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Shifting the two bound tRNA from the A and P sites to the E and P sites of the ribosome involves: a. The movement of the small ribosome subunit down the mRNA chain b. The degradation of the A site on ribosome c. The synthesis of the E site on the ribosome d. The movement of the large subunit relative to the small subunit e. All of the above Gene expression can be controlled at the transcriptional level by:a. Chromatin Structure b. Activators/repressors c.assembly of the transcription initiation complex d.all of the aboveIntracellular signaling pathways are awesome! What is the one thing they can NOT do?a. relay the signal, to spread it through the cell b. integrate the signal from more than one cellular pathway c. nothing, they can communicate any cellular need d. Amplify the signal received, making the signal stronger e. distribute the signal to more than one effector protein
A scientist randomly separated a group of 100 lab rats into two groups of 50. One group was fed regular rat chow while the other was fed the same quantity of rat chow with added ddt. Both groups were housed in the same room with the same environmenta..
how this Statement applies to replication or transcription
Serial dilutions are not only for bacteria. They can be used for any reagent. Assume that in an experiment, it is necessary to add 0.1 microgram of DNA to a tube.
Explain why bacteria do not have apoptotic signaling pathways.
express "transamination" and "oxidative deamination"
What is the significance of the chloroplasts structural feature that the thylakoid membrane is located between the stroma and the thyloakoid space.
Assume you have made a collection of mutant fruit flies that aredefective in several aspects of DNA repair. You test each mutantfor its hypersensitivity to 3-DNA damaging agents.
The bacteria are allowed to grow overnight and are streaked on a plate using a technique that produces isolated colonies that are clones of the original. Samples of these colonies are then grown in four different media: nutrient broth plus ampicillin..
Describe in detail about cell wall and nucleooid of bacterial cell, their structure and composition.Explain the difference between ionic and covalent bonds.
Assume your friend Charles D., is a forty-five year old male who is newly divorced and is living by himself in a new home. He has told you about some health issues including weight loss.
When the children of various such two-child families are totaled, what proportion of children in these families will show the phenotype.
Discuss how can growth characteristics on a streak plate, broth culture or slant culture be used in the identification of a bacterial species or strain?
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