The light reactions use ATP as the energy source.

a. true
b. false


b. false

Biology & Microbiology

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An open circulatory system differs from a closed one in that:

A. The open circulatory system has a combination of blood vessels and large thin-walled sinuses whereas a closed circulatory system has only vessels. B. A closed circulatory system is completely encased in the body cavity whereas the open one is not. C. An open circulatory system opens into the heart whereas the closed circulatory system does not. D. An open circulatory system opens into arteries and is drained by veins whereas in a closed one it is just the reverse. E. An open circulatory system drains into the mantle cavity whereas a closed circulatory system drains into the hemolymph.

Biology & Microbiology

Burning fossil fuels releases carbon dioxide into the atmosphere. This additional carbon dioxide is causing a phenomenon called global warming. Which process "put" the carbon into our fossil fuels? Explain the process

What will be an ideal response?

Biology & Microbiology

The chloroplast is derived from a precursor organelle called a _____

Fill in the blank(s) with correct word

Biology & Microbiology

The antitoxin therapy for rattlesnake bite provides (artificial/innate/natural) immunity.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology