To which group of fishes does the following description apply: swim bladder, bony skeleton, and paired fins supported by bony rays. 

A. Sarcopterygi
B. Actinopterygi
C. Chondrichthyes
D. Placodermi
E. Acanthodii


B. Actinopterygi

Biology & Microbiology

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Influenza is an acute human viral disease that causes brief cellular damage followed by healing and complete clearing of the virus from the body

Hepatitis C is a chronic viral disease that causes slow destruction of tissue and persistent virions that are not completely cleared. Which of these diseases is more likely to be caused by lytic virus and which is caused by a lysogenic virus? What will be an ideal response?

Biology & Microbiology

Females of various species shop around for males

that a. have the best burrows. b. offer superior nuptial gifts. c. make showy displays. d. include all of these. e. include none of these.

Biology & Microbiology

Tunde is worried that she has diabetes since a lot of her family has it. Which of the following blood findings would set her mind most at ease?

A) 400 mg/dl glucose B) 90 mg/dl glucose C) 30% Hb A1c hemoglobin D) 9% Hb A1c hemoglobin

Biology & Microbiology

Which type of skeleton contains the carbohydrate called chitin

a. exoskeleton of insects, crabs, and lobsters b. hydrostatic skeleton of earthworms c. fluid skeleton of jellyfish endoskeleton of lizards d. appendicular skeleton of humans

Biology & Microbiology