Prosthetic groups in the class of proteins known as glycoproteins are composed of:
A) carbohydrates.
B) flavin nucleotides.
C) lipids.
D) metals .
E) phosphates.
Answer: A) carbohydrates.
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When one portion of a chromosome becomes physically part of another chromosome, the type of mutation is referred to as a(n)
A) nonsense mutation. B) inversion. C) translocation. D) duplication. E) nonstop mutation.
Memory is ____
a. the storage and retrieval of sensory or motor experience b. the response to stimuli based on experiences c. the awareness of ourselves and surroundings d. voluntary e. involuntary
Answer the question using the accompanying figure. Which letter represents the littoral zone?
a. A only b. B only c. C only d. A and B e. B and C
Which of the following would be a valid characteristic of animals that may also be shared by other groups of organisms?
A) All animals are relatively large. B) Some animals are sessile their entire lives. C) All animals are multicellular. D) Some animals are photosynthetic. E) Some animals have cell walls.