All of the following statements are true about the clam's digestion EXCEPT
A. the clam has a single opening for the entry of food and the exit of digestive wastes.
B. small food particles are collected on the gills and moved by cilia to the mouth.
C. the clam is a filter feeder.
D. the clam is a continuous feeder.
Answer: A
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The resident microflora that can colonize the bladder and other structures of the urinary tract are:
a. Enterobacteriaceae. b. yeast. c. Propionibacterium acnes. d. Corynebacteria.
Which of the following techniques would be most appropriate to test the hypothesis that humans and chimps differ in the expression of a large set of shared genes?
A) DNA microarray analysis B) polymerase chain reactin (PCR) C) DNA sequencing D) protein-protein interaction assays
Cortisol and aldosterone are secreted by the ________
Fill in the blank(s) with correct word
Salmonella are
A) Motile B) Gram-positive rods C) Coliforms D) All of these choices are correct E) Lactose fermenters