Multicellular fungi like this mushroom are composed of threadlike structures called
1.Mycelia
2.Hyphae
3.Coenocytes
4.yeasts
2
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If your mother and father are both heterozygous for Huntington disease, which is caused by a
dominant allele, the odds of your having the disorder are
a. 1/4. b. 1/2. c. 3/4. d. 1. e. 0.
What recognizes the nonsense codon and triggers termination at the end of translation?
a. tRNAs coded for termination b. small ribosomal subunit c. protein release factors d. large ribosomal subunit
Carbon-14 is often used for carbon dating, where scientists measure the rate of carbon-14 decay to determine the age of items. Carbon-14 contains six protons and eight neutrons
During the process of carbon-14 decay, one of its eight neutrons becomes a proton and an electron is emitted. Which of the following is the best explanation of what has occurred? A) An ionic bond has formed. B) The resulting atom is now a different element because the number of protons has changed. C) The resulting atom has a more stable nucleus. D) The resulting atom is still carbon-14.
A study shows that people who eat fish three times a week live longer. Based on this study, which of the following can you not conclude?
A) There is a correlation between eating fish in the diet and the length of life. B) Eating fish causes longer life. C) Fish is a healthy choice of food. D) All of the above can be concluded based on this study.