The flexibility of the polypeptide backbone:
A. allows maximum rotation of the unbranched R groups.
B. allows resonance between trans and cis configurations.
C. is limited by the resonance between the alpha carbon and carboxyl oxygen.
D. is limited by resonance between the carboxyl oxygen and amide nitrogen.
E. is determined by balance between polar and nonpolar R groups.
D
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Abnormal epigenetic patterns of DNA ____________________ are associated with many types of cancer, and the removal of ____________________ groups can activate genes involved with cell growth and can increase genomic instability
Fill in the blank(s) with correct word
What response would correct for a drop in glomerular blood pressure?
A. stimulation of sodium secretion by the distal convoluted tubules B. inhibition of antidiuretic hormone release by the posterior pituitary gland C. inhibition of osmoreceptors in the brain, leading to decreased thirst D. angiotensin II-mediated inhibition of the adrenal cortex E. dilation of the afferent renal arterioles by angiotensin II Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about glomeruli? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What is the name of the process for removing amniotic fluid from a pregnant mother to obtain fetal cells for genetic testing?
A) amniocentesis B) polymerase chain reaction C) preimplantation genetic diagnosis D) in vitro fertilization
What are proteins?
a. long chains of glucose molecules b. long chains of fatty acids c. long chains of amino acids d. long chains of nucleotides