Based on taxonomic ranks, each order is divided into ________
Fill in the blank(s) with correct word
families
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Differentiation is the process by which cells
a. mature into larger cells. b. change from one type of muscle to another. c. allows cells to change to fix injuries. d. turn on all the genomic genes. e. become specialized by turning on some genes and turning off others.
Retroviruses are unique because they are a combination of RNA and DNA.
Answer the following statement true (T) or false (F)
The gene responsible for Marfan syndrome encodes a protein associated with ____
a. heart muscle b. connective tissue c. fat tissue d. red blood cells e. nervous tissue
A group of dog breeders is trying to design and develop an ideal dog. They want a dog with a gentle disposition, black fur, long ears, short legs, and a strong sense of smell. Which of the following comments from fellow dog breeders represents the
biggest challenge they are likely to face? A) There are breeds with long ears and breeds with short legs, but no breeds with both. B) There does not seem to be any genetic variation in sense of smell. C) Artificial selection is artificial and cannot change the genetics of a breed like natural selection. D) Most dogs with black fur have long legs.