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.
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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.
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.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.
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