Current evidence suggests that
A. the "Big Bang" occurred about 13 billion years ago.
B. atoms from the "Big Bang" collected into stars and planets.
C. the Earth formed about 4.6 billion years ago.
D. All of these answers are correct.
D. All of these answers are correct.
Biology & Microbiology
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What stage of cellular respiration needs ATP?
a. Glycolysis b. Citric Acid Cycle c. Oxidative Phosphorylation d. Pyruvate grooming e. Electron Transport Chain f. Chemiosomosis
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Ti plasmids and the T-DNA system can be used to transform any vascular plant
Indicate whether the statement is true or false
Biology & Microbiology
The ER is contiguous with the nuclear envelope
a. true b. false
Biology & Microbiology
Arthropods cannot grow to a very large size because they lack
A. an endoskeleton. B. mandibles. C. a head end. D. jointed appendages.
Biology & Microbiology