When diagramming an atom, the innermost shell is filled with ________ electrons.
A. eight
B. six
C. ten
D. two
Answer: D
You might also like to view...
Amplification of a second-messenger cascade can take place at which level of a signal cascade?
A. One activated G protein can activate numerous effector enzymes. B. One activated receptor can activate numerous G proteins. C. One activated protein kinase can allosterically modulate numerous proteins. D. One active effector enzyme can catalyze numerous reactions. E. All of the choices are correct.
Lymphatic capillaries
A. filter lymph. B. concentrate lymph prior to passing it to larger lymphatic vessels. C. include layers of smooth muscle for peristalsis. D. cannot be discerned structurally from cardiovascular system capillaries. E. originate as closed-ended tubes associated with blood capillary networks.
Which muscle moves the scapula and extends the neck?
A) pectoralis major B) pectoralis minor C) rhomboideus D) serratus anterior E) trapezius
How does a neuron transport enzymes produced in the neurosoma to its axon terminals?
A. Through co-transport B. Along microtubules C. By diffusion D. Via cytoplasmic streaming