The pain-relieving chemicals naturally produced by the nervous system belong to a class of substances called

5. The blob operon produces enzymes that convert compound A into compound B. The operon is controlled by a regulatory gene S. Normally these enzymes are synthesized only in the absence of compound B.

People who have hemophilia would probably be most concerned about

Which type of cloud is most likely present on a gray, rainy day? cirrocumulus cirrus cumulus nimbostratus

Structural rna that links an amino acid to an anticodon

What can happen if 2 organisms occupy the same niche in an enviroment?

Which polymers provide plants with their genetic traits? A). Proteins B). Lipids C). Nucleic Acid D). Starches I attempted question once, so answer is not lipids.

Which country has the most species of butterflies

Which characteristic makes fungi similar to plants? Both fungi and plants are autotrophic organisms. Both fungi and plants have vascular tissue. Both fungi and plants have cell walls of chitin. Both fungi and plants can grow in soil.

How do plants atrract flies or possums for pollination

Suppose a bolt of lightning starts a fire in a forest. The fire sweeps through the forest and burns away accumulations of brush and deadwood. What is the most likely effect of the fire on the forest community?