According to cell theory, which activity is impossible?

A. Skin cells forming from sunlight

B. Liver cells forming from liver cells

C. Prokaryotes existing by themselves

D. Ribosomes being present in eukaryotes

Researchers studying the rigidity and flexibility of the cell envelope used chemotaxis to measure the ability of microbes to squeeze through tight spaces. E. coli, a gram-negative bacterium, was able to traverse narrower channels than B.

The only item that can be found on earth in three different phases of matter at standard pressure is?

What prevents the blood from flowing backwards

What happens if hypothetically all cells in our body becomes cancerous suddenly start to metastasis

Which is the best definition of genetic engineering? variation in an organism's traits by natural variation of its DNA modification of an organism's characteristics by maintaining its DNA full removal of an organism's characteristics by altering its

Explain how the process of weathering benefits living organisms.

Wath happens when a mixture of oil and water sits for 3 minutes in a beaker?

Which statement describes what is happening at high tide? a. The moon is revolving more quickly than the Earth is rotating. b. The moon's gravity is dragging water away from the equator. c. The moon's gravity is pulling ocean water into a bulge. d.

Group 1 and group 2 elements became cation when they form ionic bonds because they lose one and two electrons respectively. true or false

Staphylococcus aureus and Streptococcus salivarius bacteria have a thick PG layer and do not have an outer membrane. What color should a smear of either S. aureus or S. salivarius appear following Gram staining?