1. What is the first line of defense against infection for the human body?

A. white blood cells

B. saliva

C. skin

D. red blood cells

BT corn is a genetically modified organism that contains a gene from bacteria that live in soil. This inserted gene allows the corn to kill the corn borer caterpillar because? A. It has RNA from the bacteria that will kill the pest. B.

What is the name for all the neurons in the central nervous system? a. axon neurons b. interneurons c. motor neurons d. sensory neurons?

Which statement directly describes the cells produced by meiosis the genetic material of the new cell is diploid the new cells are exact copies of the original cell the genetic material of the original cell is divided among the new cells the new

How did the sun form?

What is the main function of the red blood cells

How does nutrient losses compare between the natural and clear-cut watersheds

Specific brain differences implicated in schizophrenia often include a change in size of the

Ionic iron is actively transported into the mucosal cells, where it binds to the protein ferritin, a phenomenon called the mucosal iron barrier. True / False.

How do dominant and recessive traits impact genotype and phenotype?

The fat in adipose cells is broken into fatty acids. Which pathway is involved in this process?