Describe the process of alternation of generations in plants
What will be an ideal response?
The haploid gametophyte produces gametes by mitosis, and the diploid sporophyte produces spores by meiosis.
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Experiments with bacteria and __________ offered
solid evidence that deoxyribonucleic acid (DNA), not protein, is hereditary material. Fill in the blank(s) with the appropriate word(s).
If x and y have a positive relationship as shown by a scatter plot, then the value of y will
A) increase as the value of x decreases. B) increase as the value of x increases. C) decrease as the value of x increases. D) stay the same as the value of x decreases.
Ciliates often have two kinds of nuclei that have different functions
Indicate whether the statement is true or false
You wish to produce a human enzyme, protein A, by introducing its gene into bacteria. The genetically engineered bacteria make large amounts of protein A, but it is in the form of an insoluble aggregate with no enzymatic activity
Which of the following procedures might help you to obtain soluble, enzymatically active protein? Select all options that may be useful. Explain your reasoning. A. Make the bacteria synthesize protein A in smaller amounts. B. Dissolve the protein aggregate in urea, then dilute the solution and gradually remove the urea. C. Treat the insoluble aggregate with a protease. D. Make the bacteria overproduce chaperone proteins in addition to protein A. E. Heat the protein aggregate to denature all proteins, then cool the mixture.