Which of the following refers to particularly stable arrangements of amino acid residues in a protein that give rise to recurring patterns?
A) Primary structure
B) Secondary structure
C) Tertiary structure
D) Quaternary structure
E) None of the above
Ans: B) Secondary structure
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Bacteroids are rarely found within plant cells
Indicate whether the statement is true or false.
Which of the following strategies of sexual reproduction will result in the most genetic diversity?
A. Sexual reproduction of homothallic species B. Sexual reproduction of heterothallic species C. Sexual reproduction via arthroconidia D. Sexual reproduction via sporangiospores
In a genotype with complete penetrance, less than 100% of individuals with a particular genotype exhibit the expected phenotype
Indicate whether the statement is true or false
Syntrophy is an association between two organisms in which
a) one organism gives off antagonistic substances to prevent the growth of the other b) one of the organisms relies on the waste products of the other for energy or nutrients c) they cooperate to break down a nutrient neither could break down alone d) one benefits while the other is harmed