What is the name of the sugar based polymer found in lobster exterior skeletons?
a. Chitin
b. Cellulose
c. Sucrose
d. Saccharides
a
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As the resolution of a microscope system improves, the size of the smallest object that can be seen clearly
A. is smaller. B. is not affected. C. is larger.
What is a main function of the structure in the accompanying figure labeled "A"?
a. It controls cell shape. b. It separates DNA during cell division.
c. It helps nerve cells lengthen. d. It is found in hair. e. It helps regulate DNA replication.
Which of the following statements about Type II diabetes is true?
a) It is the most prevalent form of diabetes in the US b) It is caused by too few insulin producing cells in the pancreas c) It can cause blindness d) Both a and c are true e) Both b and c are true
Density-dependent factors become more effective at limiting population growth as the size of the population ________
Fill in the blank(s) with correct word