Some photosynthetic organisms contain chloroplasts that lack photosystem ii, yet are able to survive. the best
way to detect the lack of photosystem ii in these organisms would be
a) to determine if they have thylakoids in the chloroplasts.
b) to test for liberation of o2 in the light.
c) to test for co2 fixation in the dark.
d) to do experiments to generate an action spectrum.
e) to test for production of either sucrose or starch.

Study this image which statement best describes the rock shown check all that apply

How do you think earths interior affects what is happening on the surface? 2. how do fossils support the continental drift hypothesis? 3. how does sea- floor spreading support the hypothesis of continental drift? 4.what do scientists observe when they studied the magnetic fields of rocks on the sides of mid-ocean ridges? 5. what is a tectonic plate ? 6. explain mantle convection 7.how can movements of the continents affect earths climate? 8. what occurs during drifting?

Which of the following is not a type of epithelial cell