What the anaerobic prokaryotes use to obtain energy

The process of transpiration is responsible for the transportation of water through the xylem. On which part of a plant is negative pressure exerted during this transport? A) plant stem B) root hairs C) leaf mesophyll

What type of proteins are not synthesized in the rough endoplasmic reticulum (rer) ?

Which shows the correct order of organization from smallest to largest

What best describes a role of animals in the water cycle

Which factors can have the greatest effect on the health of a river system? A. type of soil and salinity B. nitrate levels and turbidity C. human consumption and pH D. natural disasters and tidal changes

What is algae? and where is come from?

Are mushrooms biotic or abiotic

What type of blood vessels join arteries to veins

Fossils found in a cave at krapina, croatia, show evidence of: a. cannibalism. b. all of the above. c. speaking ability. d. pottery production.

What nasty effects will this toxin have on motor pathways