BIO 205 Quiz 1 Questions and Answers 100% Pass

BIO 205 Quiz 1 Questions and

Answers 100% Pass


What does abiogenesis refer to? Who finally settled the spontaneous generation

debate? - CORRECT ANSWER-Theory that life can arise spontaneously from

nonliving matter.

role of Louis Pasteur in development of microbiology - CORRECT ANSWER-

father of modern microbiology; demonstrated that microbes are everywhere

(including in the air)

role of Anton van Leeuwenhoek in development of microbiology - CORRECT

ANSWER-first to get a glimpse of the microbial world; called microbes

"animalcules"

role of Francesco Redi in development of microbiology - CORRECT ANSWER-

first to disprove Aristotle's findings (theory of spontaneous generation);

demonstrated worms found on rotting meat come from eggs of flies

characteristics of prokaryotic cells - CORRECT ANSWER--divided into two main

types: bacteria & archaea

-unicellular

, -no nuclear membrane/ no nucleus (no membrane-covered organelles)

-contain nucleoid

-single, circular chromosome (circular DNA)

-hard cell wall

-have ribosomes that make proteins

characteristics of eukaryotic cells - CORRECT ANSWER--multicellular

-contain nucleus

-much larger & more complex

-include all living things that are not bacteria

-more DNA (stored in nucleus)

-linear DNA

-all have cell membrane (plants have cell wall)

bacteria - CORRECT ANSWER--most common type in human infection

-members widely diverse

-multiply by binary fission

-one cell divides into two

-each cell is genetically identical to the first




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