Which postulate of natural selection is deliberately enforced by dog breeders using artificial selection?
a. Individuals in a population vary.
b. Survival and reproduction are not determined by chance.
c. Traits are passed from parent to offspring.
d. Some individuals fail to survive and reproduce.
Ans: b. Survival and reproduction are not determined by chance.
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Transfer RNA molecules
A) function to transfer ribonucleotides to RNA polymerase during transcription. B) function to transfer the correct amino acids to the ribosome during translation. C) contain codons that bind to ribosomes during translation. D) are only present in the nucleus or eukaryotes.
There are many disorders associated with the nervous system. Identify two disorders, compare each one’s effects on the nervous system, and describe their progression. What are their signs and symptoms? Which disorder seems more severe? Why?
What will be an ideal response.
__ is the abnormal blue color of the skin caused by deoxygenated hemoglobin
A. Erythema B. Cyanosis C. Jaundice D. Freckles E. Pallor
In its non-phosphorylated state, the retinablastoma protein (Rb) binds to and inhibits the activity of:
A. cyclin D B. the E2F transcription factor C. cyclin-dependent kinase D. p53