Genes for protein receptors for LH, FSH, and TSH
a. are found in sea anemones.
b. have similar nucleotide sequences in sea
anemones and vertebrates.
c. produce structurally similar gene products in sea
anemones and vertebrates.
d. presumably arose millions of years ago in a
common ancestor of sea anemones and
vertebrates.
e. include all of these.
Answer: e
You might also like to view...
What are the nodes of Ranvier?
A. breaks in the myelination along an axon B. the population of voltage-gated sodium channels located at the axon hillock C. the point of communication between an axon terminal and a muscle cell D. branch points along an axon
What effect does smoking have on the movement of mucus in the respiratory tract?
What will be an ideal response?
The breakdown of large molecules by the
enzymes and with the addition of water is what kind of reaction?
a. oxidation b. reduction c. condensation d. hydrolysis e. decarboxylation
Cheetahs are cats native to the African continent. The population numbers have been drastically reduced in the past. Also, the allele frequencies of the cheetah populations are very similar, with little or no differences among populations. Individuals are virtually genetically identical. The loss of genetic variation in cheetahs is likely due to
1.a founder effect 2.a bottleneck effect 3.sexual selection 4.chance