The observation that ________ provides evidence that all living forms are related.
A) some organisms use mosaic determinism, whereas others use regulative determinism
B) only histone genes are conserved
C) many genes and genetic pathways are conserved
D) sex determination occurs by different mechanisms in many species
C) many genes and genetic pathways are conserved
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Which gland secretes melatonin?
a. thyroid b. pancreas c. pineal d. parathyroid e. liver
In which one of the following would one expect to find motor units made up of only a few muscle cells?
A) arm muscles B) eye muscles C) chest muscles D) thigh muscles E) lower-leg muscles
When a tumor cell breaks off from the initial tumor it invades the ___ before entering the circulatory system.
a. Cytoplasm b. Signal transduction pathway c. ECM d. All of the above
Which of the following organelle is not part of the endomembrane system?
A. endoplasmic reticulum B. Golgi apparatus C. lysome D. peroxisome