Placoid scales are characteristic of class

a. Cephalaspidomorphi.
b. Chondrichthyes.
c. Osteichthyes.
d. Reptilia.


d

Biology & Microbiology

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If you were going to develop a new antibiotic against bacteria, you would probably need to become an expert on which of these carbohydrates?

A) glycogen B) chitin C) peptidoglycan D) cellulose E) starch

Biology & Microbiology

Based on your knowledge of basic geometric relationships, the actual surface area to volume ratio for

Figure B in Figure 4-2 is:a. 0.01.
b. 0.06.
c. 100.
d. 1,000.
e. 0.6.

Biology & Microbiology

Describe the differences among the nucleolus, nucleus, and nucleoid regions in cells

What will be an ideal response?

Biology & Microbiology

Equilibrium is sensed by ____.

A. chemoreceptors B. mechanoreceptors C. photoreceptors D. thermoreceptors E. nociceptors

Biology & Microbiology