If the rate of photosynthesis stops increasing, at what concentration of CO2 does it stop increasing?
a. between 100 and 300 ppm
b. between 300 and 500 ppm
c. between 500 and 700 ppm
d. between 700 and 900 ppm
d
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During the citric acid cycle:
A. fuel molecules are completely reduced. B. ATP is synthesized by substrate level phosphorylation. C. high-energy electrons are removed from NAD+ and FADH. D. ATP is synthesized by oxidative phosphorylation.
Linked genes are ____
a. genes whose effects combine to influence a single characteristic b. different alleles of the same gene c. genes that affect two different traits and lead to a 9:3:3:1 phenotype ratio in a dihybrid cross d. genes that do not sort independently because they are physically near each other on the same chromosome e. genes on two different chromosomes
Through chemical digestion, polysaccharides are broken down into
A) fatty acids. B) monosaccharides. C) nucleotides. D) amino acids.
Bordetella pertussis causes a disease commonly called
A. cat scratch disease. B. epiglottitis. C. otitis media. D. whooping cough. E. pneumonic plague.