Study guides, Class notes & Summaries

What is cellular metabolism? - correct answer Metabolism is a controlled set of biochemical reactions that occur in living organisms in order to maintain life What is the primary function of enzymes, and how are they regulated? - correct answer Enzymes speed up chemical reactions. Most notably, the enzyme is not consumed during the reaction and can be used repeatedly by the cell. Enzymes can also be ...

True or False: Metabolism is a controlled set of biochemical reactions that occur in living organisms in to maintain life - correct answer True T/F: Enzymes are polysaccharides that catalyze chemical reactions - correct answer False (enzymes are proteins) What are usually metal ions and assists enzyme during the catalysis reaction? - correct answer Co...

Define the concept of universal precautions. - correct answer Universal precautions means any and all samples, whether known or unknown, are to be treated as potentially hazardous (or pathogenic) materials. List at least 3 observations a researcher would be sure to note while assessing an unknown microbial sample. - correct answer A lab researcher would be certain to note: 1. Size and shape 2. Any ...

Microbiology is the study of what? - correct answer Microbiology is the study of microbes (microorganisms and viruses) and their biological processes. What is the smallest biological unit of life - correct answer cell What is a macromolecule? - correct answer A macromolecule is classified as a complex molecule that is composed from smaller subunits. ...

True or False: A virus is considered a microorganism - correct answer false what is the smallest biological unit of life? - correct answer cell At a generalized level, all cells are comprised of what? - correct answer macromolecules Animalia, plantae, Fungi, and protista are all classification under what type of organism? - correct answer ...

True or false: metabolism is a controlled set of biochemical reactions that occur in living organisms in order to maintain life. - correct answer True True or false: enzymes slow down chemical reactions to conserve energy - correct answer false, they speed up (catalyze) chemical reactions The term for metal ions that assist enzymes during the catalysis reaction - correct answer ...

A nanometer is defined as: - correct answer 10 -9 or one-billionth of a meter True or False: A nanometer is longer than a micrometer - correct answer False A nanometer is 1000x smaller than a micrometer Resolution and contrast are two critical factors that influence your ability to see an object. Explain each. - correct answer Resolution refers to ...

True/False. A virus is considered a microorganism. - correct answer False True or False: The smallest biological unit of life is the molecule. - correct answer False At a generalized level, all cells are comprised of what? - correct answer Macromolecules A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they must a...

BIOD 171 EXAM 3 EXAM QUESTIONS AND ANSWERS Micrometer (um) - ANSWER- - one-millionth of a meter and is commonly designated at 10 ^-6 meters. - used to measure the size of cells Nanometer (nm) - ANSWER- 10^-9 meters or one-billionth of a meter - measures cellular organelles and viruses What are the two critical factors that influence your ability to see an object? - ANSWER- - resolution and contrast Resolution - ANSWER- the distance between two objects at which the objects still can b...

BIOD 171 FINAL EXAM STUDY GUIDE QUESTIONS AND ANSWERS Microbiology is the study of what? - ANSWER- Microbiology is the study of microbes (microorganisms and viruses) and their biological processes. What is the smallest biological unit of life - ANSWER- cell What is a macromolecule? - ANSWER- A macromolecule is classified as a complex molecule that is composed from smaller subunits. What are the four main types of macromolecules? - ANSWER- Proteins, nucleic acids, lipids and carbohydra...