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BIO SCI 93 Study Guide - Fall 2018, Comprehensive Midterm Notes - Messenger Rna, Dna, AcidPremium


Department
Biological Sciences
Course Code
BIO SCI 93
Professor
WOOD, M., GREEN, K., BUSCIGLIO, J
Study Guide
Midterm

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University of California - Irvine
BIO SCI 93
From DNA to Organisms
Midterm Test
fall 2018
Prof. WOOD, M., GREEN, K., BUSCIGLIO, J
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Biology 93
Life Properties
All properties of life are:
Order- All organisms strive order
E.g. the golden ratio in nature
https://musingandmotion.wordpress.com/tag/order-in-nature/
Evolutionary adaptation- adaptation is necessary for an organism to
survive in its environment
E.g. giraffes and their long necks to reach leaves in tall trees
Regulation- all living forms strives stability and equilibrium in their
environment AKA homeostasis
E.g. normal body temperature is stable at 37 degrees Celsius
Energy processing- all living forms must process energy to survive
E.g. eating food to obtain a source of energy
Growth and development- a natural process which organisms undergo
E.g. child transitioning to adulthood
Response to environment- helps living forms survive under certain
conditions
E.g. certain mammals have thicker fur to survive in cold, harsh
environments
Reproduction- is necessary for species to continue to exist
E.g. One of the leading causes of animal extinction is due to a lack
of mates.
Cells
Cells are the most basic unit of an organism’s function and structure
The DNA (deoxyribonucleic acid) contains heritable information
All forms of life is based on heritable information
All life has the same genetic code
E.g. DNA (transcription)→ mRNA (translation)→ amino acids (fold protein)→
protein
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https://byjus.com/biology/cells/
Open Systems
Organisms are open systems, which means that they exchange materials and
energy from their environment/ surroundings
Exchange of energy- energy is transferred from one form to another
E.g. light energy from the sun → plants use light energy and turn it into
chemical energy
https://en.wikipedia.org/wiki/Open_system_(systems_theory)
Structure and Function
The form of all living things fits the organism’s function
E.g. the wing of a bird. The structure allows it to be able to soar through the air
The structure of organisms hints their function
https://www.wildernessawareness.org/articles/bird-wings-whats-wing
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