Study Guide 3 Flashcards
(10 cards)
Facilitated diffusion across a membrane requires ______ and moves a substance _____ its concentration gradient
transport proteins…..down
Diffusion does not require ATP. Therefore, diffusion is
passive transport
The maximum number of individuals that the environment can hold
carrying Capacity
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
in telophase and starting to undergo cytokinesis
Which is true of DNA transcription
a strand of DNA is copied onto mRNA
The fluid model describes the plasma membrane as consisting of
diverse proteins embedded in a phospholipid bilayer
in snapdragons, heterozygous have pink flowers whereas homozygotes have red or white flowers. This is an example of :
incomplete dominance
How do cells capture the energy released by cellular respiration
they produce ATP
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
ecosystem
Protein synthesis is performed by
ribosomes