By what method do tardigrades and nematodes grow?
a. simple expansion
b. logistically
c. molting and ecdysis
d. They do not change size.
c. molting and ecdysis
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The primary reason surplus carbohydrates in plants are stored as starch is because:
A. they would otherwise be utilized as energy sources even if such energy was not needed at that time. B. the space they occupy as carbohydrates is needed for other macromolecules. C. energy is needed in the nucleus, and only starch is capable of being transported into the nucleus. D. leaving them as individual monosaccharides would upset the osmotic balance of the cell.
The enzyme used by HIV that allows it to make DNA from RNA is
a. DNA ligase. b. helicase. c. restriction endonuclease. d. reverse transcriptase. e. cholinesterase.
Avery, Macleod, and McCarty expanded on Griffith's experiment to prove that DNA is the hereditary molecule required for transformation. What treatment of the heat-killed SIII bacteria extract resulted in the mouse living?
A) destroying type SIII lipids and polysaccharides B) destroying type SIII DNA with DNase C) destroying type SIII RNA with RNase D) destroying type SIII proteins with protease E) the control group (null treatment), in which all components are intact
A statistical relation indicating that two or more aspects of the natural world behave in an interrelated manner: if one shows a particular value, we can predict a particular value for the other aspect.