What type of connection exists between the atoms at the point labeled 1 in the accompanying figure?
a. peptide bond
b. disulfide bond
c. hydrogen bond
d. glycoside linkage
e. phosphodiester linkage
e
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Which of the following is a feature of this organism?
1.It has a single eyespot at the end of the nerve cord.
2.It is jawless.
3.It has paired fins and scales.
4.It has waterproof skin.
Which term-definition pair is mismatched?
A. Coagulase - dissolves fibrin clots B. Capsule - antiphagocytic factor C. Leukocidins - damage white blood cells D. Fimbriae - adherence to substrate E. Hemolysins - damage red blood cells
Plato's view of species
A) included species that do not actually exist. B) recognized that each individual in a species is unique. C) did not allow for evolutionary change. D) allowed for limited evolution within species. E) was similar to the modern concept of evolution.
The NPK percentages on a package of fertilizer refer to the _____
A) percentages of manure collected from different types of animals B) relative percentages of organic and inorganic nutrients in the fertilizer C) percentages of three important mineral nutrients D) proportions of three different nitrogen sources