Describe how members of the CREB, CREB-like and AP1 families of transcription factors regulate gene transcription
Outline in detail how activation of PKA, MAPKs and CaMKII can lead to gene transcription through CREB
In: Biology
Explain how the genetic code is used to make protein.
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For the reproductive system. The menstrual cycle is controlled by hormones of what gland? describe in 10-15sentences
Please, type the answer
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Compare and contrast GPCR signaling and enzyme-coupled signaling. Focus on the general mechanism of these signaling pathways.
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Why are mycobacteria (Mycobacterium)harder to control
than other bacteria?
What makes an enzyme specific(what causes an enzyme to be specific)?
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Compare and contrast neurotransmitter receptor-mediated effects on gene transcription with steroid receptor-mediated effects on gene transcription
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1. what evolutionary advances do Cnidaria have over the sponges?
2. How easily can you distinguish between polyps and medusae? in solitary animals? in colonial animals?
3. what type of symmetry is evident? Do all members of the phylum show the same type of symmetry?
4. Are all the examples of the phylum easily recognized as belonging to the Cnidaria?
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A researcher is interested in isolating an auxotrophic mutant in
the laboratory that is unable to synthesize the amino acid
histadine. Explain how this researcher would have to use negative
selection to isolate and identify a histadine mutant.
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An individual has the chromosomes below where the dot represents the centromere: NOP.QRSTU NRQ.POSTU If a crossover event occurs between the O and P loci, what is the shortest chromosome formed? Enter your answer with no spaces between the loci and use a period as the centromere.
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Select one of the United Nations' (U.N.) Millennial
Development Goals (MDGs). Visit the website and report on the UN's
progress in achieving this goal? How will meeting this goal
positively impact the health of the world? What suggestions would
you make to help the UN achieve this goal?
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Is the lac operon a repressible or an inducible operon? What happens in the absence of lactose? What happens in the presence of lactose? Is the trp operon a repressible or an inducible operon? What happens in the absence of tryptophan? What happens in the presence of tryptophan?
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Please answer these question briefly. Dont have to write a lot. like 2-3 sentences or less as long as get answer the questions. Please answer all thanks
1) Aspects of protein translational regulation that are key for protein folding
2) Embryonic stem cells
a)Derivation (from fertilized eggs that would be thrown away normally)
3) What is “Pluripotent” and what are some main criteria for pluripotency
4) What are applications of pluripotent cells?
5) What are some problems with pluripotent cells?
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Phylum Porifera -what kind of body symmetry do they have - what are the unique structures (why are they in this phylum not another) -how do they get their food -where are they found -common examples
In: Biology
In: Biology
please be DETAILED with the answers! this is a ruminant nutrition question do not answer if unsure
In: Biology