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A PCR reaction is set up such that each cycle consists of 15 seconds at 94°C, 30 seconds at 53°C, and 1 minute at 72°C. What is taking place in the step run at 53°C?

The layer of the Sun’s atmosphere below the corona is called the ____________________; most of the Sun’s ultraviolet light is emitted from this region, in which the temperature is about 10,000 K.       

The remnant radiation from the Big Bang, which we detect using radio telescopes sensitive to microwaves (which are short-wavelength radio waves) is called the ___________________  ____________________  _____________________ (three words).

The total DNA in a human cell is about 2 meters long. How can this DNA be packed into a nucleus that is only a few micrometers in diameter?

That’s it for Bio this semester! Have a safe, enjoyable, and relaxing break 

A 40-year-old patient who has just finished chemotherapy for breast cancer tells the nurse that she is concerned about her mouth. During the assessment the nurse finds areas of the buccal mucosa that are raw and red with some bleeding, as well as other areas that have a white, cheesy coating. What do these findings indicate?

What does the term genetic equivalence mean, and what is its relevance to plant cells?

Reabsorbed water and solutes leave the tubular fluid then enter into the ______________ to be returned to the blood system.

Which statement indicates to the nurse that the 50-year-old male recently diagnosed with early stage cancer of the prostate has begun to accept his newly diagnosis?

Report the following to an appropriate number of significant figures. Remember- I am not strict about this- not the exact correct number of significant figures- just an appropriate number of significant figures.  6.3578 – [x] x 2.87 =