What is a limitation of using electron microscopes to view specimens? A. You cannot view transparent specimens because of the microscope’s low resolution.
B. Electron beams are dangerous and can only be used sparingly.
C. You cannot view live specimens because the necessary preparation kills cells.
D. Resolution is weak and cannot make out details of very small specimens.

Photosynthesis converts solar energy into what type of energy?

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

Ras is a g-protein that is activated when a growth factor attaches to egfr. its activation results in the replacement of a gdp molecule with a gtp molecule, thus allowing a signal transduction pathway to be activated. considering the signal pathway illustrated on this page, what is one potential outcome of a mutation in the ras gene that leads to ras protein hyperactivity. be specific.