BIO 101 EXAM 1 QUESTIONS WITH COMPLETE AND
ACCURATE SOLUTIONS.
What is Biology? -- Answer ✔✔ Study of life; encompasses everything
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-biomolecular biology and technology have brought around a new era for biology __ __ __ __ __ __ __ __ __ __ __
What are the major characteristics of Life? -- Answer ✔✔ 1) reproduction (DNA
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(deoxyribose nucleic acid); double helix shape; stores genetic info) __ __ __ __ __ __ __ __
2) cellular respiration (used to create energy) (metabolism; need it to perform basic
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functions of life; food (carbs, proteins, lipids/fats, vitamins/minerals)
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3) adaptation/evolve (over large periods of times traits of organizations)
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modified
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4) growth and development (DNA lays out the "plan")
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5) organization (very specific; organization of organs/structure)
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6) cells (basic building blocks of life; need only one to be considered living)
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7) respond (response to stimuli (light, touch, heat, etc.); need in order to survive)
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What is a cell? -- Answer ✔✔ - basic building blocks of life
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- not always apparent; first seen with a microscope
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- cells were discovered by Hook in 1655
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- first cells discovered were from cork
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- theory wasn't generally accepted due to the challenge of trying to convince people of
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this drastic change __ __
What is cell theory? -- Answer ✔✔ - proposed in 1800's
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- lowest level of structure performs all characteristics of life
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- arise from previously existing cells
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What is metabolism? -- Answer ✔✔ - energy breakdown; needed for food
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- glucose is the "best"
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- C6H12O6 (formula for glucose)
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- breaks (catabolic reaction) down to carbon dioxide and water [ CO2 + H2O]
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, Difference between anabolic and catabolic reactions? -- Answer ✔✔ - anabolic- building
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up of molecules, etc.
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- i.e.: anabolic steroids (build up muscle)
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- catabolic- breaking down of molecules
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Bean Beetle Lab -- Answer ✔✔ - learn how to determine if alive or dead
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- if alive, beetles should be giving off carbon dioxide
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- if dead, bean beetles may be giving off CO2 but only
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because the decomposition process
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- CO2 measured in ppm
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- calculate amount per bean beetle
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x (ppm)/ number of bb = ppm/bb
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every 15 mins = [x / # of bb] / 15
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every 1 hour = [x/ #of bb] x 4
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every sec = [x / # of bb] / 60
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- used loggerpro prgm; used CO2 probe
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Are viruses alive? -- Answer ✔✔ - depends on what you argue
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- relies on a host cell to reproduce
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What is science? -- Answer ✔✔ - latin "to know"
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- asking questions about nature
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- believe questions can be answered
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Steps of the Scientific Method -- Answer ✔✔ 1) Make an Observation
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2) Ask a question
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3) Form a Hypothesis ("if, then" statement)
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- accept (agree with conclusions)
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- reject (disagree, continue testing)
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4) Experimental Design/ testing
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5) Form a conclusion
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Control in an experiment -- Answer ✔✔ - must always have a control
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- does not have variables
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- does not change; will not be affected
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ACCURATE SOLUTIONS.
What is Biology? -- Answer ✔✔ Study of life; encompasses everything
__ __ __ __ __ __ __ __ __ __
-biomolecular biology and technology have brought around a new era for biology __ __ __ __ __ __ __ __ __ __ __
What are the major characteristics of Life? -- Answer ✔✔ 1) reproduction (DNA
__ __ __ __ __ __ __ __ __ __ __ __ __
(deoxyribose nucleic acid); double helix shape; stores genetic info) __ __ __ __ __ __ __ __
2) cellular respiration (used to create energy) (metabolism; need it to perform basic
__ __ __ __ __ __ __ __ __ __ __ __ __
functions of life; food (carbs, proteins, lipids/fats, vitamins/minerals)
__ __ __ __ __ __ __
3) adaptation/evolve (over large periods of times traits of organizations)
__ __ __ __ __ __ __ __ __
modified
__
4) growth and development (DNA lays out the "plan")
__ __ __ __ __ __ __ __
5) organization (very specific; organization of organs/structure)
__ __ __ __ __ __
6) cells (basic building blocks of life; need only one to be considered living)
__ __ __ __ __ __ __ __ __ __ __ __ __
7) respond (response to stimuli (light, touch, heat, etc.); need in order to survive)
__ __ __ __ __ __ __ __ __ __ __ __ __
What is a cell? -- Answer ✔✔ - basic building blocks of life
__ __ __ __ __ __ __ __ __ __ __ __
- not always apparent; first seen with a microscope
__ __ __ __ __ __ __ __
- cells were discovered by Hook in 1655
__ __ __ __ __ __ __
- first cells discovered were from cork
__ __ __ __ __ __
- theory wasn't generally accepted due to the challenge of trying to convince people of
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __
this drastic change __ __
What is cell theory? -- Answer ✔✔ - proposed in 1800's
__ __ __ __ __ __ __ __ __ __ __
- lowest level of structure performs all characteristics of life
__ __ __ __ __ __ __ __ __
- arise from previously existing cells
__ __ __ __ __
What is metabolism? -- Answer ✔✔ - energy breakdown; needed for food
__ __ __ __ __ __ __ __ __ __ __
- glucose is the "best"
__ __ __ __
- C6H12O6 (formula for glucose)
__ __ __ __ __
- breaks (catabolic reaction) down to carbon dioxide and water [ CO2 + H2O]
__ __ __ __ __ __ __ __ __ __ __ __ __
, Difference between anabolic and catabolic reactions? -- Answer ✔✔ - anabolic- building
__ __ __ __ __ __ __ __ __ __ __ __
up of molecules, etc.
__ __ __
- i.e.: anabolic steroids (build up muscle)
__ __ __ __ __ __ __
- catabolic- breaking down of molecules
__ __ __ __ __
Bean Beetle Lab -- Answer ✔✔ - learn how to determine if alive or dead
__ __ __ __ __ __ __ __ __ __ __ __ __ __
- if alive, beetles should be giving off carbon dioxide
__ __ __ __ __ __ __ __ __
- if dead, bean beetles may be giving off CO2 but only
__ __ __ __ __ __ __ __ __ __ __ __
because the decomposition process
__ __ __ __
- CO2 measured in ppm
__ __ __ __
- calculate amount per bean beetle
__ __ __ __ __
x (ppm)/ number of bb = ppm/bb
__ __ __ __ __ __ __
every 15 mins = [x / # of bb] / 15
__ __ __ __ __ __ __ __ __ __ __
every 1 hour = [x/ #of bb] x 4
__ __ __ __ __ __ __ __ __
every sec = [x / # of bb] / 60
__ __ __ __ __ __ __ __ __ __
- used loggerpro prgm; used CO2 probe
__ __ __ __ __ __
Are viruses alive? -- Answer ✔✔ - depends on what you argue
__ __ __ __ __ __ __ __ __ __ __
- relies on a host cell to reproduce
__ __ __ __ __ __ __
What is science? -- Answer ✔✔ - latin "to know"
__ __ __ __ __ __ __ __ __
- asking questions about nature
__ __ __ __
- believe questions can be answered
__ __ __ __ __
Steps of the Scientific Method -- Answer ✔✔ 1) Make an Observation
__ __ __ __ __ __ __ __ __ __ __
2) Ask a question
__ __ __
3) Form a Hypothesis ("if, then" statement)
__ __ __ __ __ __
- accept (agree with conclusions)
__ __ __ __ __
- reject (disagree, continue testing)
__ __ __ __ __
4) Experimental Design/ testing
__ __ __
5) Form a conclusion
__ __ __
Control in an experiment -- Answer ✔✔ - must always have a control
__ __ __ __ __ __ __ __ __ __ __ __ __
- does not have variables
__ __ __ __
- does not change; will not be affected
__ __ __ __ __ __ __
