In summer squash, white colour fruit (W) is dominant over yellow colour (w) and disc-shaped phenotype (D) is dominant over sphere-shaped phenotype (d). Determine the genotype of the parents gives 3/8 white, sphere, 3/8 white, Disk, 1/8 Yellow, Disk and 1/8 Yellow, Sphere?

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#Question id: 1091

#Section 3: Genetics, Cellular and Molecular Biology

Why does testosterone, a lipid-soluble signaling molecule that crosses the membranes of all cells, affect only target cells?

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#Question id: 1092

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements is true of steroid receptors?

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#Question id: 1093

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following activities would be inhibited by a drug that specifically blocks the addition of phosphate groups to proteins?

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#Question id: 1094

#Section 3: Genetics, Cellular and Molecular Biology

Not all intercellular signals require transduction. Which one of the following signals would be processed without transduction?

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#Question id: 1095

#Section 3: Genetics, Cellular and Molecular Biology

What does it mean to say that a signal is transduced?

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#Question id: 1118

#Section 3: Genetics, Cellular and Molecular Biology

What are scaffolding proteins?