The element to which oxygen (O2) binds in a hemoglobin molecule is ___________
A. nitrogen D. potassium
B. carbon E. phosphorous
C. iron
C
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In humans, hair texture is an incompletely dominant trait. Curly is the dominant genotype, wavy is
heterozygous, and straight hair is recessive. What is the probable phenotypic ratio for a cross between a man with wavy hair and a woman with curly hair? A. All wavy hair B. 3/4 wavy hair; 1/4 straight hair C. 1/2 wavy hair; 1/2 curly hair D. All curly hair E. 1/4 curly hair; 1/2 wavy hair; 1/4 straight hair
Genes that have DNA sequences similar to functional genes but that do not appear to produce any functional product are ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following is exergonic?
A) bringing amino acids together to form proteins B) cells breaking down glucose into CO2 C) plants producing glucose from CO2 D) bringing glucose molecules together to form glycogen
Formation of peptide bonds between amino acids to build a polypeptide would be called:
A. anabolism. B. phosphorylation. C. fermentation. D. exergonic. E. glycolysis.