Microbiology Demystified

mole of a hydrogen molecule H 2 equals 2 g. Water has one oxygen atom. Therefore, multiply 1 ×16 g. One mole of oxygen is 16 g. ...

THE pH SCALE There must be a balance between acids and bases in order to maintain life. An imbalance disrupts homeostasis. The a ...

The pH value of chemical compounds in living things naturally fluctuates during metabolism. Metabolismis a collection of chemica ...

A large organic compound is called a macromoleculewhich in many cases is a polymer. Amacromoleculecan be reduced to its monomer ...

are disaccharides. Sucrose contains glucose and fructose. Lactose contains glucose and galactose. Polysaccharides. A polysaccha ...

Secondary. The secondary structure is locally folded and is the repeated twisting of the polypeptide chain that links together ...

Nucleic acids form by the joining of nucleotides that have stored energy that the microorganism needs for metabolism. Enzymes fo ...

the ability to synthesize proteins. Protein controls activities of the cell. Some microorganisms, such as viruses contain either ...

(c) Isotope (d) Stable element How is the valence shell used? (a) The valence shell is used in bonding together two stable atom ...

What kind of reaction performs synthesis and decomposition? (a) Endergonic reaction (b) Fusion reaction (c) Fission reaction (d ...

3 CHAPTER 47 Observing Microorganisms Growing up you were probably forever being told to wash your hands so you would not become ...

small a microorganism really is, but there’s a problem using them to describe size. What is tiny? Are we talking about the diame ...

It is usually at this point in the study of microbiology when some students begin a slow panic because they must learn a new mea ...

A meter is the standard for length in the metric system. Akilogramis the stan- dard for mass in the metric system. Agramuses the ...

Here’s Looking at You The principal way a microbiologist studies microorganisms is by observing them through a microscope. Amicr ...

of sources, such as the sun, a light bulb, or a radio transmitter. It takes the form of a wave similar in shape to an ocean wave ...

The specimen is the focal point, which is the place where all the reflected light originates. Light travels in a straight line f ...

You probably saw a distorted image when using a magnifying glass and were able to minimize the distorted effect by changing the ...

Illuminator.This is the light source located below the specimen. Condenser.Focuses the light through the specimen. Stage.The pl ...

mark is color-coded and other times the magnification is etched into the side of the objective. RESOLUTION The area that you see ...