If you get seasick, the rotational equilibrium pathway is confused.
Answer the following statement true (T) or false (F)
False
Seasickness is a result of confusion in the gravitational equilibrium pathway.
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Prior to rRNA sequencing and the use of molecular phylogeny, Bacteria and Archaea were classified as in a single group of simple organisms called the Monera
Indicate whether the statement is true or false.
Pinworm is a nematode parasite that lives in the human rectum, and causes itching in the anal area. What best explains the itching symptom?
A. Any kind of parasite will naturally irritate the skin. B. The itching induces the person to scratch, helping to spread the parasite to another person. C. The itching is a side-effect when the immune system has successfully attacked the nematode. D. The itching is because of the mismatch between humans and the parasite’s natural host. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about nematode diseases? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Crossing over mixes up _____
a. chromosomes that are not homologous pairs b. alleles on homologous pairs c. zygotes d. gametes e. sister chromatids
Your friend Joe recently visited the doctor for steroid injections into his knee to reduce swelling due to a previous knee injury. Within a couple of days, he had an infection caused by Pseudomonas, a very pathogenic and drug resistant bacterium. Luckily, Joe went to the doctor immediately and received antibiotics. The doctor tells him that the same problem has occurred to many other people across the United States. Predict the most likely cause of this situation.
A. The needles were re-used and already contaminated before being used on the patients. B. The steroid was contaminated at the production plant, so all batches of that drug made at that plant were contaminated with the bacterium. C. The bacterium is normally on the skin of people, so can easily access the patient's blood during the needle stick. D. The staff giving the steroid injections did not use proper aseptic technique.