Which one of the following statements about diplomonads and parabasilids is false?
A. Absence of mitochondria in these groups is an ancestral trait.
B. Some members are parasitic, but some also engage in mutualism.
C. Diplomonads and parabasilids belong to different clades
D. Both groups are flagellated protists.
A. Absence of mitochondria in these groups is an ancestral trait.
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The primary structure of a protein is directly associated with ______
A. regular repeating shapes, such as beta-sheets B. the three-dimensional shape of the protein C. the linear sequence of the amino acids D. the interaction of two or more peptide chains
_______ is the ability of a pathogen to overcome the body defenses.
A. virucidence B. virulence C. transmissibility D. infectiousness
Ashante is having surgery for a blocked coronary artery. The physician is inserting a catheter with a tiny balloon to open the blocked vessel
What is this procedure called, and what else might the physician do to keep the artery open in the long term?
What domain of a transcription factor regulates transcription by interacting with other proteins?
a) DNA-unwinding domain b) DNA-binding domain c) activation domain d) repression domain