Entries by davie

Your labmate’s ligation reaction didn’t work.

Your labmate’s ligation reaction didn’t work. The regular ATP had run out, so he fueled the reaction with dATP from the PCR kit. What advice can you give him? – A. Suggest trying one of the other nucleotides from the PCR kit to drive the ligation reaction. – B. Suggest adding all four nucleotides from […]

There are a number of unique features to eukaryotic pre-mRNA splicing.

There are a number of unique features to eukaryotic pre-mRNA splicing. Select all that apply. A. Introns are thought to encode specific subunits of proteins. B. Introns likely slow down gene expression. C. Introns need to be removed precisely to prevent mutations. D. There are often multiple introns in a gene.

For her science fair project, your little sister replicated

For her science fair project, your little sister replicated one of Mendel’s experiments. From a P0 pea plant with purple flowers and a pea plant with white flowers, she got 1 purple F1 hybrid (she had forgotten to water, so just one survived). From this self-fertilized F1 she got 8 F2 offspring. 7 were purple […]