A photosystem is:

A: a collection of hydrogen-pumping proteins

B: a collection of photosynthentic pigments arranged in a thylakoid membrane

C: a collection of photosynthetic protons arranged in a thylakoid membrane

D: found only in prokaryotic organisms

How does a plant meet the basic changes of life

Population i stars are found in what area of the milky way? a. spiral arms b. central bulge c. halo d. globular clusters

Which is an example of artificial selection? A flood drowns most of the lizards in an area. Only lizards that can swim live to reproduce. A farmer crosses two kinds of corn. He produces a new, better tasting type of corn. Two male wild turkeys fight.

A solute can dissolve in a solvent True or false?

True or False: carbon emissions lead to global warming by trapping the suns heat in the atmosphere

Population i stars are found in what area of the milky way? a. spiral arms b. central bulge c. halo d. globular clusters

An inherited trait which is present even when inherited only from one parent

All the fluid inside the cell except the nucleus is called

A nurse is caring for a client with hyperthyroidism. which laboratory test will be most beneficial in monitoring the effectiveness of drug therapy?

In X, the instructions on the DNA are copied and transcribed onto a molecule of Y RNA. Which terms correctly complete this statement? X: transcription Y: messenger X: translation Y: messenger X: transcription Y: transfer X: elongation Y: transfer