One molecule of sodium nitrate (NaNO3) contains ____ atoms.
A. 6
B. 5
C. 4
D. 3
B. 5
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More carbon is present in dead organic material on Earth than in living organisms
Indicate whether the statement is true or false.
Answer the following statements true (T) or false (F)
1. Glycolysis involves 10 enzyme-catalyzed steps, that can be grouped into three phases: energy investment phase, cleavage phase, and the energy liberation phase. 2. The electron transport chain consists of a series of redox reactions in which electrons are transferred to oxygen as the final electron acceptor. 3. Oxygen is an excellent final electron acceptor because of its low electronegativity. 4. In prokaryotic cells, the electron transport system occurs in the mitochondria.
Most animals on land have __________ fertilization;
gametes meet in a female’s body.
Which of the following DNA sequences would most likely be recognized by a restriction enzyme? (Note: Only the coding strand is shown.)
A: AGTCGA B: GTCTGA C: TAAGGT D: TCGTGGA E: TAGCTA