Why can flowers be brought "into bloom" out of season by changing the duration of light and darkness?
What will be an ideal response?
Plants measure the season by the duration of continuous darkness. Altering the light-dark pattern can trick the plants into thinking it is the appropriate time to bloom.
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Each of the following is a step in the degradation of fatty acids except A) hydration
A) hydration B) reoxidation C) thiolysis D) acylation E) oxidation
The relatively simple excretory system used by flatworms consists of tubules called ____
a. nephrons b. hepatic tubules c. metanephridia d. Malpighian tubules e. protonephridia
An action potential is an abrupt and transient change in the membrane potential of an excitable cell
1.True 2.False
Lysozyme is found in tears and saliva. It is a chemical produced by cells in your body and is considered a nonspecific immune defense. Lysozyme kills bacteria by attacking their cell walls, making the bacteria more vulnerable. Why is lysozyme considered a nonspecific response to infectious agents?
A) Lysozyme works in the same way on all types of bacteria. B) Lysozyme is found in fluids such as tears and saliva. C) Lysozyme is produced by cells in response to the presence of bacteria. D) Lysozyme destroys bacteria by digesting their cell walls.