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a. can produce order.
b. cannot produce order.
c. never use energy.
d. are alive.
e. are driven by linear systems.
a. Maintenance of genes
b. Maintenance of similarities in evolution
c. Maintenance of functional stability of an organism
d. Ability of maintain balance
e. Generation of the bony skeleton
Darwin developed a theory of
a. Appearance of life on Earth
b. Appearance of consciousness
c. Right of aggression against the weakest
d. Evolution of species of Earth
e. History of civilizations
a. originated as cell nuclei.
b. originated from primitive symbiotic bacteria.
c. do not contain any DNA.
d. originated as viruses.
e. are destroyed by oxygen
The appearance of primordial organisms involved:
a. a chain of ordered molecular mechanisms.
b. creation by aliens.
c. synthesis of DNA.
d. formation of moulds.
e. degradation of previous life
Each type of cell:
a. generates only one tissue
b. performs specific functions
c. has different DNA
d. generates different organs
e. has a similar shape
Which of the following levels of organization is most basic?:
The second law of thermodynamics holds that:
a. only some energy can be used to generate work; a fraction is always irreversibly lost as heat.
b. all energy can be used to generate work; all heat is transformed into work.
c. no energy can be used to create order.
d. none of the free energy is transformed in heat.
e. heat energy cannot be used to produce work.
a. are only present in the heart
b. are present in the gut
c. are made of connective cells
d. are present in the liver
e. are involved in neural functions
a. A protein
b. A sugar
c. A ribonucleic acid
d. A ribosomal neutral amine
e. A rare native ancestor
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