Dominant Structuring Factor: Habitat
What will be an ideal response?
•Costello et al. (2009) Science 326, 1694.
•8 healthy subjects, 5 male, 3 female.
•Sampled on two consecutive days in June and Sept.
•Data from up to 18 different locations.
•Pyrosequencing of 16S rRNA = 106 seqs.
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Imagine that a cell has a genetic mutation so that the primase enzyme is unable to make RNA strands
Assuming that all of the other enzymes directly involved in DNA replication are still functional in these cells, how much of the process of DNA replication would you expect to see in these cells?
a. The leading strand would be synthesized, but not the lagging strand. b. None of it at all, no part of the DNA replication process could occur. c. The DNA helix would be unwound by helicase, but no new strands will be produced at all. d. Both the leading and lagging strand would be synthesized, but pieces of discontinuous strands would not be joined together. e. DNA replication would still proceed completely, since RNA strands are not part of the final product of DNA replication.
DNA replication is called ________ because the newly replicated DNA consists of a parental strand (from the original DNA) and a newly synthesized daughter strand
Fill in the blank(s) with correct word
Which gland responds to light and is involved in daily rhythms in some animals?
A) Pineal B) Adrenal C) Thymus D) Pancreas E) Pituitary
Glycolysis involves 10 enzyme-catalyzed steps, that can be grouped into three phases: energy investment phase, cleavage phase, and the energy liberation phase.
Answer the following statement true (T) or false (F)