Which level of organization is common to all life forms?

A. tissue
B. cell
C. colony
D. organ
E. organelle


Answer: B

Biology & Microbiology

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Animal cells typically achieve cytokinesis by:  

A.  binary fission. B.  forming a cell plate across the middle of the cell. C.  forming a cleavage furrow that pinches the cell into two. D.  chromosome condensation. E.  chromosome elongation.

Biology & Microbiology

Which of the following is not an accessory pigment used to absorb photons that cannot be captured by chlorophyll?

A) beta-carotene B) a phycobilin C) lutein D) phycochlorophyll E) phycocyanin

Biology & Microbiology

The hormone that helps remove calcium from the blood and stores it in bone is

A. calcitonin. B. prolactin. C. parathyroid hormone (PTH). D. insulin. E. glucagon. Calcitonin and parathyroid

Biology & Microbiology

The process of displaying and organizing data to represent connections is known as

A) algebra. B) differential equations. C) statistics. D) graphing. E) correlation and causation.

Biology & Microbiology