Biology 1406 Exam 1 Review
(updated) questions and answers
Hierarchy of Life from smallest to largest - correct answer ✔✔ 1. Cell
2. Multicellular Organism
3. Population
4. Community
5. Ecosystem
6. Biosphere
What is between cell and multicellular organism? - correct answer ✔✔ tissue and organ system
Cell - correct answer ✔✔ smallest unit of life
How many organ systems are there? - correct answer ✔✔ 11
organisms - correct answer ✔✔ individual living things
community - correct answer ✔✔ All the different populations that live together in an area
Ecosystem - correct answer ✔✔ include communities that interact through their shared physical
environment but not living
example of ecosystem - correct answer ✔✔ home, rocks, sand
,Biosphere - correct answer ✔✔ Consists of all life on Earth and all parts of the Earth in which
life exists, including land, water, and the atmosphere.
Central Dogma - correct answer ✔✔ DNA-transcription-RNA-translation-protein
Energy flow - correct answer ✔✔ 1. cellular respiration (makes ATP)
2. photosynthesis (makes glucose needed to make ATP)
3. potential vs. kinetic energy
4. thermodynamics
What determines the function of a protein? - correct answer ✔✔ shape
Nothing in life is random except what? - correct answer ✔✔ mutations and crossing over
Evolution - correct answer ✔✔ Change over time; famous people; adaptions; mutations; natural
selection (survival of the fittest)
deoxyribonucleic acid (DNA) - correct answer ✔✔ A complex molecule containing the genetic
information that makes up the chromosomes.
What makes proteins? - correct answer ✔✔ DNA
Information in DNA is copied to what? - correct answer ✔✔ RNA
Transcription - correct answer ✔✔ process of going from DNA to RNA
What carries out most activities of life? - correct answer ✔✔ Proteins
, Message obtained from RNA is what? - correct answer ✔✔ translated into proteins
Metabolism - correct answer ✔✔ All of the chemical reactions that occur within an organism:
maintenance
growth
reproduction
2 primary metabolic processes - correct answer ✔✔ photosynthesis and cellular respiration
Photosynthesis - correct answer ✔✔ Conversion of light energy from the sun into chemical
energy.
cellular respiration - correct answer ✔✔ the process by which cells use oxygen to produce
energy from food
Anabolic - correct answer ✔✔ build up
catabolic - correct answer ✔✔ breaking down
Matter - correct answer ✔✔ Anything that has mass and takes up space
Matter is recycled - correct answer ✔✔ Within and between ecosystems through
biogeochemical cycles
carbon cycle - correct answer ✔✔ circle of life
(updated) questions and answers
Hierarchy of Life from smallest to largest - correct answer ✔✔ 1. Cell
2. Multicellular Organism
3. Population
4. Community
5. Ecosystem
6. Biosphere
What is between cell and multicellular organism? - correct answer ✔✔ tissue and organ system
Cell - correct answer ✔✔ smallest unit of life
How many organ systems are there? - correct answer ✔✔ 11
organisms - correct answer ✔✔ individual living things
community - correct answer ✔✔ All the different populations that live together in an area
Ecosystem - correct answer ✔✔ include communities that interact through their shared physical
environment but not living
example of ecosystem - correct answer ✔✔ home, rocks, sand
,Biosphere - correct answer ✔✔ Consists of all life on Earth and all parts of the Earth in which
life exists, including land, water, and the atmosphere.
Central Dogma - correct answer ✔✔ DNA-transcription-RNA-translation-protein
Energy flow - correct answer ✔✔ 1. cellular respiration (makes ATP)
2. photosynthesis (makes glucose needed to make ATP)
3. potential vs. kinetic energy
4. thermodynamics
What determines the function of a protein? - correct answer ✔✔ shape
Nothing in life is random except what? - correct answer ✔✔ mutations and crossing over
Evolution - correct answer ✔✔ Change over time; famous people; adaptions; mutations; natural
selection (survival of the fittest)
deoxyribonucleic acid (DNA) - correct answer ✔✔ A complex molecule containing the genetic
information that makes up the chromosomes.
What makes proteins? - correct answer ✔✔ DNA
Information in DNA is copied to what? - correct answer ✔✔ RNA
Transcription - correct answer ✔✔ process of going from DNA to RNA
What carries out most activities of life? - correct answer ✔✔ Proteins
, Message obtained from RNA is what? - correct answer ✔✔ translated into proteins
Metabolism - correct answer ✔✔ All of the chemical reactions that occur within an organism:
maintenance
growth
reproduction
2 primary metabolic processes - correct answer ✔✔ photosynthesis and cellular respiration
Photosynthesis - correct answer ✔✔ Conversion of light energy from the sun into chemical
energy.
cellular respiration - correct answer ✔✔ the process by which cells use oxygen to produce
energy from food
Anabolic - correct answer ✔✔ build up
catabolic - correct answer ✔✔ breaking down
Matter - correct answer ✔✔ Anything that has mass and takes up space
Matter is recycled - correct answer ✔✔ Within and between ecosystems through
biogeochemical cycles
carbon cycle - correct answer ✔✔ circle of life
