When a pencil falls from a tabletop to the floor
A. kinetic energy is converted to potential energy.
B. potential energy is converted to kinetic energy.
C. energy is created.
D. energy is destroyed.
B. potential energy is converted to kinetic energy.
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Bacteria synthesize CDP-diacylglycerol in order to build ________, a major cell membrane phospholipid component.
A. lipopolysaccharide B. peptidoglycan C. lipid rafts D. phosphatidylethanolamine
The single-factor crosses performed by Mendel support the observation that
A. the two alleles for a given gene are distributed randomly among an individual's gametes. B. the two alleles for a given gene are found within the same gamete. C. if the recessive alleles for two different genes are on the same chromosome, they will never be found within the same gamete. D. only the dominant alleles for a given trait are found in an organism's gametes. E. if the dominant alleles for two different genes are on different chromosomes, they will never be found within the same gamete.
Cuticle, guard cells, stomata, and trichomes are all terms associated with ____
a. ground tissue b. vascular tissue c. meristem d. dermal tissue e. secondary tissue
Cold water contains more oxygen than warm water
Indicate whether the statement is true or false