What is the most probable basis for the evolution of mitochondria and chloroplasts?
a. Bacteria can be taken up by host cells.
b. Light is an energy source.
c. ATP can carry energy.
d. Oxygen is a by-product of photosynthesis.
e. Energy can be transformed from one form to another.
ANSWER: a
You might also like to view...
T cells are produced in the bone marrow but mature in the thyroid
a. True b. False
What are the effects of long term excessive alcohol consumption on the liver?
a. fat accumulation and abnormal discoloration of the liver b. scarring, hardening, and increased fat metabolism c. increased ability to degrade fats and toxins d. decreased production of ethanol and cholesterol e. scarring, hardening, and fat accumulation
The ____ are a group of fungi with hyphae that grow inside the wall of plant root cells
a. ascomycetes b. zygomycetes c. microsporidia d. basidiomycetes e. glomeromycetes
It is difficult to make an HIV vaccine because the ____
a. virus mutates rapidly b. cost is prohibitive c. virus uses DNA d. virus is a retrovirus e. components of the virus is found in high concentrations in the blood