biology 171

BIO 171 Microbiology Module 1 Exam- Portage Learning/BIO 171 Microbiology Module 1 Exam- Portage Learning/BIO 171 Microbiology Module 1 Exam- Portage Learning/BIO 171 Microbiology Module 1 Exam- Portage Learning/BIO 171 Microbiology Module 1 Exam- Portage Learning/BIO 171 Microbiology Module 1 Exam- Portage Learning

BIO 171 Module 2 Exam Exam 2 1. True or False: As movement requires energy, metabolism can be defined as a controlled set of biochemical reactions that occur in only motile organisms in order to maintain life. False. Metabolism occurs in all living organisms, not just those that move. 2. True or False: Enzymes slow down chemical reactions to conserve energy. False. Enzyme catalyze (speed up) chemical reactions. 3. What is a cofactor? And give a general example. A cofactor is a small chemical com...

BIO 171 Module 1 Exam Exam 1 1. True or False: A virus is considered a microorganism. False. Viruses are not living and as such are not considered microorganisms. Viruses can, however, be clas sified as microbes, a more general term that includes microorganisms and viruses. 2. What is the smallest biological unit of life? A cell. 3. At a generalized level, all cells are comprised of what? Macromolecules* *A student may also answer: Proteins, Lipids, Nucleic acids and Polysaccharides but they mus...

BIO 171 Module 3 Exam Exam 3 . A nanometer is defined as: A. 10-3 B. 10-6 C.10-9 D. 10-12 C. A nanometer is defined as one-billionth of a meter. 2. True or False: A nanometeris longer than a micrometer. False. A nanometer is 1,000 times smaller than a micrometer. 1. Resolution and contrast are two critical factors that influence your ability to see an object. Explain each. Resolution refers to the distance between two objects at which the objects still can be seen as separate. Poor or low resolu...