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INTRODUCTION TO BIOLOGY Flashcards

research (6 cards)

1
Q

the number of naturally occurring chemical elements in biochemical reactions is _______

A

92

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2
Q

in case of cloning the donor nucleus is taken from the _______

A

somatic cell

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3
Q

gymnosperms appeared in _________

A

Paleozoic era

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4
Q

communities are dynamic due to fluctuations in ________________

A

abiotic factors

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5
Q

branch connected with study of cell structure is called__________

A

cytology

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6
Q

a fossil is a _____________

A

organic relic of the past

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