Serial dilution can be used in combination with pour plates as a method for isolating pure cultures.
Answer the following statement true (T) or false (F)
True
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Which of the following is NOT a function of slimy mucilage in microbes?
A. protects against the host's immune system B. binds nutrients C. serves as a flotation device D. prevents desiccation (drying out) E. protects against ultraviolet radiation
Amed has scaly skin due to the X-linked recessive condition icthyosis. He is ________ for the trait.
A) autosomal dominant B) heterozygous C) homozygous D) hemizygous
The offspring (F1) resulting from the cross between two red flowered plants are 3/4 red and 1/4 white. The most likely
genotype of both red flowered parental plants (P1) is ____. a. codominant recessive b. incomplete dominant c. incomplete recessive d. heterozygous e. homozygous recessive
Angiosperms have two types of xylem tubes, each composed of one cell type, either ____ or ____.
A. vessel elements; companion cells B. sieve elements; companion cells C. sieve elements; tracheids D. vessel elements; sieve elements E. vessel elements; tracheids