Structurally and functionally related groups of proteins are referred to as:
A. domains
B. relatives
C. realms
D. families
E. spheres
Answer: D
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Explain horizontal gene transfer and demonstrate how this phenomenon has complicated evolutionary studies using a diagram that illustrates phylogenetic relationships between organisms and genes
What will be an ideal response?
Countercurrent flow of water and blood increases the efficiency of gas exchange in _____
a. fishes c. birds b. amphibians d. all of these
Which cellular protein is found in desmosomes?
A) tubulin B) occludins C) dynein D) cadherins E) connexons
Let "A" be the allele for brown eyes and "a" the allele for blue eyes. Jane's mother has blue eyes and Jane's father has brown eyes. If Jane's eye are blue, what is the genotype of her father?
a) Aa b) AA c) aa d) Not enough information to answer