Which of the following have four-chambered hearts?

A) Fishes B) Spiders C) Birds D) Frogs


C

Biology & Microbiology

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Functions of the cytoskeleton include all of the following EXCEPT ____

a. sperm motility b. amoeboid motion c. skeletal muscle contraction d. cell division e. autophagy

Biology & Microbiology

________ is a bacterial plasmid vector.

A. Lambda B. SV40 C. pUC19 D. T4 DNA ligase

Biology & Microbiology

Which bones do not differ between males and females of similar sizes?

A) mandibles B) temporal bones C) vertebral columns D) frontal bones

Biology & Microbiology

A balanced diet should contain fruits, vegetables, and whole grains.

a. true b. false

Biology & Microbiology