Answer:
A. The two proteins are very likely related evolutionarily.
B. The differences in the sequences in many instances represent a conservative change (such as L for I).
Explanation:
A. Humans and sperm whales are vertebrates and mammals, this implies that they have a common ancestor a long time ago, which makes them evolutionary related.
B. Conservation indicates that a sequence has been maintained by natural selection. This means that protein structure is not exactly the same but is quite similar.
Options C and D, contradict the above explanation, and they make no sense because sperm whales and humans share a common ancestor (mya).
Cohesion, which means you “water is attracted to water”
Concrete is a composite, since it is composed of various elements like, sand, gravel & water. When mixed together with the proper measurements, it produce cement which is used for building construction, road concreting, etc.
Answer:
c. in large numbers on cells that secrete hormones.
Explanation:
cilia are eyelash like receptors that take in information within chemicals.