Select the option below that most accurately predicts the relative rates of diffusion of these molecules (fastest to slowest):
What will be an ideal response?
Nucleotide steroid hormone ethanol sodium
steroid hormone > ethanol > nucleotide > sodium
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Which of the following would work as an antidote for someone who was bitten by a black
widow spider?
a. a drug that blocks the sodium–potassium pump b. a drug that causes potassium gates to open c. a drug that blocks acetylcholine binding sites d. a drug that stimulates the release of calcium
Your dog has flu caused by an H3N8 strain. Assume that you breathe in this strain, after you have already come in contact with an H1N1 strain. Both viruses go into the cells of your upper respiratory tract. During the viral replication cycle inside of your epithelial cells, genetic information for hemagglutinin antigen and for neuraminidase antigen are recombined. Your cells end up producing a new variant---H3N1. Predict what might happen as a result of this set of events.
A. This is not a problem because the human immune system can respond quickly to any new antigens never seen before. B. Since this new virus has antigens from a dog strain, the new strain will not be able to infect human cells. C. This novel virus will spread through the human population without much resistance. D. Only people who have never had flu before will get sick from the new H3N1 variant.
The ________ are the 23rd pair of chromosomes that carry the traits that determine gender
Fill in the blank(s) with correct word
Consider the Calvin–Benson cycle and the noncyclic photosynthetic pathway. Why is the cyclic pathway so important?
What will be an ideal response?