Which of the following animals has a single circuit of blood flow and two heart chambers?
A) salamander
B) salmon
C) snake
D) squirrel
Answer: B
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Complex nutrients are digested and then absorbed into the lymph or bloodstream as _____
A) polysaccharides B) polymers C) monomers D) enzymes E) peptides
Applied researchers conduct their work to:
a. solve specific practical problems. b. solve any problem they face. c. answer all questions. d. advance our collective knowledge of living systems. e. prove hypotheses.
What are some problems UV light can cause to tissue?
What will be an ideal response?
A research scientist is trying to design a new antibiotic that would break down the gelatinous capsule that surrounds each bacterial cell
What action would this antibiotic prevent in bacteria that would make it effective in preventing human illness? A) passing genes to each other B) swimming away from cells of the immune system C) attaching to body cells in order to cause infection D) reproducing using binary fission