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Views: 5,361

___________ move around for at least part of their life.

Topic:

Biology

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Views: 5,398

Bacteria, Archaea, and Eukarya are three ____________ .

Topic:

Biology

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Views: 5,769

Science only addresses that which is __________ .

Topic:

Biology

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Views: 5,110

Match the terms with the most suitable description.a. statement of what a hypothesis leads you to expect to seeb. type of organismc. occurs at a higher organizational level in nature, not at levels below itd. time-tested hypothesise. differential survival and reproduction among individuals of a population that vary in details of shared traitsf. testable explanationemergentpropertynatural selectionscientific theory hypothesis prediction species

Topic:

Biology

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Views: 5,461

An ion is an atom that has _______ a. the same number of electrons and protonsb. a different number of electrons and protonsc. a and b are correct

Topic:

Biology

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Views: 5,593

A (n)

_______ is dissolved in a solvent.

Topic:

Biology

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Views: 5,557

A salt releases ions other than _______ in water.

Topic:

Biology

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Views: 5,997

___ is a simple sugar (a monosaccharide).a. Glucoseb. Sucrosec. Ribosed. Chitine. both a and bf. both a and

c

Topic:

Biology

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Views: 5,728

Unlike saturated fats, the fatty acid tails of unsaturated fats incorporate one or more ____.

Topic:

Biology

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Question 10

Views: 5,756

___ consist(s) of nucleotides.a. sugarsb. DNAc. RNAd. b and c

Topic:

Biology

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Question 11

Views: 5,864

Cell membranes consist mostly of ___________.

Topic:

Biology

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Question 12

Views: 5,116

Ribosome subunits are built inside the _____________.

Topic:

Biology

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Question 13

Views: 5,997

Some sodium ions cross a cell membrane through transport proteins that first must be activated by an energy boost. This is an example of _______a. passive transportb. active transportc. facilitated diffusiond. a and

c

Topic:

Biology

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Question 14

Views: 5,111

Put the following structures in order according to an exocytic trafficking pathway.a. plasma membraneb. Golgi bodiesc. endoplasmic reticulumd. post-Golgi vesicles

Topic:

Biology

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Question 15

Views: 5,850

__________are always changed by participating in a reaction. (Choose all that are correct.)a. Enzymesb. Cofactorsc. Reactantsd. Intermediates

Topic:

Biology

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Question 16

Views: 5,863

Enzymes ________.a. are proteins, except for a few RNAsb. lower the activation energy of a reactionc. are changed by the reactions they catalyzed. a and b

Topic:

Biology

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Question 17

Views: 5,396

Which of the following statements is not correct? A metabolic pathway ____________.a. is a sequence of enzyme-mediated reactionsb. may be biosynthetic or degradativec. generates heatd. can include an electron transfer chaine. none of the above

Topic:

Biology

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Question 18

Views: 5,187

A molecule that donates electrons becomes _____________ and the one that accepts electrons becomes ________________.a. reduced; oxidizedb. reduced; reducedc. oxidized; reducedd. oxidized; oxidized

Topic:

Biology

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Question 19

Views: 5,287

Photosynthetic autotrophs use _______ from the air as a carbon source and ______ as their energy source.

Topic:

Biology

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Question 20

Views: 5,583

A C 3

plant absorbs a carbon radioisotope

(as 14 CO_{2}

). In which stable, organic compound does the labeled carbon appear first? Which compound forms first if a C4 plant absorbs the same carbon radioisotope?

Topic:

Biology

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