Most homeotic genes encode _____; therefore, the protein products of these master genes are found in the _____
a. stop codons; ribosomes
b. transcription factors; nucleus
c. transcription factors; extracellular matrix
d. splicing proteins; endoplasmic reticulum
e. energy releasing proteins; mitochondria
ANSWER: b
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Hematocrit makes up approximately ____ percent of the total blood volume
a. 10 b. 25 c. 45 d. 50 e. 70
Which type of pathway is responsible for melanin production: a biosynthetic pathway, signal transduction pathway, or developmental pathway?
What will be an ideal response?
Mitochondrial DNA can be used to identify a species based upon
A) NADH dehydrogenase sequences. B) variation in the mitochondrial rRNA genes. C) the 648 bp DNA bar code region. D) the proportion of GC base pairs. E) the size of the mitochondrial genome.
Describe how newly synthesized mRNA passes from the membrane-bound nucleus into the cytoplasm.
What will be an ideal response?