How do water molds differ from true fungi?
a. Water molds have cell walls made up of chitin; fungi have cell walls made up of cellulose.
b. Water molds form hyphae; fungi form mycelia.
c. Water molds are haploid; fungi are diploid.
d. Water molds have a flagellated stage in their life cycle; fungi do not.
e. Water molds do not cause plant diseases; fungi do.
D
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If an E. coli strain typically has 50 loop domains, how many total base pairs might this bacteria have in its chromosome?
A. 500-2,000 B. 5,000-20,000 C. 50,000-80,000 D. 200,000-450,000 E. 5 billion
A plant of genotype CCdd is crossed to ccDD and the F1 testcrossed to ccdd. If the genes are on
different chromosomes, the percentage of ccdd offspring will be
a. 10 b. 20 c. 25 d. 30 e. 50
The masseter muscles originate on your cheekbones and insert into the posterior corners of the mandible (the lower jaw bone) underneath your ears. Will contraction of the masseter muscles open or close your jaw?
A. Close B. Open
Pr strongly absorbs light having a wavelength of 730 nm. Indicate whether the statement is true or false