How are receptor tyrosine kinases and steroid hormone receptors similar?
A. Both have a site for binding ligand.
B. Both are transmembrane proteins with a single transmembrane domain.
C. Both are activated by autophosphorylation.
D. Both have a DNA-binding domain.
Answer: A
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Place the following events of mitosis in the correct order.
I. Sister chromatids align on the metaphase plate. II. The cleavage furrow forms. III. The nuclear membrane breaks up. IV. Sister chromatids condense. V. Sister chromatids separate. A. I, II, III, IV, V B. III, IV, I, V, II C. IV, III, I, V, II D. III, II, I, IV, V E. IV, I, III, V, II
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?
What will be an ideal response?
Provide two lines of evidence that support the idea that DNA is the genetic material. What will be an ideal response?
Unwinding the double helix to separate the parental strands requires a
A. primase. B. DNA ligase. C. DNA polymerase. D. topoisomerase. E. helicase.