Answer the following questions true (T) or false (F)
1. A hypothesis must be supported by evidence.
2. An atom always contains the same number of protons as neutrons.
3. Neutrons are negatively charged.
1. FALSE
2. FALSE
3. FALSE
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Four of the five answers listed below are part of light-independent reactions. Select the exception
a. water only b. carbon dioxide c. RuBP (ribulose bisphosphate) d. PGAL (phosphoglyceraldehyde) e. PGA (phosphoglycerate)
Horses and donkeys can mate successfully to produce mules, which are always sterile. Which genetic isolating mechanism prevents horses and donkeys from becoming a single species?
A) Hybrid infertility B) Mechanical isolation C) Behavioral isolation D) Temporal isolation E) Hybrid inviability
What was the basis for the original smallpox vaccine?
a. chickenpox virus b. cowpox virus c. rabies virus d. smallpox virus e. anthrax
The citric acid cycle is a series of oxidation reactions that removes carbon atoms from substrates in the form of CO2
Once a molecule of acetyl CoA enters the citric acid cycle, how many complete cycles are required for both of the carbon atoms in its acetyl groupto be oxidized to CO2? (a) 1 (b) 2 (c) 3 (d) 4