Intracellular parasites of animals characterized by polar tubes used to penetrate host cells are called ________
a. microsporidians
b. ascomycetes
c. glomeromycetes
d. basidiomycetes
a
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Genetic risk factors:
A. can increase the likelihood of somatic mutations. B. can increase the likelihood of germ-line mutations. C. can be influenced by the environment. D. can be heritable. E. All of the answer options are correct.
The cell formed by the union of egg and sperm during fertilization is the ________
Fill in the blank(s) with correct word
Some types of dinoflagellates (single-cell eukaryotes) show a circadian rhythm. They produce light for about 12 hours in the dark (at night) and photosynthesize for about 12 hours in the light (during the day)
Say you took some dinoflagellates at the end of their 12 hours of darkness and put them on a 24-hour light cycle. How would the cells likely respond during the first day of that cycle? A. The cells would photosynthesize for the full 24 hours. B. The cells would photosynthesize for more than 12 hours but less than the full 24 hours. C. The cells would produce light for the full 24 hours. D. The cells would not produce light or photosynthesize.
At equilibrium the allele and genotype frequencies of a population change over time
Indicate whether the statement is true or false