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BIOL 104 EXAM 1 QUESTIONS AND ANSWERS

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BIOL 104 EXAM 1 QUESTIONS AND ANSWERS

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  • August 5, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 104
  • BIO 104
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millyphilip
BIOL 104 EXAM 1 QUESTIONS AND
ANSWERS
what is the core theme of biology - Answer -evolution

what are the seven common characteristics of all living things - Answer -exhibit order
evolutionary adaptations
regulation
process energy
respond to environment
growth, development
reproduce own kind

definition of evolution - Answer -process of change in populations of organisms that has
transformed life on earth

what are the five underlying themes in the study of life - Answer -organization,
information, energy and matter, interactions, evolution

organizational themes of life - Answer -biosphere-ecosystem-community-population-
organism- organ system- organ- tissue- cell-
organelle- molecule- atom

biosphere - Answer -total of all ecosystems on earth

ecosystem - Answer -living and non-living organisms in an area

community - Answer -living organisms in ecosystem

population - Answer -1 species among a community

organsim - Answer -one member of a population or species

organ system - Answer -group of organs that perform similar functions

organ - Answer -make up an organ system

tissue - Answer -group of cells that perform similar functions

, cell - Answer -basic structure and functional unit of life

organelle - Answer -membrane structure of cells that have specific functions and
structures

molecule - Answer -grouping of atoms chemically bonded together

atom - Answer -smallest unit of matter

what are emergent properties and how do they relate to the structure of life - Answer -
novel properties that emerge at each level. new properties help organism survive longer

correlation between structure and function - Answer -cell. lowest level of organization
that can perform all actions needed for life. every cell has a membrane that regulates
the passage of materials between the cell and its environment

what is a cell - Answer -lowest form of organization that can perform all actions needed
for life.

three common features of all cells - Answer -enclosed by a membrane, all have DNA,
contain ribosomes

Prokaryotes and their domains - Answer -singled cell organism with no nucleus or other
organelles. Bacteria and archea

Eukaryotes and their domain - Answer -cell that has a nucleus and other enclosed
organelles

difference between eukaryotic and prokaryotic cells - Answer -euk- nucleus and DNA
inside, organelles
pro- nucleoide region, no organelles

what is a genome - Answer -organisms entire set of genetic instructions

what happens to the genome when cells reprodce - Answer -doubles and splits

what is a DNA molecule - Answer -deoxyribose nucleic acid. double helix. 2 sugar
phosphate backbones. 4 nitrogenous bases

what is a nucleotide - Answer -nitrogenous base. 4. ATCG- adenine + thymine
cytosine+ guaine

what is a gene - Answer -encode information for building the molecules synthesized by
the cell

relationship between gene, DNA, proteins - Answer -gene- controls protein production

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