What is the most common photoreceptor found in nature?
a. chlorophyll b
b. chlorophyll a
c. rhodopsin
d. carotene
Ans: c. rhodopsin
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Mitochondria and chloroplasts have their own DNA but use the ribosomes of the host cell
Indicate whether the statement is true or false.
The number of individuals that make up a population’s gene pool is the ____
a. population distribution b. population growth c. population birth rate d. population size e. carrying capacity
Which of the following statements is true regarding alternate fuels for energy production within the body?
A. Proteins and lipids generate less ATP energy than glucose but can enter into different cellular respiration pathways. B. Fats and oils can only enter into the citric acid cycle to generate ATP energy. C. Proteins and lipids generate substantially more ATP energy than glucose, but the body has a harder time breaking them down; therefore, glucose is more commonly used for cellular respiration. D. Proteins can enter into any phase of cellular respiration to generate ATP energy. E. Only glucose can be used for cellular respiration pathways. Proteins and fats can be used by the body, but not to generate ATP energy.
Which of the following is mismatched?
A) ergot — gangrene B) Salmonella endotoxin — lyses red blood cells C) Vibrio enterotoxin — secretion of Cl-, K+, and H2O D) aflatoxin — liver cancer E) shiga toxin — tissue destruction