You've been asked to stabilize a compound whose general state is altered by excess electrons. The element you would add to the compound to most effectively stabilize the compound would be? Why?
A. oxygen, because it can easily bind with the compound
B. carbon, because it is capable of neutralizing electrons
C. nitrogen, because it have five electrons on its outer shell
D. fluorine, because it is has seven electrons in its outer shell
Answer: D
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Mycobacterium tuberculosis is very difficult to stain because of the
A) presence of ribosomes in the cytoplasm. B) location of the DNA within the cell. C) large amounts of a waxy lipid present in its cell wall. D) lack of a cell wall.
Breaching is the name given to the activity of whales when they:
a. mate. b. jump out of the water. c. capture their food. d. migrate long distances. e. give birth.
Karyotype analysis
a. is a means of detecting and reducing mutagenic agents. b. is a surgical technique that separates chromosomes that have failed to segregate properly during meiosis II. c. can be used in prenatal diagnosis to detect chromosomal mutations and genetic disorders in embryos. d. replaces defective alleles with normal ones. e. is used in DNA analysis for paternity.
If you were given an insect and asked to analyze its nitrogenous waste, you would prepare to test for
A. urea. B. ammonia. C. uric acid. D. urine.