Which of the following is an important characteristic for a model organism?
A) marginally characterized
B) difficult to manipulate in the laboratory
C) prone to random changes that alter primary characteristics
D) widely studied
E) all of the above
D) widely studied
You might also like to view...
Plants' branches grow taller and branch less when light levels are low
A. true B. false
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
20) Label T: ______________________________
21) Label U: ______________________________
22) Label V: ______________________________
23) Label W: ______________________________
24) Label X: ______________________________
25) Label Y: ______________________________
26) Label Z: ______________________________
27) Label AA: ______________________________
28) Label BB: ______________________________
The plant alkaloid ricin is nontoxic inside castor beans, but becomes active when digested by an animal. The toxic form of ricin kills by
A. inactivating the animal's immune system. B. over stimulating the animal's heart rate. C. inactivating ribosomes needed for translation. D. binding to RNA polymerase. E. releasing cyanide.
A bacterium capable of causing disease in a host is a(n) ________
Fill in the blank(s) with correct word