Many metabolic pathways are ultimately concerned with ATP; either with the generation of ATP, or with the requirement of ATP for that pathway to function. Why is ATP so important to metabolism?
A. Hydrolysis of ATP is used to drive exergonic reactions
B. Hydrolysis of the bond between adenine and ribose in ATP is commonly used to release energy that can be used to drive other cellular reactions
C. The phosphate groups of ATP are held together by unstable bonds that can be broken to release energy
D. ATP is a protein that serves as the energy currency of cells
C. The phosphate groups of ATP are held together by unstable bonds that can be broken to release energy
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Refer to the figure. Which level of structure is maintained by the disulfide bond?
A) primary B) secondary C) tertiary D) quaternary
The top priority for energy allocation in animals is ____
a. maintenance metabolism b. growth c. reproduction d. storage
e. growth of sexually dimorphic featuresBioinformatics provides database information to align proteins from novel sequences with known proteins. If a new amino acid sequence does not match an existing sequence ________.
A. it is called an paralogue; the DNA that codes the ORF does not match any other organism in the database and the function is not known B. it is called an orthologue; the DNA that codes the ORF does not match any other organism in the database and the function is not known C. it is either a conserved hypothetical protein, i.e., the DNA matches genes in the database but they have no known function, or it is a protein of unknown function; the genes are unique to that organism D. it is either a protein of unknown function, i.e., the DNA matches genes in the database but they have no known function, or it is a conserved hypothetical protein; the genes are unique to that organism
The conducting tissues of vascular plants are rigid because they contain ________ in their cell walls
Fill in the blank(s) with correct word