Plants, as well as humans, need support and protection in order to carry out life functions. Which answer choice best pairs the organelle found in plants cells with the organ system responsible for this function? A. Cell wall and muscular system
B. Cell wall and skeletal system
C. Chloroplast and skeletal system
D. Cell wall and endocrine system

Greenthe fossil record is the history of life recorded byhuman observationgod. climatologists. remains of the past.

Nerve cells are specialized to respond to stimulitrue or false?

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.