Which of the following is a cartilaginous fish?

A. shark
B. tuna
C. salmon
D. lungfish
E. catfish


Answer: A. shark

Biology & Microbiology

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Catabolic pathways _____

A) combine molecules into more energy-rich molecules B) supply energy, primarily in the form of ATP, for the cell's work C) are endergonic D) are spontaneous and do not need enzyme catalysis E) build up complex molecules such as protein from simpler compounds

Biology & Microbiology

Which evolutionarily ancient brain structure is responsible for the formation of long-term memories, particularly of places?

a. hypothalamus b. hippocampus c. amygdala d. frontal lobe e. occipital lobe

Biology & Microbiology

Which rickettsial disease can be transmitted by contaminated milk?

A) ehrlichiosis B) typhus C) Q fever D) Rocky Mountain spotted fever

Biology & Microbiology

When one gene is able to modify the effect of a second gene, the phenomenon is known as:

A. simple dominance B. epistasis C. recessiveness D. independent assortment E. segregation

Biology & Microbiology