Explain why lacOc mutations are cis-acting, whereas lacI mutations can be trans-acting
What will be an ideal response?
The operator region does not produce a diffusible product, whereas the lacI gene does.
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The first complete plant genome to be sequenced was that of ____
a. Phaseolus vulgaris (kidney bean) b. Arabidopsis thaliana (thale cress) c. Zea mays (corn) d. Capsella burse-pastoris (shepherd's purse) e. Oryza sativa (rice)
The only part of an amino acid that differs from other amino acids is its R group.
Answer the following statement true (T) or false (F)
All of the products of the light-dependent reactions
of photosynthesis listed below are used in the lightindependent reactions EXCEPT for a. O2. b. electrons. c. NADPH. d. ATP. e. hydrogen protons contributed by NADPH.
Which of the following equations is often used to show that an enzyme has formed a complex with its substrate?
a. enzyme + product ? substrate + enzyme ? enzyme-substrate complex b. enzyme + substrate ? product + enzyme ? enzyme-substrate complex c. product + enzyme ? enzyme-substrate complex ? substrate + product d. substrate + enzyme ? enzyme-substrate complex ? enzyme + product