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.
(b) CO2 production from aerobic respiration.
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The nonequilibrium created by ____ represents a renewing source of energy
a. temperature gradients b. acidic ocean vents c. alkaline ocean vents d. radioactive decay e. protocell formation
Most cultivated bananas are triploid. How could these be generated from diploid parent banana plants?
A. nondisjunction in mitosis followed by normal fertilization B. All of these answer choices are different options for creating triploid cells. C. fertilization of a haploid egg by a haploid sperm D. fertilization of a diploid somatic cell by a haploid sperm E. nondisjunction in meiosis followed by normal fertilization
Which of the following descriptions best represents the gradual model of speciation?
A) Speciation occurs regularly as a result of the accumulation of many small changes. B) An isolated population differentiates quickly from its parent stock as it adapts to its local environment. C) Speciation occurs under unusual circumstances and therefore transitional fossils are hard to find. D) Species undergo little change over long periods interrupted only by short periods of rapid change.
Which of the following diseases causes a skin rash, hair loss, malaise, and fever?
A) gonorrhea B) syphilis C) NGU D) trichomoniasis E) genital herpes