Radiation therapy is given by external sources only.

a. true
b. false


Answer: b. false

Biology & Microbiology

You might also like to view...

The ability of DNA-binding proteins to initiate transcription can be hindered by the presence of ________ on the promoter regions of the DNA

Fill in the blank(s) with correct word

Biology & Microbiology

There are more rods than cones but many rods may synapse with one ganglion cell while only one cone synapses with one ganglion. Therefore, when light intensity drops at night, we can expect a lit city street scene to be

A. identical to the image formed of the street in daytime. B. more black-and-white and grainy. C. intense in color but grainy. D. more black-and-white but very sharp. E. intense in color and very sharp.

Biology & Microbiology

Nodes of Ranvier is the axonal area where lacks the insulation of myelin sheets of (i) _______________. The structure contributes to efficient propagation of axon potential due to the localization of highly concentrated (ii) _______________.

a) (i) oligodendrocyte or Schwann cell, (ii) K+ channel b) (i) astrocyte (ii) voltage gated Na+ channel c) (i) astrocyte (ii) K+ channel d) (i) oligodendrocyte or Schwann cell, (ii) voltage gated Na+ channel

Biology & Microbiology

Children in the Southeastern United States play with red maple fruits (Acer rubrum). The fruits are tossed in the air and spin back to the ground, acting like small helicopters. Which part of the fruit allows for this?  

A.  The pericarp B.  The integument C.  The endosperm D.  The ovule Clarify Question What is the key concept addressed by the question? What type of thinking is required?   Gather Content What do you already know about maple fruits? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer?   Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?  

Biology & Microbiology