A main function of the leaf petiole is a. to extend the leaf blade away from the stem so the blade can collect sufficient sunlight. b. to keep the leaf away from the secondary meristem of the stem. c. to produce pollen. d. none of the above

The disease bullous pemphigoid results in the destruction of proteins within the basement membrane that holds the epidermis and dermis together. how would this likely affect the epidermis? would the skin be an effective barrier to this disease?

Are biogenic amine neurotransmitters such as dopamine considered to be proteins

Know the symbols of the following elements and their charge

Describe the organization of white and gray matter in the spinal cord

Sandy puts a paper clip on the table and puts a magnet near the paper clip. The paper clip begins to move. What type of forces are acting on the paper clip?

1. If the sequence on a DNA molecule was CCTAG, the complementary sequence on the mRNA would be: GGAUC GGUTC GGATC UUATU

Adrienne has a pet mollusk. Lately she noticed that her pet has learned how to escape its tank. What kind of mollusk is Adrienne's pet? What makes you believe this?

What math skill do scientists use

How are producers and consumers alike a. they both need sublight to make their own food b. they both are considered heterotrophs c. they both carry out nitrogen fixation d. they both need nutrients to carry out life functions?

Rewrite the problem to this equation 25=25+5x