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1. Does antisense RNA prevent translation or transcription? Explain you answer.
2. Why do housekeeping genes have to be hypomethylated and hyperactylated?
3. What is the difference between transcription factors and transcriptional activator proteins?
4. What is the difference between a cis and trans acting regulatory gene?
5. What is a response element? How do response elements coordinate the expression of eukaryotic genes?
6. How does gene regulation generate specialization?
how a mutation in a DNA exon will change the eventual mRNA sequence, and how this may or may not change the amino acid sequence.
plants use the proton electrochemical gradient across the vacuole membrane to power the accumulation of salts and sugars in the organelle. this creates a hypertonic situation.
One way methane is produced is via reduction of carbon dioxide, which serves as electron acceptor, with molecular hydrogen, which serves as electron donor.
Explain how tail length is inherited. Indicate how many gene pairs are at work and designate the genotypes of the two parents and lf the F1 offspring.
What color would the indicator be then?
What are some functions and characterisitcs that differentiate TH-1 cells from TH-2 Cells? Which cell types would they regulate and their antibody that would be produced if their response was regulated by that specific T-Helper population?
define a well-controlled experiment to determine if the rise in internal free calcium observed in the cytoplasm of unfertilized sea urchin eggs in the presence of A23187 is due to in flux of calcium from seawater. Include experimental treatments, ..
Female Drosophila flies heterozygous for each of three recessive autosomal mutations with independent phenotypic effects (thread eyes [th], hairy legs [h], and scarlet wings [st]) were testcrossed to males showing all three mutant phenotypes
Determine at least three benefits of the genetically modified bacteria described in the article. Give your opinion on what risks the genetically modified bacteria may pose to those receiving the cancer treatments.
It is the accumulation of acetyaldehyde that results in flushed face, dizziness, and light headedness responses that are associated with ethanol intoxication.
Why are the genes involved in lactose metabolism considered to be an operon? Choose one answer. a. They are under the control of the same promoter. b. They occupy adjacent locations on the E. coli chromosome. c. They are all required for normal ..
What are effects of surface area on rate of diffusion?
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