The echinoderms are most closely related to the ________

A) chordates
B) flatworms
C) mollusks
D) arthropods


A

Biology & Microbiology

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Manufactures a 10-12 base segment of RNA

A. DNA ligase B. Primase C. Topoisomerase D. DNA polymerase I E. DNA polymerase III

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Structural isomers

A. contain the same number of atoms/elements, but in different arrangements. B. are exemplified by glucose and galactose. C. are formed by different arrangements of the -COOH groups. D. may be referred to as the -D and -L forms. E. contain the same number of atoms/elements, but in different arrangements AND are exemplified by glucose and galactose.

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In biology, many complementary processes exist. Explain how condensation reactions are complementary to

hydrolysis reactions.

What will be an ideal response?

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The primary function of each of the following is for adhesion of a cell to another cell or the extracellular matrix except

A) desmosomes. B) hemidesmosomes. C) plaques. D) connexins. E) cadherins.

Biology & Microbiology