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Which of thfollowing molecules armolecules of life? I.carbohydrates II.lipids anproteins III.nucleic acids


A) I only
B) I and II
C) I and III
D) II and III
E) I, II, and III

Correct Answer

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Naturis every __________ an__________in thuniversexcept what humans hav__________.


A) ion; macromolecule; genetically engineered
B) substance; macromolecule; modified
C) substance; energy; manufactured
D) animal; plant; domesticated
E) form of life; nonliving thing; cultivated

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All of thfollowing statements artruabout eukaryotes, EXCEPT


A) eukaryotes have a nucleus.
B) eukaryotes are similar to prokaryotes at a molecular level.
C) eukaryotes are sometimes unicellular organisms.
D) eukaryotes are similar to prokaryotes at a structural level.
E) eukaryotes include plants, fungi, and protists.

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Each new organisdiscovereby biologists is given a scientific name.That scientific namconsists of which of thfollowing? I.family name II.genus name III.species name


A) I only
B) II only
C) III only
D) I and II
E) II and III

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In 2005, a teaof explorers founthat an Indonesian clouforest


A) was home to unknown animals.
B) was home to unknown plants.
C) was home to species that were thought to be extinct.
D) contained swampy areas covered with moss.
E) was home to all of these.

Correct Answer

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All of thfollowing ardomains of lifEXCEPT


A) animalia.
B) bacteria.
C) archaea.
D) eukarya.
E) none of these.

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Energy sources arneedefor which of thfollowing processes? I.reproduction II.growth III.development


A) I and II
B) I and III
C) II only
D) II and III
E) I, II, and III

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In order to verify a hypothesis, scientists


A) perform experiments.
B) consider facts.
C) establish law.
D) develop theories.
E) make predictions.

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Recent expeditions into an Indonesian clouforest revealethpresencof


A) a frog the size of a pea.
B) a cat-sized rat.
C) a mouse-sized opossum.
D) plants that had plate-size flowers.
E) all of these.

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Thplural for genus is


A) genus.
B) geni.
C) genera.
D) gena.
E) genae.

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Which of thfollowing words describes a tentativexplanation to a given question?


A) law
B) theory
C) hypothesis
D) fact
E) principle

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Experimental procedures I.arways to collect data II.arways to test a hypothesis III.involvusof a model


A) I only
B) II only
C) I, II, and III
D) II and III
E) III only

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All of thfollowing elements arenclosein thbiospherEXCEPT


A) mountains.
B) waters.
C) atmosphere surrounding living organisms.
D) space.
E) earth's crust.

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All living organisms can bclassifieinto __________ categories.


A) 1
B) 2
C) 3
D) 4
E) 5

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Critical thinking implies


A) being aware of bias.
B) deciding whether ideas are based on opinion or evidence.
C) judging information before accepting it.
D) considering what you want to believe.
E) all of the these.

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ThDNA moleculis most similar functionally to a


A) pair of scissors.
B) flash light battery.
C) computer memory chip.
D) ballpoint pen.
E) craft kit of ceramic tiles.

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Which of thfollowing do NOT dependirectly on sunlight for energy? I.producers II.consumers III.decomposers


A) I only
B) II and III
C) II only
D) III only
E) I and III

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Which represents thhighest degreof certainty?


A) hypothesis
B) fact
C) principle
D) prediction
E) theory

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Which represents thlowest degreof certainty?


A) hypothesis
B) conclusion
C) fact
D) principle
E) theory

Correct Answer

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In a living system, an emergent property appears thfirst timat thlevel of the


A) cell.
B) tissue.
C) organ.
D) organ system.
E) organism.

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