The advantage of bipedalism is
A. having the ability to move through the treetops and clinging to vines.
B. increased brain size.
C. freeing of hands to carry objects and use tools.
D. All of the answer choices are correct.
E. having the ability to run faster.
C. freeing of hands to carry objects and use tools.
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An organism has been isolated from decomposing organic matter. This organism has a cell wall but no chloroplasts. How would you classify this organism?
In a lysosomal storage disease, the hydrolases of lysosomes are released from the cells, rather than being isolated into vesicles. What is one possible mechanism for this result?
A) A proton gradient within vesicles was not generated. B) The ER was unable to produce lysosomal vesicles. C) Lysosomal enzymes were not phosphorylated in the rER. D) There is a lack of mannose-6-phosphatase activity. E) There is a mutation in all hydrolase genes that results in loss of the signal peptide.
Luminol interferes with DNA testing and, therefore, should not be applied directly to a bloodstain.
a. true b. false
Which of the following is most similar between the cell cycle process of Sulfolobus and that of bacteria?
A. The segregation of the chromosomes B. The timing of events during G1, S, and G2 C. The cytokinesis process