Which has been associated with aging in humans?
A) an increase in the number of mitochondria
B) no change in the sequence of the mitochondrial genome
C) a decrease in mitochondrial function
D) an increase in mitochondrial function
C) a decrease in mitochondrial function
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Which of the following statements is true?
a. Enzymes bond to macromolecules during condensation and detach during hydrolysis. b. Enzymes may act on any macromolecule within the same class as its primary reactant. c. Each type of enzyme serves as a catalyst for only one specific macromolecule. d. Enzymes only act during dehydration synthesis, never during hydrolysis.
This diagram shows a simplified representation of bioenergetics, with arrows representing transfers of energy between various ecological components. Where do humans fall in this diagram?
a. from the sun to decomposers
b. from producers to producers
c. from decomposers to consumers
d. from consumers to the sun
Initiation of transcription by RNA polymerase involves the binding of which of the following subunits to the core enzyme?
A) delta B) sigma C) gamma D) alpha E) zeta
Explain the relationship between carrying capacity and limiting factor in regard to population growth. Relate this to
the S-shaped logistic growth curve. What will be an ideal response?