Segments of DNA that are made during replication are joined together by ________
Fill in the blank(s) with correct word
DNA ligase
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Based on the figure above, which of the following statements correctly interprets the data?
A) As female density increases, clutch size increases. B) As female density increases, survivorship decreases. C) Clutch size decreases as female density increases.
Three scientists are using different forms of PCR for their research. Abby wants to determine changes in gene expression levels in a tissue, so she uses ______. Bob is trying to extract genetic information from a wooly mammoth fossil, so he uses ______. Chris needs to express a gene in bacteria that matches the form expressed in kidney cells, so she uses ______.
A. Quantitative RT-PCR; PCR; RT-PCR B. PCR; quantitative RT-PCR; RT-PCR C. RT-PCR; PCR; quantitative RT-PCR D. RT-PCR; quantitative RT-PCR; PCR E. Quantitative RT-PCR; RT-PCR; PCR Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about PCR techniques? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · 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?
In Mendel's garden peas, each cell in a pea plant has a total count of:
A. one allele for each gene. B. two alleles for each gene. C. one allele for each gene if it is a truebreeding parent and two if it is an F1 offspring. D. one allele for each gene if it has green seeds and two if it has yellow seeds. E. between one and four alleles for each gene.
Stimulation of a sensory receptor causes a receptor potential. Similar to action potentials, receptor potentials do not vary in magnitude, and are ‘all or nothing.’
1.True 2.False