30. Which substance would most likely be in the cell walls of an organism with chloroplasts and tissues?
A. peptidoglycan
C. hyphae
B. chitin
D. cellulose

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm