25 TIME REM
02:20
5
Chris drew a diagram to compare the ways in which
different organisms obtain nitrogen.
Which label belongs in the area marked X?
Consumers
Producers
O breathe in from atmosphere
O produce themselves
o eat other organisms
o absorb from soil
Х

What abo controlling alleles could kim give her child

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.