Search & Filtering
for which of the following would a transmission electron microscope be the best type of mircoscope to use?
a) studying the structures of a live paramecium
b) looking at the surface features of a virus
c) seeing animal tissue that is visible to the naked eye
d) viewing a cell's mitochondria in detail
essica was in the hospital for an extended period with a DiCaling difficulties? severe respiratory infection. During that period she received multiple IM injections and was discharged with orders to continue the injections daily until the doctor advised her to discontinue them. The nursing staff had been injecting the medication into the gluteal area, but this area was becoming sore from all of the prior injec- tions. What options might she use for the future to avoid pain in the area of the injections?
What is the process many autotrophs go through to convert solar energy into chemical energy
Why are enzymes considered as biochemical markers?
What is Mitochondria
Deoxyribonucleotide triphosphates (dNTPs: dATP, dTTP, dCTP and dGTP) are critical components in polymerase chain reactions (PCR) for the amplification of DNA fragments in the lab. Each dNTP is provided individually as a stock solution with a concentration 1 mM.
a) What volume of each of the four dNTP stock solutions, and what volume of water must be mixed together to prepare 200 μL of solution A, in which the concentration of each dNTP is 0.1 mM (i.e. in solution A the concentration of the four dNTPs will be 0.1 mM dATP, 0.1 mM dTTP, 0.1 mM dCTP, 0.1 mM dGTP)? (3 points)
b) 0.1 μL of solution A were added in a PCR reaction with a final volume of 20 μL. What is the concentration of each individual dNTP in the PCR reaction? Give your answer in units of nM. (3 points)
Write a song that will help you remember the stages of the cell cycle. It will need to be at least 12 lines in length and should rhyme!
When one nucleotide contains adenine what type of base is the adenine attached to on the opposite nucleotide stand
You use phase contrast microscopy to observe a wet mount of a soil sample (the fi rst picture below) and a “goo” sample (the second image below) from the ELVIS. In what ways are the potential ET microbes similar to microbes previously characterized on Earth? In what ways are they diff erent? How could you determine whether the microbes present in the soil or goo samples are phylogenetically similar or distant from known microorganisms on Earth?
In a population of caterpillars, lime-green color with black spots is dominant (L) over lime-green color with no black spots (l). Which of the following results below would be expected from a cross of two heterozygous parents for this trait?
