The main by-product molecule of photosynthesis that is released into the environment is

A. carbon dioxide.
B. oxygen.
C. glucose.
D. ATP.
E. chlorophyll.


B. oxygen.

Biology & Microbiology

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An insertion sequence is distinguishable from other mobile genetic elements because

A. it encodes a transposase. B. it is composed of DNA. C. it is highly complex. D. it is smallest.

Biology & Microbiology

In primary active transport, the carrier protein that transports a substance also hydrolyzes ATP to

power the transport directly.

Indicate whether the statement is true or false.

Biology & Microbiology

The modern synthesis theory of evolution explains Darwin’s observations of variation among

offspring in terms of amino acid substitutions. __________________ Indicate whether the statement is true or false.

Biology & Microbiology

What form does the DNA of a cell have during interphase?

A. homologous chromosomes paired together B. X-shaped sister chromatids that haven't replicated C. loosely wrapped around proteins forming chromatin D. tightly coiled around proteins to form single chromosomes

Biology & Microbiology