Proteins are described as having different levels of structure. List and distinguish between the level(s) that produce a linear shape vs. a globular shape, and explain why one of those levels can result in either a linear or globular shape.
What will be an ideal response?
Linear shapes: primary, secondary, quaternary. Primary structure is simply the sequence of covalently bonded amino acids in a peptide chain. Secondary structure is further bonding between nearby amino acids in a peptide chain, with the molecule still retaining a strand-like shape. Quaternary structure can involve separate linear polypeptide chains held together in a strand. Globular shapes: tertiary and quaternary. Tertiary structure involves bonding between distant amino acids, which causes the molecule to be wadded. Quaternary structure occurs when
more than one globular peptide chain bonds together.
You might also like to view...
Interpretation of emotion is governed by the _______, and expression of emotion is governed by the ________
A. hippocampus, hypothalamus B. hypothalamus, hippocampus C. limbic system, prefrontal cortex D. prefrontal cortex, amygdala E. endocrine system, association cortex
Excitation of the Golgi tendon organ normally causes ________.
A. relaxation of a muscle's intrafusal fibers B. contraction of a muscle's intrafusal fibers C. contraction of a muscle's extrafusal fibers D. relaxation of a muscle's extrafusal fibers
Nonrespiratory functions of the lungs include acting as "filters" for removing certain chemicals and blood clots
Indicate whether the statement is true or false.
Removes and filters excess fluid from tissues
A) Lymphatic B) Cardiovascular C) Immune D) Endocrine