Over time, biology has explained

Plasma membranes are selectively permeable. This means that?

In wet mount preparations, is it possible to see eukaryotic flagella? Bacterial flagella? Why or why not?

What do replication and transcription have in common?

Cyclic GMP, or cGMP, acts as a signaling molecule whose effects include relaxation of smooth muscle cells in artery walls. In the penis, this signaling pathway and the resulting dilation of blood vessels leads to an erection.

Which of these choices is a sustainable practice of a postindustrial society? A. Lack of gardens B. Eradication of insects C. Fossil fuel dependence D. Efficient architecture

Tell me five different invasive species

How much energy is produced by each type of macromolecule

Why is water considered to be abiotic? because it is not part of the biosphere because it came from something living because it is dead because it never lived

Where does the majority of protein digestion take place? stomach duodenum mouth jejunum

Two plants are grown using the same light and pots. One plant is given water that has been microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks.