Complex, three-dimensional, tertiary structures of proteins result from
A) ionic bonds.
B) ionic and hydrogen bonds
C) hydrogen and disulfide bonds.
D) hydrogen bonds.
E) disulfide bonds.
C
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For every six CO2 molecules fixed, how many triose phosphates are exported from the chloroplast?
A. 12 B. 10 C. 6 D. 2 E. 1
Answer the question using the accompanying figure. In the diagram of a root tip, the structure labeled "3" is the ____
a. quiescent center b. zone of cell division
c. zone of elongation d. root cap e. zone of maturation
All of the following pertain to Candida albicans, except
A. it is an opportunistic yeast. B. small numbers found in the mouth, intestines, genitalia, and skin. C. persistent moist skin influences infection. D. it has a large capsule. E. infections often arise from an endogenous source.
According to levels of organization, the heart would be categorized as in the _______.
a. Organ Level b. Organ System c. Tissue Level d. Cellular level