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The unwinding of two-stranded DNA helix molecules can be described by a simplified zipper model: A zipper has N links; each link comes in two states, namely closed (energy 0) and open (energy \epsil
What are 2 ways in which the wound assay is prone to mis/over interpretation when used as a model for cancer cell invasion?
Can cells move toward a low concentration gradient? If so, when does this occur?
Why do cells need to take off the primer during DNA replication?
How many spores are formed in a single vegetative bacterial cell?
Would oxygen still be required for this heat-generating proces
Design an experiment that would prove which macromolecule (DNA, RNA, or Protein) carries the information for making this lead-binding polysaccharide.
Describe the terms of location, chemical composition, and functions of the following anatomical of bacterial cells: Glycocalyx, Pilus, Flagellum.
Briefly describe the Endosymbiotic Hypothesis and the available evidence that supports the hypothesis.
Explain the difference between silent, missense and frameshift mutations.
Explain the differences in the modifications to the RNA transcript between prokaryotes and eukaryotes.
Explain the differences in transcription initiation (RNA polymerase binding to the promoter region and starting transcription) between prokaryotes and eukaryotes.
For an otherwise normal patient who has generalized (overall) skeletal muscle weakness, would each of these lung volumes be normal
A year ago, at a conference, one of your colleagues told you that she had "cured" a patient of sickle cell anemia by performing a bone marrow transplant.
An athelete pulls some muscles by forcing their knee into extension when their hip is already fully flexed...
In humans, women have XX sex chromosomes and men have XY sex chromosomes. For this question, ignore the possibility of crossing over or random mutations.
What is the difference between coli form and E. coli as pathogenic organism indicators in drinking water?
Compare and contrast phototropism & gravitropism
Assume the population of the US is 320 million people, and each person requires 2000 kilocalories per day and has a 25% efficiency at using the energy in food.
Red-green colored blindness in humans is the result of an X-linked gene. 2 parents with wild-type vision produce 2 daughters with wild-type color vision and a son that is color blind.
Assume that the binding of one molecule of epinephrine to a seven-transmembrane helix (7TM) receptor (also called the G protein-coupled receptor, or GPCR) results in the activation of 170 G? subuni
Why do victims of a heart attack have cardiac troponin in their blood?
Name one factor that can lead to cholesterol building up in the arteries to form plaque.
What is gene regulations? What is gene regulations?
Write out the sequence of electron carriers used in the electron transport chain that connects Photosystem II to Photosystem I