multiple Choice

What is Part 7

• Stage

• Stage Clips

• Light Source

• Diaphragm

Multiple Choice

Regulates the amount of light on the specimen

• Diaphragm

• Stage

• Ocular Lens

• Objective Lenses

Multiple Choice

Field of view is......

• The size of the specimen

• The size of the slide

• The area you can see under the microscope

• The area from which your specimen came

Multiple Choice

As you move from low power to high power, the field of view becomes

• Darker and larger

• Darker and smaller

• Brighter and larger

• Brighter and small

Multiple Choice

The largest field of view shown is under the total magnification _____X.

• 40

• 100

• 400

Multiple Choice

If you wanted to center the image what direction would you move your slide in?

• Down and left

• Down and right

• Up and left

• Up and right

Multiple Choice

Which part of the microscope do you never use under high power?

• Diaphragm

• Coarse adjustment

• Stage

• Fine adjustment

Multiple Choice

Which part of the microscope should you use to focus the image?

• Diaphragm

• Coarse adjustment

• Stage

• Fine adjustment

Multiple Choice

What will be the total magnification if the ocular lens is 10X and the objective lens is 40X?

• 40X

• 10X

• 100X

• 400X

Multiple Choice

If the total magnification is 100x and the objective is 10x, what is the ocular?

• 90x

• 10x

• 110x

• 1000x

Multiple Choice

How many microns (µ) are in a millimeter (mm)?

• 10 µ

• 100 µ

• 1,000 µ

• 0.1 µ

Multiple Choice

How many microns μm = 1 mm?

• 1,000

• 1,000,000

• 10,000

• 100,000

Multiple Choice

You can find total magnification by which of the following methods?

• ocular PLUS objective

• ocular TIMES objective

• ocular MINUS objective

• ocular DIVIDED BY objective

Multiple Choice

If you look at a letter such as "e" under the microscope, then how does it look when you are viewing the image?

• upside down and backward

• upside down and distorted

• upside down and front view

Multiple Choice

When making a wet mount, place the coverslip at a 45-degree angle to reduce air bubbles.

• True

• False

Multiple Choice

This picture shows that the microscope:

• only flips images upside down

• only flips images over backwards

• flips the image upside down and backwards

• doesn't flip the image at all

Multiple Choice

The best way to avoid air bubbles when making a wet mount slide is to:

• drop the cover slip on at an angle

• drop the cover slip on flat

• squeeze the slide and cover slip after it is on

• tap on the cover slip once it is in place

Multiple Choice

1.   Describe the purpose of staining cells before viewing them with a microscope

• To clean them

• So they absorb the liquid and grow

• So the parts of the cells can be seen

• So they shrink making them easier to look at

Multiple Choice

Which laboratory procedure is represented in the diagram below?

• placing a coverslip over a specimen

• removing a coverslip from a slide

• adding stain to a slide without removing the coverslip

• reducing the size of air bubbles under a cover- slip

Multiple Choice

Which laboratory technique is shown in the diagram?

• testing a specimen for amino acids

• determining the pH of a specimen

• measuring the photosynthetic rate in a specimen

• preparing a wet mount slide of a specimen