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Q1. Which of these statements is true regarding plasmids?
1. Plasmids, which are associated with membrane proteins, depend on bacterial chromosomal DNA for replication.
2. Plasmids are generally circular pieces of RNA.
3. Prokaryotic plasmids may carry genes that provide antibiotic resistance to the cell.
4. Prokaryotic plasmids are NOT passed from one cell to another during replication.
Q2. There are ~2000 G bands visible in a high resolution karyotype of the 3 billion base pairs in the haploid human genome. If the genome contains ~30,000 genes, about how many genes would be removed by a deletion of DNA that might be detected by karyotype analysis?
Two closely related species of wolf spiders live together in northern California. However, meadow wolf spiders are only observed in meadows and forest wolf spiders are only observed in the forest. Both species are found near forest-meadow edges.
After the microarray slides were hybridized with labeled cDNAs derived from these 5 populations of RNAs, the data were analyzed by several different comparisons.
The organism you select should be a real one however the evolutionary change in a trait which you explain can be real or fiction. Describe how the change in this trait takes place.
If succinylcholine is an analog of acetylcholine, why do you think it causes muscles to relax, and not to contract as acetylcholine does?
Discuss in detail how fungi get their nutrition. Relate this mode of nutrition to how a bed of fungal hyphae can so rapidly breakdown organic materials such as fallen leaves that are in contact with the soil.
Is Calcium important in the physical contraction of the heart.
What is the possibility that they will have a daughter that has the disease. Vitamin-D resistant rickets is a sex-linked dominant trait.
The mitochondria in them have a protein called thermogenin, which allows the flow of hydrogen ions through an inner mitochondrial membrane (bypassing the ATP synthase). Based on this and your understanding of cellular respiration, propose a mechanism..
Describe precisely what is microbial death? Why does a population of microbes not die instaneously when exposed to an antimicrobial agent
what is the ultimate source of plate tectonics? a.the sun b.global magnetic fields c.thermonuclear reactions d.gravity e. house music
Define baking soda, what is ozone hole and what are its consequences
Select two hormones Describe how each of these hormones contributes to homeostasis. Especially interesting are hormones that are antagonists relative to specific functions of the body.
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