Energy source of photosynthesis The energy source of photosynthesis is

a) oxygen.
b) sunlight.
c) carbon dioxide.
d) chlorophyll.
e) glucose.


Answer: b) sunlight.

Biology & Microbiology

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Bioremediation is:

A. the use of microorganisms to treat open wounds B. the use of microorganisms to break down harmful substances such as sewage, pesticides, petrochemicals, and explosives C. the use of bacteria to attack cancer cells D. the use of microorganisms to attack pathogenic bacteria E. none of the other options presented

Biology & Microbiology

What would happen if a transposon were to integrate into the replication origin of the bacterial genome?

A) The transposon would be replicated with the genome. B) The transposon would "jump" immediately to another location. C) The transposon would inactivate the replication origin, so no DNA replication would be possible. D) The transposon would express its genes constitutively.

Biology & Microbiology

Each of the following small molecules easily diffuses through the cell membrane EXCEPT ____

a. steroid hormones b. O2 c. H2O d. glucose e. CO2

Biology & Microbiology

Which of the following is NOT a characteristic of saturated fats?

A) They are usually solid at room temperature. B) They contain at least one double bond. C) They are found in animals. D) Their fatty acids pack tightly together. E) They are a form of stored energy.

Biology & Microbiology