Final answer:
The correct spelling for the pronunciation key MACK-roh-SIT-ik is 'macrocytic'(D), which refers to red blood cells that are larger than usual. Additionally, practicing with spelling patterns helps with recognizing the correct spelling of sounds in different words.
Step-by-step explanation:
The word that correctly spells the pronunciation key MACK-roh-SIT-ik is D. macrocytic. This term is used in biology, specifically in the field of medicine, to describe a condition where red blood cells are larger than normal, a condition commonly referred to as macrocytosis.
To practice identifying spelling patterns, you can underline the letters in words that correspond to specific sounds. For example, underlining the letters that spell [ch] in cultural, intellectual, questions, unfortunately, naturally helps recognize the spelling patterns and sound correspondence. Similarly, identifying the final [k] sound, as in the word speck, and the [p] sound in words such as accept and escape, aids in understanding spelling conventions.