Atoms that have the same number of protons but differ in the number of neutrons are called ________
Fill in the blank(s) with correct word
isotopes
Biology & Microbiology
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Two genes are on the same chromosome, yet crossing over occurs between them every time meiosis
occurs. Are these genes linked or unlinked and why?
What will be an ideal response?
Biology & Microbiology
Nonspecific chemical defenses include
A. stomach hydrochloric acid. B. lactic acid and electrolytes of sweat. C. the skin's acidic pH and fatty acids. D. lysozyme. E. All of the choices are correct.
Biology & Microbiology
Which of the following ideas was most commonly held in the eighteenth century?
A. the fixity of species B. genetic change through mutation C. changes in a species through adaptation to the environment D. evolution by natural selection over time
Biology & Microbiology
Distinguish between segmentation genes and homeotic genes
What will be an ideal response?
Biology & Microbiology