Phenol red is used Part 10.1.A to visualize
a. O2 production from aerobic respiration.
b. CO2 production from aerobic respiration.
c. sugar production from aerobic respiration.
d. O2 consumption in aerobic respiration.
d
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Explain how the adaptations of cartilaginous fishes make them better predators.
What will be an ideal response?
Select the statement that describes the stability of DNA and RNA under typical cellular conditions.
A) Double-stranded DNA in the nucleus and single-stranded RNA in the cytoplasm are equally stable. B) Double-stranded DNA in the nucleus is more stable than single-stranded RNA in the cytoplasm. C) Single-stranded RNA in the cytoplasm is more stable than double-stranded DNA in the nucleus. D) Both RNA in the cytoplasm and double-stranded DNA in the nucleus can never be degraded within a cell.
A buffer system
a. makes new hydrogen ions. b. eliminates hydrogen ions already present. c. binds carbon ions. d. releases hydrogen ions. e. produce excess acid.
Rainfall in the Northern Hemisphere is greater than rainfall in the Southern Hemisphere
Indicate whether the statement is true or false