The first 25cm of the small intestine is called the
What will be an ideal response?
duodenum
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The major opposition to the Extraterrestrial Hypothesis is ...
A. not enough organic carbon molecules could have been transported to the Earth's surface by comets and asteroids. B. most organic carbon molecules, including nucleic acids and amino acids, would have been destroyed by the intense heating that occurs when large bodies fall through the Earth's atmosphere. C. not enough comets and asteroids hit the Earth to deliver organic carbon molecules to the surface. D. most of the organic carbon molecules would have fallen into the seas, helping life form in the water but not on the land. E. without oxygen in the atmosphere the organic carbons that did fall would have been rapidly reduced to inorganic carbon compounds.
The pH of the vagina is basic because that is the pH sperm prefer.
Answer the following statement true (T) or false (F)
If two copies of a gene are identical alleles, the condition is referred to as
a. homozygous. b. heterozygous. c. hybrid. d. dominant. e. codominant.
How is diabetes linked with homeostasis?
A) Diabetes results from the body having a positive-feedback response to the level of glucose in the blood. B) Diabetes results from the body responding too strongly to the level of glucose in the blood. C) Diabetes results from the body not responding with a negative feedback to the level of glucose in the blood. D) Diabetes is not linked with homeostasis.