Some protozoa have cell structures that are formed as temporary extensions of the cell membrane, allowing the cell to detect and respond to their environment, and to catch and engulf food. These extensions are called
A. flagella.
B. spikes.
C. pseudopodia.
D. antennae.
E. cilia.
C. pseudopodia.
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How would an abnormally large oval window in a mouse affect that animal's hearing?
A) The mouse could detect noise at much lower volumes. B) The mouse could detect noise in a much broader range of frequencies. C) Hearing ability would be reduced in comparison with normal mice. D) Hearing is not affected by the size of the oval window.
The return of carbon dioxide to the atmosphere and nitrogen to the soil is due to the action of
A. viruses and plants. B. bacteria and viruses. C. fungi and bacteria. D. fungi and viruses.
The fusion of gametes of malaria-causing Plasmodium takes place ____
a. in the gut of a female mosquito b. in the liver c. in the mosquito salivary glands d. inside white blood cells e. inside red blood cells
Four of the following are true of herpes simplex 1. Which one is the exception?
a. It is a DNA virus. b. It has a latent phase in its replication cycle. c. It can remain latent in nerve cells for years. d. Activation of the latent virus causes cold sores. e. Once activated it causes a form of skin cancer.