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1. Which of the following is not a type of viral reproduction?A. DNA virus in a lytic cycleB. DNA virus in a lysogenic cycleC. DNA virus (single-stranded) with a double-stranded DNA intermediateD. RNA virus with reverse transcription to make cDNAE. RNA virus acting as tRNA
2. In the lysogenic cycle of bacteriophage ?,A. a repressor, cI, blocks the lytic cycle.B. the bacteriophage carries DNA between bacterial cells.C. both early and late phage genes are transcribed.D. the viral genome is made into RNA, which stays in the host cell.E. many new viruses are made immediately, regardless of host health.
3. An operon isA. a molecule that can turn genes on and off.B. an inducer bound to a repressor.C. a series of regulatory sequences controlling transcription of protein-coding genes.D. any long sequence of DNA.E. a promoter, an operator, and a group of linked structural genes.
4. In DNA, 5-methylcytosineA. forms a base pair with adenine.B. is not recognized by DNA polymerase.C. is related to transcriptional silencing of genes.D. does not occur at promoters.E. is an irreversible modification of cytosine.
Create a family tree for at least three generations of your family a freiends family, or a famous family follow the genetic traits.
Arsenate is a compound that inhibits substrate-level phosphorylation. Compare the effect of this compound on an H2-oxidizing chemolithotroph, on a sulfite-oxidizing chemolithotroph, on a sulfite-oxidizing chemolithotroph, and on a chemoorganotroph..
Please answer the following questions about Endocardiography in complete sentences.
Of the fat soluble vitamins, vitamin A is the most likely to produce toxicity symptoms. What drug(s) are likely to contribute to such a toxicity?
Determine hat will happen to the distribution of estuarine freshwater organisms if the building of a dam upstream reduces the flow of freshwater into the estuary?
Write down 500- to 750-word response explaining five major structures of brain and each structure's function(s) in human body. Ensure to comprise the following brain structures.
describe the 5 steps in respiration/metabolism of glucose, address glycolysis, trasition reaction, kreb's cycle, electron transport and chemiosmosis.
Determine the Km and Vmax for an enzymatic reaction, given the data shown in the adjacent table.
what are three different cryptic organisms and what is unique about these adaptations? example to use are flatfish, leafy dragon, weedy dragon.
Why might a brightly colored dewlap on an Anolis lizard be a reliable signal of male quality?
Design an experiment to demonstrate that DNA replication is semi-conservative. List two markers that one can use to label the DNA.
Suppose that a light-sensitive cell in the eye of a particular invertebrate. The cell membrane contains cGMP-gated K+ channels.
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