Light energy arrives at Earth in little packets called ________.
A. photons
B. light waves
C. rays
D. wavelengths
Answer: A
Biology & Microbiology
You might also like to view...
A person with type AB blood has which cell markers?
a. A only b. B only c. A and B d. neither A or B e. O
Biology & Microbiology
The stage of development after the morula stage is
A. implantation. B. blastula. C. fertilization. D. gastrula.
Biology & Microbiology
The hydrophilic end of a phospholipid molecule is
A. glycerol B. a fatty acid C. an amino acid D. water-insoluble
Biology & Microbiology
Enzymes are important because they
A) allow reactions to occur at body temperature. B) increase the body temperature of organisms. C) can enable organisms to evade the laws of thermodynamics. D) are structural proteins that make up bodily tissues. E) bind irreversibly to substrates.
Biology & Microbiology