In a molecule of DNA, which two nitrogenous bases from two hydrogen bonds with each other? select two answers.
a) adenine
b) guanine
c) thymine
d) cytosine
e) uracil
a) adenine
c) thymine
You might also like to view...
In the following lateral radiograph of the thoracic part of the vertebral column, the arrow points to the:
A) head of a rib. B) pedicle of vertebra. C) superior articular facet. D) lamina of vertebrae. E) spinal nerve.
Which of the following factors does not affect the amount of friction generated between two dry surfaces?
A. the coefficient of friction between the two surfaces B. the surface area in contact C. the reaction force D. the normal force
Changes in the interconnections among neurons that occur in response to experience are examples of
a. synaptic plasticity. b. the amazing regenerating capacity of the brain. c. mutation. d. growth. e. none of these.
Blood moving through the aortic semilunar valve is now oxygenated blood.
a. true b. false