The spinothalamic tract conducts impulses

a. from the thalamus to the cerebral cortex.
b. up the spinal cord to the thalamus.
c. down the spinal cord from the thalamus.
d. that stimulate movements in skeletal muscles.

Which element provides strength to the exoskeleton of clams and oysters

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes