If an animal cell lacked centrioles, it would not be able to
A) produce DNA.
B) metabolize sugars.
C) maintain its balance.
D) synthesize proteins.
E) undergo nuclear division.
E) undergo nuclear division.
You might also like to view...
Vitamins directly provide energy
Indicate whether the statement is true or false
The sympathetic nervous system
a. is always excitatory. b. innervates only tissues concerned with protecting the body against challenges from the outside environment. c. dominates in fight-or-fight situations. d. is part of the somatic nervous system. e. is part of the afferent division of the peripheral nervous system.
Reflexes function in
A. keeping the body from falling. B. maintaining blood CO2 levels. C. removing the body from painful stimuli. D. maintaining blood pressure. E. All of the choices are correct.
Which of the following is NOT applicable to the third line of defense?
A) This system recognizes and acts against particular pathogens or foreign substances. B) Humoral immunity is provided by antibodies in the body's fluids. C) The injection of serum containing antibodies will always provide immunity against disease. D) Immunity in this system is not restricted to the initial infection site. E) This system recognizes and mounts even stronger attacks on previously encountered pathogens.