Which level of organization is common to all life forms?
A. tissue
B. cell
C. colony
D. organ
E. organelle
Answer: B
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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.
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
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
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.