List and briefly explain the organization of life, beginning at the molecular level and continuing through the biosphere
What will be an ideal response?
Molecules exist in the cell, which is the basic unit of life, and cells can be arranged to form tissues, which in turn can form organs. Organs can be arranged into organ systems that carry out a particular physiological function. Cells, tissues, organs, and organ systems make up an individual organism. A group of individuals of the same species in a given area form a population. Many populations in an ecosystem make up a community, and all living organisms and abiotic factors that support life on Earth form the biosphere.
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A quick microbiological test for potential carcinogens was developed by
A. Fleming. B. Lederberg. C. Ames. D. Crick.
The lactose repressor
A. is transcribed with the structural lac genes. B. is inactivated by binding lactose. C. requires lactose for its transcription. D. is activated by binding lactose.
As geographically isolated human subpopulations became adapted to different environments over time, different phenotypes resulted, causing the evolution of various human ________
Fill in the blank(s) with correct word
Which of the following protists is the cause of "beaver fever"?
a. Physarum polycephalum b. Plasmodium falciparum c. Giardia lamblia d. Pseudomonas aeruginosa