Enzyme activity may be affected by
a. temperature.
b. the presence of chemicals that fit into allosteric
sites.
c. feedback inhibition.
d. metabolic conditions in the cell.
e. all of these.
Answer: e
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Captive breeding (Check all that apply)
_____ is a viable strategy whenever very few individuals of a species remain in the wild. _____ has had limited success restoring California condor populations in the western U.S. because of reduced genetic heterogeneity. _____ sometimes deals with low genetic variability and inbreeding. _____ is sometimes a part of efforts to restore ecosystems to a balanced, functional state. _____ successfully increased peregrine falcon populations.
The graph below shows the rate of transport for each substance when the cells are placed in 0.10 mM solutions of A, B, and C. Based on these data and coupled with the data observed above, substance C is transported via ________.
A) active transport
B) facilitated transport
C) passive transport
D) simple diffusion
E) choices A, B, and C
Why is morphological convergence not a good explanation for vertebrate forelimbs? What will be an ideal response?
Which of the following groups of bacteria is named for its resemblance to fungi?
A) Corynebacterium B) Actinomyces C) Clostridium D) Lactobacillus E) Staphylococcus