Study Guide 3 Flashcards

(10 cards)

1
Q

Facilitated diffusion across a membrane requires ______ and moves a substance _____ its concentration gradient

A

transport proteins…..down

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2
Q

Diffusion does not require ATP. Therefore, diffusion is

A

passive transport

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3
Q

The maximum number of individuals that the environment can hold

A

carrying Capacity

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4
Q

Looking into your microscope, you spot an unusual cell. instead of having a round shape, it has a narrow middle and 2 bulging ends, like a figure 8. The you realize that this cell is

A

in telophase and starting to undergo cytokinesis

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5
Q

Which is true of DNA transcription

A

a strand of DNA is copied onto mRNA

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6
Q

The fluid model describes the plasma membrane as consisting of

A

diverse proteins embedded in a phospholipid bilayer

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7
Q

in snapdragons, heterozygous have pink flowers whereas homozygotes have red or white flowers. This is an example of :

A

incomplete dominance

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8
Q

How do cells capture the energy released by cellular respiration

A

they produce ATP

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9
Q

While on a walk through a forest, you notice birds, earthworms and fungi in soil. Bases on your observation, you conclude that these organisms occupy the

A

ecosystem

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10
Q

Protein synthesis is performed by

A

ribosomes

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