Which type of skeleton protects a human's soft internal organs?
What will be an ideal response?
axial
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Why do vertebrates have more individual Hox genes than most invertebrates, and what is the general
significance?
What will be an ideal response?Humans do not contain the enzymes to break down ____
a. cellulose b. fructose c. glycogen d. starch e. sucrose
A possible reason why humans have fewer genes than the number anticipated by scientists is that
a. humans don’t need more than 25,000 genes to function. b. the exons used to make a specific mRNA can be rearranged to form different proteins. c. the sample size used to sequence the human genome was not big enough, so the number of genes estimated could be low. d. the number of genes will increase as scientists find out what all of the noncoding DNA actually does.
The genetic code is fairly consistent among all organisms. The term often used to describe such consistency in the code is ________
A) trans-specific B) universal C) overlapping D) exceptional E) None of the above