Hox genes encode:
a. proteins involved in RNA translocation.
b. ribosomal RNAs.
c. Drosophila genes.
d. transcription factors.
D
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The proposition that species change through time was proposed by ____
a. Charles Darwin only b. Jean Baptiste de Lamarck only c. Alfred Russel Wallace only d. Charles Darwin and Jean Baptiste de Lamarck e. Charles Darwin, Jean Baptiste de Lamarck, and Alfred Russel Wallace
Each steroid hormone can bind to its own steroid hormone response unit (SHRU) but not to the SHRU
associated with other steroid hormones.
Indicate whether the statement is true or false.Most of the following homeostatic responses of animals are obligate. Select the exception
a. carbonic acid buffering system regulating pH of blood b. basking in the sun c. shivering when cold d. kidneys regulating the osmotic content of blood e. closing of capillaries near the skin in the cold
The function of the nucleolus is
A. the assembly of ribosome components. B. the assembly of mRNA. C. the transport of material into and out of the nucleus. D. protein synthesis. E. photosynthesis.